Advanced APIs Overview
Advanced APIs is a unique premium feature that can be added to the AppChains package.
Advanced APIs is a specifically-tailored collection of JSON-RPC API endpoints built to support the most popular Web3 scenarios on multiple chains at almost instant speeds.

Advanced APIs optimize, index, cache, and store blockchain data to make it access-ready for you. To make things even better, our Advanced APIs support querying several blockchains in a single request.
Chains Supported
Currently, Advanced APIs feature is implemented for the following chains:
- BAS Bomb Chain (Mainnet/Testnet)
- BAS Meta Apes Chain (Mainnet/Testnet)
API Methods Supported
Query our Advanced APIs for AppChains at the following URL:
https://rpc.chainscanner.xyz/multichain
Check out the latest Advanced APIs for various Web3 scenarios:
NFT API
NFT API Methods serve to request NFT-related data across multiple chains:
ankr_getNFTsByOwner
— retrieves an account-associated NFTs.ankr_getNFTMetadata
— retrieves metadata of a particular NFT.ankr_getNFTHolders
— retrieves holders of a particular NFT.ankr_getNftTransfers
— retrieves NFT transfers info of a particular address.
Query API
Query API Methods serve to request info on the ranges of blocks (max range is 100) for a full list of block metadata:
ankr_getBlocks
— retrieves full info of a particular block.ankr_getLogs
— retrieves history data of a particular block range.ankr_getTransactionsByHash
— retrieves the details of a transaction specified by hash.ankr_getTransactionsByAddress
— retrieves the details of a transaction specified by address.ankr_getBlockchainStats
— retrieves blockchain statistics.ankr_getInteractions
— retrieves blockchains interacted with a particular wallet.
Token API
Token API Methods serve to request token-related data across multiple chains:
ankr_getAccountBalance
— retrieves the balance of a particular account.ankr_getTokenHolders
— retrieves info on holders of a particular token.ankr_getTokenHoldersCount
— retrieves the number of token holders.ankr_getTokenTransfers
— retrieves token transfers info.