# Ankr — Documentation

> Web3 infrastructure for builders. RPC endpoints, Advanced API, staking SDKs, tutorials.

Source: https://www.ankr.com/docs/llms.txt · Full text: https://www.ankr.com/docs/llms-full.txt · Pricing: https://www.ankr.com/docs/pricing.md

## Welcome

- [Ankr Docs](https://www.ankr.com/docs/) — Ankr is the open Web3 infrastructure layer. Build with public RPC, Premium endpoints, Advanced API, AppChains, and staking — all from one place.
- [Information Map](https://www.ankr.com/docs/info-map/) — This section aims at navigating your ship fast and easy through the vast ocean of our docs. Here you can find the sections we have and the info they contain.
- [Blockchain Node Snapshots](https://www.ankr.com/docs/node-snapshot/) — Ankr has partnered with Storj to provide the community with easy access to the blockchain state snapshots used in nodes syncing by our Infrastructure enginee.
- [Privacy Policy](https://www.ankr.com/docs/privacy/) — At Ankr, we treat our user's privacy with the utmost respect. We cherish the credit of trust you put in us. And we stand guard keeping your information secur.
- [Bitcoin Secured Infrastructure](https://www.ankr.com/docs/scaling-services-bsi/) — Bitcoin Secured Infrastructure is a supplementary framework or protocol built on top of the Bitcoin blockchain to improve its functionality, particularly in.
- [No-Code Deployer](https://www.ankr.com/docs/scaling-services-nocode-deployer/) — No-code Deployer is a Rollup-as-a-Service (RaaS) platform that offers the infrastructure and tools required to implement and manage rollup solutions, elimina.
- [Scaling Services Overview](https://www.ankr.com/docs/scaling-services-overview/) — Ankr Scaling Services is a suite of layer 2 and modularity solutions aimed at bringing Web3 to a new paradigm of blockchain performance. Our particular focus.
- [Ankr Staking](https://www.ankr.com/docs/staking-overview/) — Ankr Staking aims to bring the benefits of DeFi to the masses with Liquid Staking, Delegated Staking, DeFi, Bridge, Switch, and Parachain Crowdloan.
- [What's New](https://www.ankr.com/docs/whats-new/) — As part of our ongoing infrastructure optimization, a number of chains are transitioning from the Public to the Freemium service plan. To interact with these.

