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Version: 2.0

Blockchain API

What is the Block API?​

The Blockchain API enables Web3 developers to quickly get data on specific blocks across multiple blockchains, in order to help them build and scale their dapps efficiently.

Block API Features​

The Blockchain API provides the following functionality out of the box to power the dapps you are building:

  • fetching the contents of a block given the block hash
  • fetching the closest block given the date

Plus so much more!

The Blockchain API is extremely flexible, meaning it can support a wide range of use cases, including:

  • Block Explorer
  • Transaction Monitoring
  • Log Explorers
  • Wallet Activity

Supported chains​

The Blockchain API supports multiple EVM chains:

NameChain Id (Int)Chain Id (Hex)EvmChainType
Ethereum Mainnet10x1EvmChain.ETHEREUMMainnet
Ethereum Holesky170000x4268EvmChain.HOLESKYTestnet
Ethereum Görli50x5EvmChain.GOERLITestnet
Ethereum Sepolia111551110xaa36a7EvmChain.SEPOLIATestnet
Polygon Mainnet1370x89EvmChain.POLYGONMainnet
Polygon Mumbai800010x13881EvmChain.MUMBAITestnet
Binance Smart Chain Mainnet560x38EvmChain.BSCMainnet
Binance Smart Chain Testnet970x61EvmChain.BSC_TESTNETTestnet
Avalanche C-Chain431140xa86aEvmChain.AVALANCHEMainnet
Fantom2500xfaEvmChain.FANTOMMainnet
Cronos Mainnet250x19EvmChain.CRONOSMainnet
Palm112971081090x2a15c308dEvmChain.PALMMainnet
Arbitrum421610xa4b1EvmChain.ARBITRUMMainnet
Gnosis1000x64EvmChain.GNOSISMainnet
Gnosis Chiado102000x27d8EvmChain.GNOSIS_TESTNETTestnet
Base84530x2105EvmChain.BASEMainnet
Base Goerli845310x14a33EvmChain.BASE_GOERLITestnet
Base Sepolia845320x14a34EvmChain.BASE_SEPOLIATestnet
Optimism100xaEvmChain.OPTIMISMMainnet