API Reference

API Endpoints

API Endpoints

URLDescription
api.chain49.com/{blockchain}Blockbook HTTP API
api.chain49.com/{blockchain}/websocketBlockbook Websocket API
api.chain49.com/{blockchain}/rpcJSON-RPC (Alias for rpc.chain49.com)
rpc.chain49.com/{blockchain}JSON-RPC

Available Blockchains

You can always get a current overview of all available blockchains by making an API request without specifying any path parameters: https://api.chain49.com/ (API key is required)

These are all the blockchains we currently support, with their IDs which you specify in the request URL:

Mainnets

Blockchain NameBlockchain IDBlockbook API available?*
Bitcoinbitcoin
Ethereumethereum
BNB Smart Chainbsc
Dogecoindogecoin
Litecoinlitecoin
Bitcoin Cashbcash
Zcashzcash
Dashdash
Cardanocardano
XRP Ledgerxrp
Moneromonero
Polygon PoSpolygon
Gnosisgnosis

Testnets

Blockchain NameBlockchain IDBlockbook API available?*
Bitcoin Testnetbitcoin-testnet
Bitcoin Signetbitcoin-signet
Ethereum Goerliethereum-goerli
Ethereum Sepoliaethereum-sepolia
Dogecoin Testnetdogecoin-testnet
Litecoin Testnetlitecoin-testnet
Bitcoin Cash Testnetbcash-testnet
Zcash Testnetzcash-testnet
Dash Testnetdash-testnet
Cardano Pre-Prodcardano-preprod
Cardano Previewcardano-preview
Polygon Mumbaipolygon-mumbai
Gnosis Chiadognosis-chiado

*) If Blockbook is not available then the blockchain can only be accessed directly via JSON-RPC. (The URL alias api.chain49.com/{blockchain}/rpc still works for these chains)