## RPC Service

- [0G](https://www.ankr.com/docs/rpc-service/chains/chains-api/0g/) — 0G Chain is a highly scalable, AI-optimized L1 blockchain designed to meet the needs of data-heavy applications. 30 methods on Ankr RPC with a free demo key.
- [Allora](https://www.ankr.com/docs/rpc-service/chains/chains-api/allora/) — The Allora Network is an advanced protocol that leverages decentralized AI and machine learning (ML) to generate… Available on Ankr RPC with a free demo key.
- [Aptos](https://www.ankr.com/docs/rpc-service/chains/chains-api/aptos/) — The Aptos blockchain, designed with scalability, safety, reliability, and upgradability as key principles, to… Available on Ankr RPC with a free demo key.
- [Arbitrum Nova](https://www.ankr.com/docs/rpc-service/chains/chains-api/arbitrum-nova/) — Arbitrum Nova offers an ultra-low transaction costs with high security. 27 methods on Ankr RPC with a free demo key.
- [Arbitrum](https://www.ankr.com/docs/rpc-service/chains/chains-api/arbitrum/) — Arbitrum is designed to be as compatible and consistent with Ethereum as possible, from its high-level RPCs to… 30 methods on Ankr RPC with a free demo key.
- [Atleta](https://www.ankr.com/docs/rpc-service/chains/chains-api/atleta/) — Atleta is a modular, multi-layer, EVM-compatible, smart contract platform with native cross-chain… 29 methods on Ankr RPC with a free demo key.
- [Avail](https://www.ankr.com/docs/rpc-service/chains/chains-api/avail/) — Avail is a Web3 infrastructure layer that allows modular execution layers to scale and interoperate in a… Available on Ankr RPC with a free demo key.
- [Avalanche](https://www.ankr.com/docs/rpc-service/chains/chains-api/avalanche/) — Avalanche is an ecosystem made up of three core Blockchains optimized for specific tasks within the network. Available on Ankr RPC with a free demo key.
- [B2 Network](https://www.ankr.com/docs/rpc-service/chains/chains-api/b2-network/) — B2 Network — The B² Network is an advanced Layer-2 solution designed to enhance transaction speed, reduce costs, and broaden… 27 methods on Ankr RPC with a fre…
- [Base](https://www.ankr.com/docs/rpc-service/chains/chains-api/base/) — Base is a secure, low-cost, developer-friendly Ethereum L2 built to bring the next billion users to web3. 33 methods on Ankr RPC with a free demo key.
- [Bitlayer](https://www.ankr.com/docs/rpc-service/chains/chains-api/bitlayer/) — Bitlayer is the first Bitcoin security-equivalent layer 2 based on BitVM. 31 methods on Ankr RPC with a free demo key.
- [Blast](https://www.ankr.com/docs/rpc-service/chains/chains-api/blast/) — Blast is the only Ethereum L2 with native yield for ETH and stablecoins. 31 methods on Ankr RPC with a free demo key.
- [BNB Smart Chain](https://www.ankr.com/docs/rpc-service/chains/chains-api/bnb-smart-chain/) — BNB Smart Chain is an innovative solution to bring programmability and interoperability to Beacon Chain. 28 methods on Ankr RPC with a free demo key.
- [Botanix](https://www.ankr.com/docs/rpc-service/chains/chains-api/botanix/) — Botanix is a decentralized Turing-complete Layer 2 EVM built on the native currency of bitcoin. 29 methods on Ankr RPC with a free demo key.
- [Bitcoin](https://www.ankr.com/docs/rpc-service/chains/chains-api/btc/) — Bitcoin API provides the means for communication with the Bitcoin’s public ledger. Available on Ankr RPC with a free demo key.
- [Celo](https://www.ankr.com/docs/rpc-service/chains/chains-api/celo/) — Celo is a mobile-first blockchain designed to make decentralized financial (DeFi) tools and services accessible… 24 methods on Ankr RPC with a free demo key.
- [Chiliz](https://www.ankr.com/docs/rpc-service/chains/chains-api/chiliz/) — Chiliz is an EVM-compatible Layer-1 blockchain built to serve as the foundation for an ever-growing ecosystem of… 28 methods on Ankr RPC with a free demo key.
- [Core](https://www.ankr.com/docs/rpc-service/chains/chains-api/core/) — Core is a layer 1 blockchain built around a unique consensus mechanism called "Satoshi Plus". 28 methods on Ankr RPC with a free demo key.
- [Corn](https://www.ankr.com/docs/rpc-service/chains/chains-api/corn/) — Corn is an Ethereum Layer 2 network that offers a rich, Bitcoin-centric ecosystem powered by cutting-edge… 27 methods on Ankr RPC with a free demo key.
- [Electroneum](https://www.ankr.com/docs/rpc-service/chains/chains-api/electroneum/) — Electroneum is an IBFT-based blockchain that operates with known validators, ensuring a high level of trust and… 30 methods on Ankr RPC with a free demo key.
- [Ethereum Beacon](https://www.ankr.com/docs/rpc-service/chains/chains-api/eth-beacon/) — Ethereum Beacon — The Beacon Chain is a consensus layer that introduced a proof-of-stake to Ethereum. Available on Ankr RPC with a free demo key.
- [Ethereum](https://www.ankr.com/docs/rpc-service/chains/chains-api/ethereum/) — In order for your Web3 application to interact with the Ethereum blockchain — either by reading blockchain data… 32 methods on Ankr RPC with a free demo key.
- [Etherlink](https://www.ankr.com/docs/rpc-service/chains/chains-api/etherlink/) — Etherlink is an EVM-compatible, non-custodial Layer 2 blockchain powered by Tezos Smart Rollup technology. 27 methods on Ankr RPC with a free demo key.
- [Fantom](https://www.ankr.com/docs/rpc-service/chains/chains-api/fantom/) — Fantom is a secure platform to build DApps. 28 methods on Ankr RPC with a free demo key.
- [Filecoin](https://www.ankr.com/docs/rpc-service/chains/chains-api/filecoin/) — Filecoin is a peer-to-peer network that stores files, with built-in economic incentives and cryptography to… 21 methods on Ankr RPC with a free demo key.
- [Flare](https://www.ankr.com/docs/rpc-service/chains/chains-api/flare/) — Flare is the blockchain for data. Available on Ankr RPC with a free demo key.
- [Fuel](https://www.ankr.com/docs/rpc-service/chains/chains-api/fuel/) — Fuel is an operating system specifically designed for Ethereum Rollups, providing the necessary tools and… 13 methods on Ankr RPC with a free demo key.
- [Gnosis Beacon](https://www.ankr.com/docs/rpc-service/chains/chains-api/gnosis-beacon/) — Gnosis Beacon — The Beacon Chain is a consensus layer that introduced a proof-of-stake to Ethereum. Available on Ankr RPC with a free demo key.
- [Gnosis](https://www.ankr.com/docs/rpc-service/chains/chains-api/gnosis/) — Gnosis (formerly the xDai Chain) provides stability, scalability, and an extendable beacon chain framework. 28 methods on Ankr RPC with a free demo key.
- [GOAT](https://www.ankr.com/docs/rpc-service/chains/chains-api/goat/) — GOAT Network is a Layer 2 blockchain solution designed to enhance Bitcoin's scalability, transaction speed, and… 28 methods on Ankr RPC with a free demo key.
- [Gravity](https://www.ankr.com/docs/rpc-service/chains/chains-api/gravity/) — Gravity is a Layer 1 blockchain designed for mass adoption and an omnichain future. 30 methods on Ankr RPC with a free demo key.
- [Harmony](https://www.ankr.com/docs/rpc-service/chains/chains-api/harmony/) — Harmony is a powerful EVM-compatible blockchain with sharding and staking features. 23 methods on Ankr RPC with a free demo key.
- [Huobi ECO Chain](https://www.ankr.com/docs/rpc-service/chains/chains-api/heco/) — Huobi ECO Chain (HECO) is a decentralized, high-efficiency and energy-saving public chain. 28 methods on Ankr RPC with a free demo key.
- [Horizen EON](https://www.ankr.com/docs/rpc-service/chains/chains-api/horizen-eon/) — Horizen EON — EON is Horizen's Ethereum VM (Virtual Machine). 28 methods on Ankr RPC with a free demo key.
- [Iota EVM](https://www.ankr.com/docs/rpc-service/chains/chains-api/iota-evm/) — Iota EVM is a Layer 2 solution that operates on top of the Iota Mainnet. 27 methods on Ankr RPC with a free demo key.
- [IOTA](https://www.ankr.com/docs/rpc-service/chains/chains-api/iota/) — IOTA is a Move-based protocol that provides a decentralized, scalable platform for digital asset management and… 52 methods on Ankr RPC with a free demo key.
- [IoTeX](https://www.ankr.com/docs/rpc-service/chains/chains-api/iotex/) — IoTeX is an EVM-compatible platform with a vision of the Internet of Trusted Things. 21 methods on Ankr RPC with a free demo key.
- [Kaia](https://www.ankr.com/docs/rpc-service/chains/chains-api/kaia/) — Kaia is an EVM-compatible Layer 1 public blockchain designed to bring Web3 services to millions of users across… 27 methods on Ankr RPC with a free demo key.
- [Kava](https://www.ankr.com/docs/rpc-service/chains/chains-api/kava/) — The Kava Network is the Layer-1 blockchain that combines the speed and scalability of the Cosmos SDK with the… 29 methods on Ankr RPC with a free demo key.
- [Kinto](https://www.ankr.com/docs/rpc-service/chains/chains-api/kinto/) — Kinto is an L2 focused on providing safe access to on-chain finance. 27 methods on Ankr RPC with a free demo key.
- [Kite AI](https://www.ankr.com/docs/rpc-service/chains/chains-api/kite/) — Kite AI is the first AI payment blockchain, providing foundational infrastructure that empowers autonomous… 31 methods on Ankr RPC with a free demo key.
- [Kusama](https://www.ankr.com/docs/rpc-service/chains/chains-api/kusama/) — Kusama is an early release of Polkadot: a scalable, multichain network for radical innovation. Available on Ankr RPC with a free demo key.
- [Linea](https://www.ankr.com/docs/rpc-service/chains/chains-api/linea/) — Linea is a network that scales the experience of Ethereum. 28 methods on Ankr RPC with a free demo key.
- [Mantle](https://www.ankr.com/docs/rpc-service/chains/chains-api/mantle/) — Mantle is a high-performance Ethereum layer-2 network built with modular architecture delivering low fees and… 32 methods on Ankr RPC with a free demo key.
- [Matchain](https://www.ankr.com/docs/rpc-service/chains/chains-api/matchain/) — Matchain is a decentralized AI blockchain platform dedicated to providing comprehensive digital identity… 27 methods on Ankr RPC with a free demo key.
- [Metis](https://www.ankr.com/docs/rpc-service/chains/chains-api/metis/) — Metis is an Ethereum Layer 2 Rollup platform that offers simple and fast smart contract deployment within the… 29 methods on Ankr RPC with a free demo key.
- [Midnight](https://www.ankr.com/docs/rpc-service/chains/chains-api/midnight/) — Midnight is a data protection-focused sidechain of Cardano, designed to support confidential smart contracts and… 60 methods on Ankr RPC with a free demo key.
- [Monad](https://www.ankr.com/docs/rpc-service/chains/chains-api/monad/) — Monad is an Ethereum-compatible Layer-1 blockchain with 10,000 tps of throughput, 500ms block frequency, and 1s… 22 methods on Ankr RPC with a free demo key.
- [Moonbeam](https://www.ankr.com/docs/rpc-service/chains/chains-api/moonbeam/) — Moonbeam is the most Ethereum compatible smart-contract parachain in the Polkadot ecosystem. 29 methods on Ankr RPC with a free demo key.
- [Movement](https://www.ankr.com/docs/rpc-service/chains/chains-api/movement/) — Movement Mainnet is a general-purpose Layer 2 built by Movement Labs to scale Ethereum applications and… Available on Ankr RPC with a free demo key.
- [NEAR](https://www.ankr.com/docs/rpc-service/chains/chains-api/near/) — NEAR is a user-friendly and carbon-neutral blockchain, built from the ground up to be performant, secure, and… Available on Ankr RPC with a free demo key.
- [Nervos CKB](https://www.ankr.com/docs/rpc-service/chains/chains-api/nervos_ckb/) — Nervos CKB (Common Knowledge Base) is the Layer 1, proof-of-work blockchain of the Nervos ecosystem. 16 methods on Ankr RPC with a free demo key.
- [Neura](https://www.ankr.com/docs/rpc-service/chains/chains-api/neura/) — Neura is a high-performance, EVM-compatible Layer 1 blockchain purpose-built for real-time decentralized… 29 methods on Ankr RPC with a free demo key.
- [Optimism](https://www.ankr.com/docs/rpc-service/chains/chains-api/optimism/) — Optimism is a fast, stable, and scalable L2 blockchain built by Ethereum developers, for Ethereum developers. 34 methods on Ankr RPC with a free demo key.
- [Polkadot](https://www.ankr.com/docs/rpc-service/chains/chains-api/polkadot/) — Polkadot is the first fully-sharded blockchain. Available on Ankr RPC with a free demo key.
- [Polygon](https://www.ankr.com/docs/rpc-service/chains/chains-api/polygon/) — Polygon is a scaling solution for public blockchains. 29 methods on Ankr RPC with a free demo key.
- [Rollux](https://www.ankr.com/docs/rpc-service/chains/chains-api/rollux/) — Rollux is a suite of rollup-based Layer 2 solutions designed to enable EVM users with near-instant low-cost… 32 methods on Ankr RPC with a free demo key.
- [Scroll](https://www.ankr.com/docs/rpc-service/chains/chains-api/scroll/) — Scroll is a zkEVM-based zkRollup on Ethereum that enables native compatibility for existing Ethereum… 28 methods on Ankr RPC with a free demo key.
- [Secret Network](https://www.ankr.com/docs/rpc-service/chains/chains-api/secret-network/) — Secret Network is the first blockchain with customizable privacy. Available on Ankr RPC with a free demo key.
- [Sei](https://www.ankr.com/docs/rpc-service/chains/chains-api/sei/) — Sei is a general purpose, open-source Layer 1 blockchain specialized for the exchange of digital assets. 21 methods on Ankr RPC with a free demo key.
- [Solana](https://www.ankr.com/docs/rpc-service/chains/chains-api/solana/) — Solana is a decentralized blockchain built to enable scalable, user-friendly apps for the world. 50 methods on Ankr RPC with a free demo key.
- [Somnia](https://www.ankr.com/docs/rpc-service/chains/chains-api/somnia/) — Somnia is a high-performance, cost-efficient EVM-compatible Layer 1 blockchain capable of processing over… 23 methods on Ankr RPC with a free demo key.
- [Sonic](https://www.ankr.com/docs/rpc-service/chains/chains-api/sonic/) — Sonic is an EVM-compatible Layer 1 blockchain designed to deliver high-speed, low-latency transactions, aiming… 28 methods on Ankr RPC with a free demo key.
- [Stellar](https://www.ankr.com/docs/rpc-service/chains/chains-api/stellar/) — Stellar is a layer-1 open-source, decentralized, peer-to-peer blockchain network that provides a framework for… Available on Ankr RPC with a free demo key.
- [Story](https://www.ankr.com/docs/rpc-service/chains/chains-api/story/) — Story Network is a purpose-built layer 1 blockchain achieving the best of EVM and Cosmos SDK. 28 methods on Ankr RPC with a free demo key.
- [Sui GraphQL](https://www.ankr.com/docs/rpc-service/chains/chains-api/sui/graphql/) — Sui GraphQL API is available on Web3 API platform.
- [Sui gRPC](https://www.ankr.com/docs/rpc-service/chains/chains-api/sui/grpc/) — Sui gRPC API is available on Web3 API platform.
- [Sui](https://www.ankr.com/docs/rpc-service/chains/chains-api/sui/) — Sui API on Ankr Web3 platform: three transports (JSON-RPC, gRPC, GraphQL), public + Premium tiers.
- [Sui JSON-RPC *(deprecated)*](https://www.ankr.com/docs/rpc-service/chains/chains-api/sui/json-rpc/) — Sui JSON-RPC API on Ankr: full method coverage, public and Premium endpoints, multi-region routing.
- [Swell](https://www.ankr.com/docs/rpc-service/chains/chains-api/swell/) — Swell is a non-custodial staking protocol with a mission to deliver the world’s best liquid staking and… 28 methods on Ankr RPC with a free demo key.
- [Syscoin](https://www.ankr.com/docs/rpc-service/chains/chains-api/syscoin/) — Syscoin is a Proof-of-Work blockchain solution merge-mined with Bitcoin. 28 methods on Ankr RPC with a free demo key.
- [TAC](https://www.ankr.com/docs/rpc-service/chains/chains-api/tac/) — TAC (Tokenized Asset Chain) is a network extension for TON (The Open Network) that enhances its compatibility… 28 methods on Ankr RPC with a free demo key.
- [Taiko](https://www.ankr.com/docs/rpc-service/chains/chains-api/taiko/) — Taiko is as a fully open source, permissionless, Ethereum-equivalent ZK-Rollup. 31 methods on Ankr RPC with a free demo key.
- [Telos](https://www.ankr.com/docs/rpc-service/chains/chains-api/telos/) — Telos EVM integrates the Telos blockchain's high performance with Ethereum's development environment. 31 methods on Ankr RPC with a free demo key.
- [Tenet](https://www.ankr.com/docs/rpc-service/chains/chains-api/tenet/) — Tenet is an EVM-compatible Layer-1 bringing liquidity and yield opportunities to LSDs by using them as… 28 methods on Ankr RPC with a free demo key.
- [TON](https://www.ankr.com/docs/rpc-service/chains/chains-api/ton/) — The Open Network (TON) is a decentralized and open internet platform made up of several components. 30 methods on Ankr RPC with a free demo key.
- [TRON](https://www.ankr.com/docs/rpc-service/chains/chains-api/tron/) — TRON is an open source public blockchain platform that supports smart contracts. 26 methods on Ankr RPC with a free demo key.
- [Xai](https://www.ankr.com/docs/rpc-service/chains/chains-api/xai/) — Xai operates as an Arbitrum Orbit chain, harnessing Anytrust technology to achieve maximum speed and minimal… 27 methods on Ankr RPC with a free demo key.
- [XDC Network](https://www.ankr.com/docs/rpc-service/chains/chains-api/xdc/) — The XDC Network is a global, open-source, delegated proof of stake consensus network (XDPoS), with near-zero gas… 28 methods on Ankr RPC with a free demo key.
- [X Layer](https://www.ankr.com/docs/rpc-service/chains/chains-api/xlayer/) — X Layer is a decentralized Ethereum Layer 2 network that offers a secure and user-friendly blockchain experience… 27 methods on Ankr RPC with a free demo key.
- [Xphere](https://www.ankr.com/docs/rpc-service/chains/chains-api/xphere/) — Xphere is an EVM-compatible Layer-1 with a dual-chain architecture that separates consensus and heavy… 22 methods on Ankr RPC with a free demo key.
- [XRP](https://www.ankr.com/docs/rpc-service/chains/chains-api/xrp/) — The XRP Ledger (XRPL) is a decentralized blockchain optimized for fast, low-cost payments and asset transfers. 43 methods on Ankr RPC with a free demo key.
- [zkSync Era](https://www.ankr.com/docs/rpc-service/chains/chains-api/zksync-era/) — zkSync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum without compromising on… 28 methods on Ankr RPC with a free demo key.
- [Supported Chains: 0G-B](https://www.ankr.com/docs/rpc-service/chains/chains-list/0g-b/) — Ankr RPC networks, endpoints, methods, and code examples for supported chains 0G-B — 0G, Allora, Aptos, Arbitrum, and more.
- [Supported Chains: C-I](https://www.ankr.com/docs/rpc-service/chains/chains-list/c-i/) — Ankr RPC networks, endpoints, methods, and code examples for supported chains C-I — Celo, Chiliz, Core, Corn, and more.
- [Chains Quickstart](https://www.ankr.com/docs/rpc-service/chains/chains-list/) — The full list of blockchains supported on Ankr RPC, with mainnet and testnet endpoints for each.
- [Supported Chains: K-R](https://www.ankr.com/docs/rpc-service/chains/chains-list/k-r/) — Ankr RPC networks, endpoints, methods, and code examples for supported chains K-R — Kaia, Kava, Kinto, Kite AI, and more.
- [Supported Chains: S-T](https://www.ankr.com/docs/rpc-service/chains/chains-list/s-t/) — Ankr RPC networks, endpoints, methods, and code examples for supported chains S-T — Scroll, Secret Network, Sei, Solana, and more.
- [Supported Chains: X-Z](https://www.ankr.com/docs/rpc-service/chains/chains-list/x-z/) — Ankr RPC networks, endpoints, methods, and code examples for supported chains X-Z — X Layer, Xai, XDC Network, Xphere, and more.
- [Charging policy & account balance](https://www.ankr.com/docs/rpc-service/charging-policy/) — How Ankr bills API credits, what happens when your Premium balance runs out, the −$5 overdraft allowance, balance notifications, and Enterprise overage handlin…
- [Enterprise](https://www.ankr.com/docs/rpc-service/enterprise/) — How Ankr works with large customers — dedicated nodes in the regions you choose, a direct line to our engineers, custom rate and connection limits, heavy metho…
- [Error Reference](https://www.ankr.com/docs/rpc-service/errors/overview/) — Every error the Ankr RPC gateway can return — JSON-RPC code, HTTP status, what it means, and what to do. Covers authentication, access, rate limits, request si…
- [Per-Chain & Method Quirks](https://www.ankr.com/docs/rpc-service/errors/per-chain-quirks/) — Errors that depend on the chain or method rather than your code — archive vs full nodes, block-range limits on eth_getLogs and trace_*, subscription support, b…
- [Retry Strategies & Rate Limits](https://www.ankr.com/docs/rpc-service/errors/retry-strategies/) — How to handle transient RPC errors and rate limits — which codes are safe to retry, exponential backoff with jitter in JavaScript, Python, and Go, idempotency,…
- [Usage Analytics](https://www.ankr.com/docs/rpc-service/getting-started/analytics/) — Monitor your traffic with the Statistics overview and inspect every individual request from the last 7 days in the raw Requests tab — with filters for chain, m…
- [Basics with Premium plan](https://www.ankr.com/docs/rpc-service/getting-started/basics-premium/) — Set up a Premium Ankr RPC account: sign in, deposit funds, and unlock higher limits, archive data, and premium features.
- [Basics with Public plan](https://www.ankr.com/docs/rpc-service/getting-started/basics-public/) — What's available for the Public service plan user: Node API at the corresponding rate limits. Connection code snippets.
- [Billing & Payments](https://www.ankr.com/docs/rpc-service/getting-started/billing/) — Top up your account balance with crypto across six networks (Ethereum, BNB Chain, Polygon, Arbitrum, Optimism, Scroll) or with a credit/debit card, and track y…
- [Intro](https://www.ankr.com/docs/rpc-service/getting-started/intro/) — Get started with the Ankr RPC platform: create a project, mint an API key, and make your first Node API or Advanced API call.
- [Notifications & Alerts](https://www.ankr.com/docs/rpc-service/getting-started/notifications/) — Stay on top of your account and the blockchains you use. Ankr sends balance, usage, and blockchain-status alerts to Email, Telegram, and Slack.
- [Web3 Platform Swagger UI](https://www.ankr.com/docs/rpc-service/getting-started/platform-swagger/) — The Ankr platform management API (OpenAPI/Swagger): manage keys, billing, usage, security, and team members programmatically.
- [Projects](https://www.ankr.com/docs/rpc-service/getting-started/projects/) — Organize Ankr RPC usage into projects, each with its own API key, security rules, usage analytics, and limits.
- [Team Accounts](https://www.ankr.com/docs/rpc-service/getting-started/team-accounts/) — Ankr team accounts: invite members, scope roles, and share Premium access and billing without sharing a single login.
- [Overview](https://www.ankr.com/docs/rpc-service/overview/) — Ankr provides the top-performing globally-distributed infrastructure of nodes to empower your Web3 projects with blockchain interaction capabilities.
- [Pricing](https://www.ankr.com/docs/rpc-service/pricing/) — How Ankr RPC pricing works: one flat credit rate per method, pay-as-you-go, and archive data included on every tier.
- [Regions & Routing](https://www.ankr.com/docs/rpc-service/regions/) — Where Ankr serves RPC from — multiple regions across North America, Europe, and Asia-Pacific — and how requests are automatically routed to the nearest healthy…
- [Service plans](https://www.ankr.com/docs/rpc-service/service-plans/) — Ankr RPC service plans compared: Public, Freemium, Premium, and Enterprise limits, features, and charging models.
- [SLA & service reliability](https://www.ankr.com/docs/rpc-service/sla/) — Uptime commitments per Ankr service plan: a 99.9% standard SLA with a 10% service credit, 99.99% available as negotiated Enterprise upside, maintenance policy,…

## Advanced API

- [Ankr.js SDK](https://www.ankr.com/docs/advanced-api/javascript-sdk/) — Ankr.js SDK contains a compact JavaScript library to enable you to interact with Advanced API. 1. Install the latest package stored on npm. 2. Initialize the.
- [NFT API](https://www.ankr.com/docs/advanced-api/nft-methods/) — NFT API serves to request NFT-related data (owners, listings for particular wallet addresses, collections, time it's been minted, transaction history, and ot.
- [Overview](https://www.ankr.com/docs/advanced-api/overview/) — Start using Advanced API on the Web3 API platform. Advanced API is a specifically-tailored collection of JSON-RPC API endpoints built to support the most p.
- [Pricing](https://www.ankr.com/docs/advanced-api/pricing/) — Advanced API requests measure in API Credits and are paid for under the Pay-as-you-go (PAYG) model — paying for each request. A method's credit value calcula.
- [Ankr.py SDK](https://www.ankr.com/docs/advanced-api/python-sdk/) — Ankr.py SDK is a compact Python library that enables interaction with Advanced API. 1. Install the latest package stored on PyPi. 2. Initialize the SDK.
- [Query API](https://www.ankr.com/docs/advanced-api/query-methods/) — Query API is an access-ready solution that enables your projects to interact with multiple blockchains in a single request. By indexing blockchain data on al.
- [Query Advanced APIs on NodeJS Server using Ankr.js SDK](https://www.ankr.com/docs/advanced-api/quickstart/aapi-on-nodejs/) — Ankr.js is a JavaScript library that lets you interact with Advanced APIs. In this guide, you'll learn how to create a Node.js script that logs out a list of.
- [Empower React App with Advanced APIs using Ankr.js SDK](https://www.ankr.com/docs/advanced-api/quickstart/aapi-react-app/) — Ankr.js is a JavaScript library that lets you interact with Advanced APIs. In this guide, you'll learn how to create an NFT viewer app using the following te.
- [Query Account Balance across Multiple Blockchains using Ankr.js](https://www.ankr.com/docs/advanced-api/quickstart/account-balance-ankrjs/) — Fetch account balance across multiple blockchains: - Ethereum - Polygon.
- [DeFi-Dashboard dApp using Advanced APIs](https://www.ankr.com/docs/advanced-api/quickstart/defi-dashboard-ankrjs/) — In this tutorial, we’ll be building a "What's in Your Wallet?" dApp where users can check their net worth, credits in native balance by chain, and NFTs they.
- [Fetch Particular Owner's NFTs with Ankr.js](https://www.ankr.com/docs/advanced-api/quickstart/fetch-nfts-ankrjs/) — In this tutorial, we’ll be fetching all the NFTs owned by a particular wallet or owner across multiple blockchains such as Ethereum, Polygon, and Fantom, to.
- [Build with Advanced APIs](https://www.ankr.com/docs/advanced-api/quickstart/overview/) — Kickstart your dApp with Advanced APIs to go from idea to building and shipping cool stuff. Learn how to query data from blockchain instantly:.
- [Ankr React Hooks](https://www.ankr.com/docs/advanced-api/react-hooks/) — This section contains info on using React hooks to fetch data from Advanced API. 1. Install the package. 2. Wrap your app with the component.
- [Token API](https://www.ankr.com/docs/advanced-api/token-methods/) — Token API serves to request token-related data (account balance, supported currencies, token holders, token price, etc.) across multiple EVM-compatible chain.

## Contract Automation

- [Create compatible contracts](https://www.ankr.com/docs/automation/create-compatible-contracts/) — Contract that are compatible with the IAutomateCompatible Ankr interface allow you to create custom logic tasks and automate contract function execution base.
- [Custom logic automation](https://www.ankr.com/docs/automation/custom-logic-automation/) — Custom logic automation Tasks allow you to automate calling a contract function on an event of your choice. For example, when a certain function in another c.
- [Manage your automation Tasks](https://www.ankr.com/docs/automation/manage-tasks/) — To add funds: 1. Visit Ankr Automation Dashboard. 2. Click Funds in the top horizontal menu.
- [Contract automation](https://www.ankr.com/docs/automation/overview/) — Ankr Automation enables you to execute your contract functions based on various triggers. It is an automation platform that uses the same decentralized node.
- [Time-based automation](https://www.ankr.com/docs/automation/time-based-automation/) — Time-based automation Tasks allow you to automate calling a contract function on a schedule of your choice. To create a time-based automation task, you need.

## Basic Tutorials

- [Ankr.js (Advanced APIs) React Quickstart Guide](https://www.ankr.com/docs/basic-tutorials/ankrjs-advanced-apis-react-quickstart-guide/) — By Dhaiwat Pandya Ankr.js is a JavaScript library that lets you interact with Ankr's Advanced APIs. In this guide, you'll learn how to create an NFT viewer.
- [Create A Backend NodeJS IPFS File Uploader With Filebase](https://www.ankr.com/docs/basic-tutorials/backend-nodejs-ipfs-file-uploader-with-filebase/) — By Manny If you’d like to understand IPFS a bit better, check out the last article written to easily understand & upload files to IPFS with filebase. This t.
- [How to Create your First DAO using Plug-and-Play No-Code Solution On Ethereum](https://www.ankr.com/docs/basic-tutorials/dao-in-5min/) — By Krinza Momin I'm writing this article thinking about two things. First, why is the web3 community obsessed with three-letter words - think ICOs, NFTs, an.
- [Build an end-to-end Crypto Picks Board with No-Code on Ethereum](https://www.ankr.com/docs/basic-tutorials/dapp-on-ethereum-using-nocode/) — By Krinza Momin Now that you have entered the chat, let me guess what made you swipe right on this article. Is that the “pickup lines” and you desperately w.
- [Filebase to store files to IPFS](https://www.ankr.com/docs/basic-tutorials/file-storage-on-ipfs-with-filebase/) — By Manny If you’re just getting started with web3 or just haven’t touched decentralized storage before, then Filebase is a good way to bridge the gap betwee.

## Advanced Tutorials

- [An End-to-End Tutorial to Create and Deploy a Fully Decentralized Crowdfunding dApp on Polygon using Rainbowkit, Wagmi and Ankr](https://www.ankr.com/docs/advanced-tutorials/donation-based-crowdfunding-dapp-on-polygon-with-ankr/) — By Krinza Momin In this tutorial, we’ll be building a donation-based crowdfunding dApp on Polygon where users can start a fundraising project for anyone to.

## Smart Contract Tutorials

- [Deploy and Mint a CryptoKitties-Like NFT with ERC-721 Smart Contract](https://www.ankr.com/docs/smart-contract-tutorials/cryptokitties-like-nft-with-erc-721-smart-contract/) — By Krinza Momin Mention NFT revolution and you will most likely stumble upon this project over and over again: CryptoKitties. Originally built on the Ethere.
- [How To Build An ERC-20 token On Optimism's Lightning-Fast Ethereum L2 Blockchain](https://www.ankr.com/docs/smart-contract-tutorials/erc-20-token-on-optimism/) — By Manny If you have ever wanted to create your own type of currency or token that would be used as a means for an exchange of value or trading then you’re.
- [How to deploy your own ERC-20 token with Ankr & Hardhat on ETH Goerli Testnet](https://www.ankr.com/docs/smart-contract-tutorials/erc-20-token-with-ankr-hardhat-on-goerli/) — By Krinza Momin If 'I wish I had my own token ' thought ever crossed your mind, then this article will serve to be your step-by-step guide for building and.
- [Deploy and Mint a CryptoKitties-Like NFT with ERC-721 Smart Contract](https://www.ankr.com/docs/smart-contract-tutorials/erc-721-smart-contract-on-avalanche/) — By JoshCS First, create a new directory called avaxankr.
- [A Step-by-step Guide To Creating And Deploying A Non-Transferable (Soulbound) NFT Smart Contract](https://www.ankr.com/docs/smart-contract-tutorials/non-rentable-soulbound-nft/) — By Krinza Momin We laud NFTs for their transferability but Vitalik's extended idea in a blog post titled "Soulbound"↗, over the long haul is showing up in l.
- [Build and Deploy A Rentable NFT Smart Contract On Optimism](https://www.ankr.com/docs/smart-contract-tutorials/rentable-nft-on-optimism/) — By Dhaiwat Pandya NFTs are one of the most interesting things to have happened around digital ownership and the creator economy. They have opened a whole ne.

## Ankr Bridge

- [Bridge tokens](https://www.ankr.com/docs/bridge/bridge-tokens/) — We're going to explain bridging, using ankrETH (ex-aETHc). 1. Visit Ankr Bridge and choose ankrETH. 2. Enter the desired ankrETH amount to bridge and click A.
- [Ankr Bridge](https://www.ankr.com/docs/bridge/overview/) — Ankr Bridge is an Ankr product for bridging assets between networks. It allows you to transfer your Ankr Liquid Staking tokens to a different network where t.

## DeFi

- [FAQ](https://www.ankr.com/docs/defi/faq/) — Looking at Ankr DeFi, you can see the Difference vs. Fair value column. Fair Value represents the ratio at which users can stake/unstake 1 token. The Fair Va.
- [Liquidity pools](https://www.ankr.com/docs/defi/liquidity-pools/) — Visiting Ankr DeFi Dashboard, you will see a dashboard where you can enable the Liquidity pool filter. The filter allows you to see all the integrated opport.
- [Ankr DeFi](https://www.ankr.com/docs/defi/overview/) — Ankr DeFi Trade is a Liquid Staking data aggregation tool providing access to real-time trading prices. It allows users to find all liquidity staking DeFi in.
- [Vaults](https://www.ankr.com/docs/defi/vaults/) — Visiting Ankr DeFi Dashboard, you will see a dashboard where you can enable the Vault filter. The filter allows you to see all the integrated opportunities t.
- [Yield farming](https://www.ankr.com/docs/defi/yield-farming/) — Visiting Ankr DeFi Dashboard, you will see a dashboard where you can enable the Farming filter. The filter allows you to see all the integrated opportunities.

## Token Switch

- [Ankr Switch](https://www.ankr.com/docs/switch/overview/) — Ankr Switch is a product for switching from reward bearing tokens to reward earning tokens, for the same type of asset. For example, aETHb to ankrETH. They a.
- [Switch tokens](https://www.ankr.com/docs/switch/switch-tokens/) — We're going to explain bridging, using aBNBb. 1. Visit Ankr Switch and choose aBNBb. 2. Enter the desired amount and click Switch.

## Liquid Staking

- [FAQ](https://www.ankr.com/docs/liquid-staking/avax/faq/) — ankrAVAX (ex-aAVAXc) is an ERC-20 token that is compatible with Ethereum-based wallets like MetaMask. Yes — there is a user guide. 1 AVAX.
- [Avalanche Liquid Staking](https://www.ankr.com/docs/liquid-staking/avax/overview/) — Ankr Staking offers Avalanche token holders the opportunity to stake AVAX and in return claim Avalanche Liquid Staking tokens — ankrAVAX (ex-aAVAXc).
- [Stake AVAX](https://www.ankr.com/docs/liquid-staking/avax/stake/) — Liquid-stake AVAX with Ankr: deposit AVAX via MetaMask, receive ankrAVAX, keep DeFi composability.
- [Unstake AVAX](https://www.ankr.com/docs/liquid-staking/avax/unstake/) — If you decide to unstake, it can take up to 4 weeks before you can claim your funds. Unstaking AVAX tokens is a multi-step process involving sending several.
- [FAQ](https://www.ankr.com/docs/liquid-staking/bnb/faq/) — ankrBNB (ex-aBNBc) is an ERC-20 token that is compatible with Ethereum-based wallets like MetaMask. Yes — there is a user guide. You can stake from 0.1 BNB.
- [BNB Liquid Staking](https://www.ankr.com/docs/liquid-staking/bnb/overview/) — Ankr Staking offers Binance token holders the opportunity to stake BNB and in return claim Binance Liquid Staking tokens — ankrBNB. ankrBNB is a reward-beari.
- [Stake BNB](https://www.ankr.com/docs/liquid-staking/bnb/stake/) — Liquid-stake BNB with Ankr: deposit BNB via MetaMask, receive ankrBNB, keep DeFi composability.
- [Unstake BNB](https://www.ankr.com/docs/liquid-staking/bnb/unstake/) — You have two options when unstaking: 1. Standard unstake — up to 7–15 days before you receive your funds, but no commission or limits. 2. Flash unstake — ins.
- [FAQ](https://www.ankr.com/docs/liquid-staking/dot/faq/) — aDOTb is an ERC-20 token that is compatible with Ethereum-based wallets like MetaMask. You receive the unstaked DOT after the unbonding period of up to 28 da.
- [Unstake](https://www.ankr.com/docs/liquid-staking/dot/unstake/) — If you decide to unstake, it can take up to 28 days before the unstaked funds are released to your wallet. 1. Open Ankr Staking Dashboard. 2. Locate the aDOT.
- [FAQ](https://www.ankr.com/docs/liquid-staking/eth/faq/) — Yes — there is a user guide. There's no minimum amount, you can stake any. There's no change interval, you can stake any amount.
- [Ethereum Liquid Staking](https://www.ankr.com/docs/liquid-staking/eth/overview/) — Ankr Staking offers Ethereum token holders the opportunity to stake ETH and in return claim Ethereum Liquid Staking tokens — ankrETH (ex-aETHc). ETH Liquid S.
- [Restake ankrETH on EigenLayer](https://www.ankr.com/docs/liquid-staking/eth/restake-ankreth-on-eigen/) — Once you have staked ETH in Ethereum Liquid Staking, you have an opportunity to restake it on EigenLayer. To restake your ankrETH, you need to: 1. Deposit an.
- [Security](https://www.ankr.com/docs/liquid-staking/eth/security/) — To protect Ankr validators' private keys, Ankr has teamed up with Cubist — a Polychain-backed company that specializes in high-security Web3 development and.
- [Staking ETH](https://www.ankr.com/docs/liquid-staking/eth/stake/) — Liquid-stake ETH with Ankr: deposit ETH via MetaMask, receive ankrETH, keep DeFi composability.
- [Unstake ankrETH on EigenLayer](https://www.ankr.com/docs/liquid-staking/eth/unstake-ankreth-on-eigen/) — If you want to unstake ankrETH on EigenLayer to use it different DeFi opportunities or to get your ETH back. To withdraw your ankrETH, you need to first unde.
- [Unstake ETH](https://www.ankr.com/docs/liquid-staking/eth/unstake/) — You have two options when unstaking: 1. Standard unstake — dynamic time depending on the Ethereum unstake queue. Currently, . 2. Flash unstake — instant rele.
- [FAQ](https://www.ankr.com/docs/liquid-staking/flow/faq/) — ankrFLOW is an ERC-20 token that is compatible with Ethereum-based wallets like MetaMask. Yes — there is a user guide. Currently, there is no minimum amount.
- [Flow Liquid Staking](https://www.ankr.com/docs/liquid-staking/flow/overview/) — Ankr Staking offers FLOW token holders the opportunity to stake FLOW and in return claim FLOW Liquid Staking tokens — ankrFLOW. ankrFLOW is a reward-bearing.
- [Stake FLOW](https://www.ankr.com/docs/liquid-staking/flow/stake/) — Liquid-stake FLOW with Ankr: deposit FLOW via MetaMask, receive ankrFLOW, keep DeFi composability.
- [Unstake FLOW](https://www.ankr.com/docs/liquid-staking/flow/unstake/) — Currently, the only option is Standard unstake. It takes 7–15 days before you receive the funds. No commission or limits imposed. 1. Open Ankr Staking Dashbo.
- [FAQ](https://www.ankr.com/docs/liquid-staking/ftm/faq/) — ankrFTM (ex-aFTMс) is an ERC-20 token that is compatible with Ethereum-based wallets like MetaMask. Yes — there is a user guide. 1 FTM.
- [Fantom Liquid Staking](https://www.ankr.com/docs/liquid-staking/ftm/overview/) — Ankr Staking offers Fantom token holders the opportunity to stake FTM and in return claim Fantom Liquid Staking tokens — ankrFTM (ex-aFTMc). ankrFTM is a rew.
- [Stake FTM](https://www.ankr.com/docs/liquid-staking/ftm/stake/) — Liquid-stake FTM with Ankr: deposit FTM via MetaMask, receive ankrFTM, keep DeFi composability.
- [Unstake FTM](https://www.ankr.com/docs/liquid-staking/ftm/unstake/) — If you decide to unstake, it can take varying time, depending on the amount you want to unstake. The unstake logic is that each time a lock-up period ends, A.
- [Ankr Liquid Staking](https://www.ankr.com/docs/liquid-staking/overview/) — Liquid Staking solves the problem of locked up liquidity when staking assets on Proof-of-Stake networks. Staking rewards from Proof-of-Stake networks can be.
- [FAQ](https://www.ankr.com/docs/liquid-staking/pol/faq/) — Check the Stake POL user guide. Minimum amount: - Staking POL on Ethereum, your minimum amount is 1 POL.
- [Polygon Liquid Staking](https://www.ankr.com/docs/liquid-staking/pol/overview/) — Ankr Staking offers Polygon token holders the opportunity to stake POL and in return claim Polygon Liquid Staking tokens — ankrPOL. ankrPOL a reward-bearing.
- [Stake POL](https://www.ankr.com/docs/liquid-staking/pol/stake/) — Liquid-stake POL with Ankr: deposit POL via MetaMask, receive ankrPOL, keep DeFi composability.
- [Unstake](https://www.ankr.com/docs/liquid-staking/pol/unstake/) — If you decide to unstake, the waiting period will depend on what network you chose when staking: For POL Liquid Staking on Ethereum, it can take up to 3-4 d.

## Delegated Staking

- [Stake with liquid staking pioneers](https://www.ankr.com/docs/delegated-staking/ankr-validators/overview/) — Ankr Labs has been the backbone of Ankr's Liquid Staking solutions providing consistently among the highest staking rewards in the industry. As a staking ser.
- [Stake with Ankr's validators](https://www.ankr.com/docs/delegated-staking/ankr-validators/stake/) — You may stake with our validators on a variety of different chains: Avalanche Binance.
- [Claim or restake rewards](https://www.ankr.com/docs/delegated-staking/ankr/claim-restake-rewards/) — Claim and restake ANKR delegated-staking rewards via the dashboard. Requires a MetaMask wallet with ANKR.
- [FAQ](https://www.ankr.com/docs/delegated-staking/ankr/faq/) — When you stake with Ankr as the Node Provider, ANKR token staking does not involve any slashing or other penalties. However, future additional options with o.
- [Delegated ANKR token staking](https://www.ankr.com/docs/delegated-staking/ankr/overview/) — In the Ankr 2.0 whitepaper, we introduced the vision for Ankr Network as a decentralized system where independent node operators work alongside Ankr nodes to.
- [Stake ANKR token](https://www.ankr.com/docs/delegated-staking/ankr/stake/) — Delegate-stake ANKR tokens to an Ankr validator. Requires a MetaMask wallet with ANKR and ETH for gas.
- [Unstake ANKR token](https://www.ankr.com/docs/delegated-staking/ankr/unstake/) — Ensure the following: 1. You have a small amount of ETH for the gas fee. 2. You know about the lockup period. ANKR delegated staking has a locking period of.
- [FAQ](https://www.ankr.com/docs/delegated-staking/gnosis/faq/) — The only risk for stakers is missing out on rewards during any time a validator they staked with is slashed. Slashing is a protocol-level penalty associated.
- [Delegated GNO token staking](https://www.ankr.com/docs/delegated-staking/gnosis/overview/) — Delegated Staking is working towards Ankr Network 2.0 that brings together our ecosystem of developers, node providers (Node Pros), and stakers (Ankr Bankrs).
- [Stake GNO token](https://www.ankr.com/docs/delegated-staking/gnosis/stake/) — To stake GNO, you'll need to: 1. Purchase GNO on Ethereum. 2. Bridge GNO to Gnosis.
- [Unstake GNO](https://www.ankr.com/docs/delegated-staking/gnosis/unstake/) — Unstaking GNO has a dynamic unbond period, depending on the current unstake queue on Gnosis. It means that the release time for your GNO tokens may vary, but.

## Liquid Crowdloan

- [Ankr Parachain Liquid Crowdloan](https://www.ankr.com/docs/liquid-crowdloan/overview/) — Kusama and Polkadot Parachain slot auctions are among the most widely discussed and anticipated events in the blockchain space. They provide the winning proj.
- [Unstake DOT from a Liquid Crowdloan project](https://www.ankr.com/docs/liquid-crowdloan/unstake/) — Unstake from an Ankr Liquid Crowdloan position and reclaim the underlying asset via MetaMask.

## Staking — For Developers

- [AVAX staking mechanics](https://www.ankr.com/docs/staking-for-developers/dev-details/avax-liquid-staking-mechanics/) — AVAX Liquid Staking lets the user stake their funds through the Ankr deposit address on the Avalanche network, accumulate rewards, and receive their stake+re.
- [BNB staking mechanics](https://www.ankr.com/docs/staking-for-developers/dev-details/bnb-liquid-staking-mechanics/) — BNB Liquid Staking lets the user stake their funds through the corresponding smart contracts on the Binance network, accumulate rewards, and receive their st.
- [Ankr Bridge mechanics](https://www.ankr.com/docs/staking-for-developers/dev-details/bridge-mechanics/) — Smart contracts involved in bridging Liquid Staking tokens are: Ankr Bridge on Avalanche (0x31BE0FA706E391a88C3A09cC13112bd55E0887f5) — sends assets to othe.
- [ETH staking mechanics](https://www.ankr.com/docs/staking-for-developers/dev-details/eth-liquid-staking-mechanics/) — ETH Liquid Staking lets the user stake their funds through the corresponding smart contracts on the Ethereum network, accumulate rewards, and receive their s.
- [Ethereum Delegated Staking and Validator Hub](https://www.ankr.com/docs/staking-for-developers/dev-details/eth-validator-hub-mechanics/) — Ethereum Delegated Staking is implemented via the Validator Hub. Validator Hub is a module that allows users to delegate-stake with a node provider of their.
- [FTM staking mechanics](https://www.ankr.com/docs/staking-for-developers/dev-details/ftm-liquid-staking-mechanics/) — FTM Liquid Staking lets the user stake their funds through the corresponding smart contracts on the Fantom network, accumulate rewards, and receive their sta.
- [POL staking mechanics](https://www.ankr.com/docs/staking-for-developers/dev-details/pol-liquid-staking-mechanics/) — POL Liquid Staking lets the user stake their funds through the corresponding smart contracts on Ethereum or a swap pool on Polygon, accumulate rewards, and r.
- [Ankr Switch mechanics](https://www.ankr.com/docs/staking-for-developers/dev-details/switch-mechanics/) — The user pays the following fees: a 0.3% technical service fee is deducted from the entered sum for the provided Ankr Switch services. The user must also co.
- [Flash loans](https://www.ankr.com/docs/staking-for-developers/flash-loan/overview/) — Flash Loans are uncollateralized loans that allow the user to borrow HAY as long as the borrowed amount (and a fee) is returned before the end of the transac.
- [BNB flash unstake](https://www.ankr.com/docs/staking-for-developers/flash-unstake/bnb-flash-unstake/) — Ankr provides an additional opportunity to operate its LSTs by introducing a flash unstake feature. This feature significantly decreases the unstake time — t.
- [APR oracles (aka APY oracles)](https://www.ankr.com/docs/staking-for-developers/oracles/apr-oracle/) — APR oracle allows you to get APR for various Liquid Staking tokens. To call the oracle, choose a token and follow a link accordingly: APR oracle for ankrBNB.
- [Ankr oracles](https://www.ankr.com/docs/staking-for-developers/oracles/overview/) — Ankr offers you oracles that get data from DEXs. The oracles make it easier for you to integrate with Ankr Staking products. They obtain live data such as pr.
- [Ankr PancakeSwap price oracle](https://www.ankr.com/docs/staking-for-developers/oracles/pancakeswap-oracle/) — Ankr PancakeSwap price oracle is a TWAP oracle that obtains time-weighted average price (TWAP) for a pair of tokens from PancakeSwap. TWAP is a compound pric.
- [Redemption price oracle](https://www.ankr.com/docs/staking-for-developers/oracles/redemption-price-oracle/) — The oracle allows you to get the latest ratio and calculate the Redemption Price by one of the formulas mentioned in the Redemption Price explanation.
- [Integrate with Ankr Staking](https://www.ankr.com/docs/staking-for-developers/overview/) — We welcome you to use Ankr Staking in your projects. You can integrate the following: Delegated Staking.
- [Referral program](https://www.ankr.com/docs/staking-for-developers/referral-program/overview/) — Through our referral program, you can become an Ankr partner and generate more revenue attracting new users to Ankr Liquid Staking. There are two cases for p.
- [Liquid Staking metrics API](https://www.ankr.com/docs/staking-for-developers/restful-api/staking-metrics/) — You can get Ankr Liquid Staking metrics to integrate into your product dashboards and to use metrics like APY in yor product. The metrics you can obtain are:.
- [Trustless ratio](https://www.ankr.com/docs/staking-for-developers/restful-api/trustless-ratio/) — For the transparency, we decided to apply a “proof-of-reserves” solution to the Ethereum Liquid Staking ratio. All the data is taken from the consensus layer.
- [Validator API](https://www.ankr.com/docs/staking-for-developers/restful-api/validator-api/) — You can get payout data for Ankr Validators. RESTful API endpoint that returns amount of pending unstakes to be released from a validator and timestamp when.
- [Liquid Crowdloan SDK](https://www.ankr.com/docs/staking-for-developers/sdk/liquid-crowdloan-sdk/) — Ankr’s new Software Development Kit (SDK) integrates Parachain Liquid Crowdloan into Parachain Crowdloan. Ankr has developed an SDK that works with smart c.
- [Liquid Staking SDK](https://www.ankr.com/docs/staking-for-developers/sdk/liquid-staking-sdk/) — Integrating with Ankr Liquid Staking has become easier. Now you can skip the complications of Solidity and learning how to send direct calls to Liquid Stakin.
- [Overview](https://www.ankr.com/docs/staking-for-developers/sdk/overview/) — Ankr Liquid Staking SDK: JavaScript/TypeScript toolkit to integrate ankrETH, ankrBNB, ankrAVAX, ankrFTM, ankrPOL into your dapp.
- [AVAX Liquid Staking API](https://www.ankr.com/docs/staking-for-developers/smart-contract-api/avax-api/) — To integrate with AVAX Liquid Staking, use the smart contract functions and examples below. Stakes the msg.value of AVAX and claims ankrAVAX for it.
- [BNB Liquid Staking API](https://www.ankr.com/docs/staking-for-developers/smart-contract-api/bnb-api/) — To integrate with BNB Liquid Staking, use the smart contract functions and examples below. Stakes BNB and claims ankrBNB. payableAmount (BNB, required) — amo.
- [ETH Liquid Staking API](https://www.ankr.com/docs/staking-for-developers/smart-contract-api/eth-api/) — To integrate with ETH Liquid Staking, use the smart contract functions and examples below. Stakes the msg.value of ETH and claims ankrETH for it. Mainnet Gl.
- [FTM Liquid Staking API](https://www.ankr.com/docs/staking-for-developers/smart-contract-api/ftm-api/) — To integrate with FTM Liquid Staking, use the smart contract functions and examples below. Stakes the msg.value of FTM and claims ankrFTM for it. Mainnet Fa.
- [Overview](https://www.ankr.com/docs/staking-for-developers/smart-contract-api/overview/) — Ankr Liquid Staking smart contract API: on-chain ABIs and addresses for stake, unstake, and claim flows across all supported chains.
- [POL Liquid Staking API](https://www.ankr.com/docs/staking-for-developers/smart-contract-api/pol-api/) — To integrate with POL Liquid Staking, use the smart contract functions and examples below. Lets the PolygonPool smart contract transfer user's POL tokens.

## Staking — Extras

- [ANKR Governance Mechanics](https://www.ankr.com/docs/staking-extra/ankr-governance-mechanics/) — Governance is a mechanism by which ANKR token-holders can propose and vote for changes to the Ankr Staking system. If a change receives enough votes, the Ank.
- [ANKR Tokenomics](https://www.ankr.com/docs/staking-extra/ankr-tokenomics/) — There is no inflation built into the ANKR token. For example, a user who owns 1,000,000 ANKR, would own 0.0001% of the total supply. Because there is no infl.
- [Ankr validators](https://www.ankr.com/docs/staking-extra/ankr-validators/) — Besides using network infrastructure, we are creating and maintaining our own validators. Here are available Ankr validators. | Network | Validator |.
- [Audit reports](https://www.ankr.com/docs/staking-extra/audit-reports/) — For security measures and to ensure its safety to the users, Ankr Staking products undergo audit checks. Here is the list of available audit reports: Ankr B.
- [Brand assets](https://www.ankr.com/docs/staking-extra/brand-assets/) — We offer you our brand assets to use in your projects, articles, social media posts and so on. We also offer our a brandbook with company colors and styling.
- [Compatible wallets](https://www.ankr.com/docs/staking-extra/compatible-wallets/) — The following hot wallets are compatible with Ankr Staking: Coinbase Coin98.
- [Networks don't switch in MetaMask. How to fix it?](https://www.ankr.com/docs/staking-extra/fix-broken-network-switch/) — Some of our users may have bumped into the bug when they try to switch the network while using Ankr Staking, but the network stays the same. This happens bec.
- [Get goETH](https://www.ankr.com/docs/staking-extra/get-goerli-eth/) — There are two main options to get goETH (Goerli ETH): Requesting it from a faucet. Bridging your mainnet ETH to Goerli.
- [Staking glossary](https://www.ankr.com/docs/staking-extra/glossary/) — Alpha refers to excess returns earned on an investment above a benchmark return. The crypto economy is the use of incentives and cryptography to design open,.
- [Integrations](https://www.ankr.com/docs/staking-extra/integrations/) — We encourage you to use Ankr Staking products in your projects. If you are a blockchain developer or a company, you may want to integrate with Ankr Staking a.
- [Parachain Liquid Crowdloan market makers](https://www.ankr.com/docs/staking-extra/liquid-crowdloan-market-makers/) — In traditional finance, bond trading is enabled by market makers who provide liquidity to the market. Banks and Brokers usually operate as market makers, est.
- [Liquid Staking tokens addresses (mainnet)](https://www.ankr.com/docs/staking-extra/ls-sc-addresses-mn/) — ANKR (0xAeAeeD23478c3a4b798e4ed40D8B7F41366Ae861; Ankr Bridge) multiANKR (0x46f74778b265df3a15ec9695ccd2fd3869ca848c; Discontinued) ankrETH (0xe05a08226c4.
- [Liquid Staking tokens addresses (testnet)](https://www.ankr.com/docs/staking-extra/ls-sc-addresses-tn/) — ankrETH (0x8F4aC23956aEEf41984704768bDE1032eD49501b) ANKR (0x19569acF063480A4498E3F06374e6eBe1276ac8f) The following Ankr tokens have been deployed on Aval.
- [Micropool staking](https://www.ankr.com/docs/staking-extra/micropool-staking/) — Pooled staking removes the barriers to entry for people who want to participate in securing Proof-of-stake (PoS) networks such as ETH 2.0 (Beacon Chain).
- [Staking principles](https://www.ankr.com/docs/staking-extra/principles/) — Ankr Staking solves the problems of Traditional Staking by enabling liquidity, portability and access to value. 1. Solving capital inefficiency Proof of Stak.
- [Staking fees](https://www.ankr.com/docs/staking-extra/staking-fees/) — Ankr charges technical service fees for Delegate Staking. ANKR — network gas fee. GNO — 30% from the staking reward; network gas fee.
- [Staking smart contracts](https://www.ankr.com/docs/staking-extra/staking-smart-contracts/) — Here are the smart contracts involved in Delegated Staking and Liquid Staking. Ankr Bridge (0xc437DF90B37C1dB6657339E31BfE54627f0e7181) ankrETH rateProvide.
- [Switching ankrETH on BNB Chain](https://www.ankr.com/docs/staking-extra/switch-ankreth-binance/) — We are decommissioning an older version of ankrETH Liquid Staking token on the BNB Chain and switching to the new version of ankrETH) token that is compatibl.

## Rollups

- [Arbitrum AnyTrust](https://www.ankr.com/docs/scaling-services-rollups/data-availability/arbitrum-anytrust/) — AnyTrust is an Arbitrum protocol that manages data availability with a permissioned set of parties known as the Data Availability Committee (DAC). AnyTrust s.
- [Avail DA](https://www.ankr.com/docs/scaling-services-rollups/data-availability/avail-da/) — Avail DA is a cutting-edge data availability layer designed to support the next generation of trust-minimized applications and sovereign rollups. It enables.
- [Celestia](https://www.ankr.com/docs/scaling-services-rollups/data-availability/celestia/) — Celestia is a data availability (DA) layer that provides a scalable solution to the data availability problem. Due to the permissionless nature of the blockc.
- [EigenDA](https://www.ankr.com/docs/scaling-services-rollups/data-availability/eigenda/) — EigenDA is a data availability store made by EigenLabs and built on top of EigenLayer, live on Goerli testnet and launching on mainnet in early Q2 2024.
- [NEAR Data Availability](https://www.ankr.com/docs/scaling-services-rollups/data-availability/nearda/) — NEAR provides an efficient and robust Data Availability solution designed specifically to handle the Layer 2 scaling demands. The NEAR Data Availability laye.
- [What are Rollups](https://www.ankr.com/docs/scaling-services-rollups/overview/) — Rollups are a Layer 2 scaling solution that increases blockchain transaction speed and throughput while deriving its security from Layer 1 Mainnet. Rollups s.
- [Arbitrum Orbit](https://www.ankr.com/docs/scaling-services-rollups/stacks/arbitrum-orbit/) — The Arbitrum Orbit stack is a customizable framework that enables the creation of personalized Layer 2 (L2) or Layer 3 (L3) blockchains based on the Arbitrum.
- [OP Stack](https://www.ankr.com/docs/scaling-services-rollups/stacks/op-stack/) — Optimism Bedrock is the current iteration of the OP Stack. The Bedrock release provides the tools for launching a production-quality Optimistic Rollup blockc.
- [Polygon CDK](https://www.ankr.com/docs/scaling-services-rollups/stacks/polygon-cdk/) — Polygon Chain Development Kit (CDK) is a modular, open source software toolkit for blockchain developers which supports the installation and configuration of.
- [ZK Stack](https://www.ankr.com/docs/scaling-services-rollups/stacks/zk-stack/) — The goal of the ZK Stack is to power the internet of value. Value needs to be secured, and only blockchains are able to provide the level of security that th.

## Sidechains

- [Circulation Model and Native Asset Bridge](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/architecture/circulation-model-native-bridge/) — The key features of each BNB Sidechain application are the native token circulation model and cross-chain bridge for native assets. Native assets of BNB Side.
- [Fast-Finality and BLS Cryptography
](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/architecture/fast-finality/) — Parlia is a BFT-like consensus where only one validator produces a block and to be sure of the correctness of this operations we must wait for the confirmati.
- [Governance](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/architecture/governance/) — Each BNB Sidechain should have on-chain governance to let users vote for the new proposal on the chain. The governance is based on the compound’s alpha gover.
- [Native Asset Bridge](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/architecture/native-bridge/) — BNB Sidechain brings a native cross-chain bridge that is embedded to BNB Sidechain as a system smart contract. Here we specify interfaces for the EVM version.
- [BNB Sidechain architecture](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/architecture/overview/) — BNB Sidechain is a modular framework for creating BNB Smart Chain-compatible sidechains. It defines requirements for integration with the BNB Smart Chain eco.
- [Runtime upgrades](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/architecture/runtime-upgrades/) — Runtime upgrade system smart contract allows to modify the existing byte code for the system smart contracts. However, it doesn't allow to modify user's smar.
- [System Smart Contracts](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/architecture/system-smart-contracts/) — Each sidechain of BNB Sidechain is technology-agnostic, meaning that it’s able to include or modify any module inside BNB Sidechain and bring any consensus o.
- [Demo](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/demo/) — There is a demo application where you can try BNB Sidechain. It already contains pre-deployed API gateways, block explorer, UI for the staking and faucet.
- [FAQ](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/faq/) — The BNB Sidechain is an infrastructure introduced to help developers and node operators build and run their own blockchain as their internal value system for.
- [Glossary](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/glossary/) — Framework for creating sidechains in the BNB Smart Chain ecosystem. Configurable and programmable modules that extend the base BNB Sidechain functionality th.
- [Customize genesis config file](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/how-to-launch/configure-genesis-file/) — To run a BNB Sidechain instance, you need genesis config file that is included into the devnet demo setup. To understand the config parameters and create you.
- [Deploy ERC-20 token](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/how-to-launch/deploy-erc20-token/) — Deployment of ERC-20 token can be done though Remix IDE of locally using truffle. Since BNB Sidechain has EVM & Web3 support, it is compatible with Ethereum.
- [Deploy ERC-721 token](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/how-to-launch/deploy-erc721-token/) — Deployment of ERC-721 token can be done though Remix IDE of locally using truffle. Since BNB Sidechain has EVM & Web3 support, it is compatible with Ethereum.
- [Launch BNB Sidechain](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/how-to-launch/launch-bnb-sidechain/) — Set up and run a BNB Sidechain instance using the devnet repo. Before running an instance you must do following: Ensure you have a dedicated machine that ha.
- [BNB Sidechain](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/overview/) — BNB Sidechain is a framework for creating sidechains in the BNB Smart Chain ecosystem. In other words, it's an infrastructure to help developers and node ope.
- [Blockchain and EVM security](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/security/blockchain-and-evm-security/) — BNB Sidechain solves the blockchain security problem by using the BNB Smart Chain codebase for it default template applied when creating a BNB Sidechain inst.
- [Off-chain security](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/security/off-chain-security/) — To bring the off-chain security, we're working on L2 solutions that are going to post state proofs in the BNB Smart Chain's original chain. Also, the native.
- [On-chain security](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/security/on-chain-security/) — Everything that goes on BNB Sidechain is controlled by the governance model: from the blockchain consensus, change proposals and staking. On-chain governance.
- [System smart contracts security](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/security/system-smart-contracts/) — For the smart contract runtime environment, BNB Sidechain uses EVM from the official Go-Ethereum codebase. Time, usage, and numerous extensive audits of EVM.
- [Staking](https://www.ankr.com/docs/scaling-services-sidechains/bnb-sidechain/staking/) — BNB Sidechain supports on-chain staking system and uses the PoSA (proof-of-stake-of-authority) staking model. It allows users to delegate their tokens to the.
- [What are Sidechains](https://www.ankr.com/docs/scaling-services-sidechains/overview/) — A sidechain is a separate blockchain that stems from the parent blockchain (Mainnet) and runs independent, in parallel to it. A sidechain is commonly attache.
- [Overview](https://www.ankr.com/docs/scaling-services-sidechains/polygon-supernets/overview/) — Polygon Supernets are a blockchain stack powered by Polygon Edge. You can also call it an ecosystem — a set of modules that work seamlessly together and add.

## ankr-forge

- [Ankr Forge for Partners: Launch a Campaign](https://www.ankr.com/docs/ankr-forge/for-partners/) — Launch a rewards campaign on Ankr Forge. Reach an on-chain audience across 80+ chains with a turnkey missions engine funded by real infrastructure revenue.
- [Ankr Forge Getting Started: Setup Guide](https://www.ankr.com/docs/ankr-forge/getting-started/) — Step-by-step setup guide for Ankr Forge: connect a wallet or social login, link social accounts, browse campaigns, and start missions to earn Forge Points.
- [Ankr Forge: $ANKR Rewards & Missions Overview](https://www.ankr.com/docs/ankr-forge/overview/) — Ankr Forge is Ankr's rewards platform that turns on-chain activity into Forge Points. Hold $ANKR, complete missions, and earn a share of partner reward drops.
- [Ankr Forge Points & Rewards: Drops Explained](https://www.ankr.com/docs/ankr-forge/points-and-rewards/) — How Ankr Forge Points and Forge Drops work: earn points per mission, hold $ANKR for eligibility, and claim a reward share proportional to your points.

## api-reference

- [Ankr Advanced API](https://www.ankr.com/docs/api-reference/aapi/ankr-advanced-api/) — **Ankr Advanced API** turns raw chain data into ready-made answers — NFTs, token balances and prices, transactions, and logs — across **20+ EVM chains** from a…
- [ankr_getAccountBalance](https://www.ankr.com/docs/api-reference/aapi/ankr-get-account-balance/) — Returns the **total native + ERC-20 balance** of a wallet across one or more supported EVM chains, with USD valuations computed by Ankr's pricing service. Each…
- [ankr_getBlockchainStats](https://www.ankr.com/docs/api-reference/aapi/ankr-get-blockchain-stats/) — Returns headline statistics for one or more chains: latest block number, average block time, total transactions and events since genesis, and the current nativ…
- [ankr_getBlocks](https://www.ankr.com/docs/api-reference/aapi/ankr-get-blocks/) — Returns details for the requested range of blocks on a single chain: header fields, the full transaction list (optional), and per-transaction logs (optional).…
- [ankr_getCurrencies](https://www.ankr.com/docs/api-reference/aapi/ankr-get-currencies/) — Returns the catalog of currencies (native coin + indexed ERC-20 tokens) for a single blockchain, including symbol, decimals, contract address, and a thumbnail…
- [ankr_getInteractions](https://www.ankr.com/docs/api-reference/aapi/ankr-get-interactions/) — Returns the set of supported blockchains on which the given address has any indexed activity — tokens, NFTs, or transactions. Useful for cross-chain wallet das…
- [ankr_getLogs](https://www.ankr.com/docs/api-reference/aapi/ankr-get-logs/) — Returns indexed contract logs (events) for the requested chain and block range. Standard `eth_getLogs` semantics, plus multi-chain dispatch, pagination, and op…
- [ankr_getNFTsByOwner](https://www.ankr.com/docs/api-reference/aapi/ankr-get-nf-ts-by-owner/) — Returns the NFTs owned by a wallet across one or more supported chains, with collection metadata, token IDs, image URLs, traits, and pagination cursors. Suppor…
- [ankr_getNFTHolders](https://www.ankr.com/docs/api-reference/aapi/ankr-get-nft-holders/) — Returns the list of wallet addresses that currently hold any token from the specified NFT collection. Useful for snapshotting an allowlist, computing distribut…
- [ankr_getNFTMetadata](https://www.ankr.com/docs/api-reference/aapi/ankr-get-nft-metadata/) — Returns full metadata for a single NFT (ERC-721, ERC-1155, ENS, or POAP) — collection info, contract type, traits, image URL, and tokenURI.
- [ankr_getNftTransfers](https://www.ankr.com/docs/api-reference/aapi/ankr-get-nft-transfers/) — Returns the on-chain history of NFT transfers in which the specified wallet(s) appear as sender or recipient. Each entry carries the contract, token ID, collec…
- [ankr_getTokenHoldersCount](https://www.ankr.com/docs/api-reference/aapi/ankr-get-token-holders-count/) — Returns the per-day count of unique holders for the specified ERC-20 token, along with the total token amount on-chain at each snapshot. Useful for charting di…
- [ankr_getTokenHolders](https://www.ankr.com/docs/api-reference/aapi/ankr-get-token-holders/) — Returns wallet addresses that hold the specified ERC-20 token, with each holder's human-readable balance and the raw integer balance (`value × 10^decimals`). H…
- [ankr_getTokenPrice](https://www.ankr.com/docs/api-reference/aapi/ankr-get-token-price/) — Returns Ankr's current USD price for the specified token. Pass a `contractAddress` for an ERC-20 token, or omit it to fetch the price of the chain's native coi…
- [ankr_getTokenTransfers](https://www.ankr.com/docs/api-reference/aapi/ankr-get-token-transfers/) — Returns ERC-20 transfer events in which the specified wallet(s) appear as sender or recipient. Each entry includes contract address, token symbol, decimals, ra…
- [ankr_getTransactionsByAddress](https://www.ankr.com/docs/api-reference/aapi/ankr-get-transactions-by-address/) — Returns transactions in which the specified wallet(s) appear as sender or recipient — with full transaction objects including gas, value, and (optionally) nest…
- [ankr_getTransactionsByHash](https://www.ankr.com/docs/api-reference/aapi/ankr-get-transactions-by-hash/) — Returns the transaction(s) matching a single hash. Optionally embeds logs and resolves method/event signatures to human-readable form.
- [Ankr API Reference](https://www.ankr.com/docs/api-reference/) — Ankr's API Reference — standard JSON-RPC across 80+ chains (Chain RPC API) plus enriched multichain NFT, token, and query data (Advanced API). One endpoint fam…

## trust

- [Trust & compliance](https://www.ankr.com/docs/trust/overview/) — Ankr security and compliance posture: SOC 2 Type II attestation (audited by A-LIGN, report under NDA), ISO 27001 roadmap, multi-region bare-metal infrastructur…