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Simplifies your web3 development process with seamless access to on-chain and off-chain data.

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What is Web3 API?

The Chainbase Web3 API is an API suite that simplifies your web3 development process with seamless access to on- and off-chain data. No matter what you’re building, our Web3 API will provide the necessary data support, including balance, transaction history, ownership, and price information.

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Web3 API Features

Chainbase lets you easily and instantly look up multi-chain, multi-asset balances, transfer history, prices, etc. No indexing is required!

Basic API

NFT API

Token API

Balance API

Domain API

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Built for Web3 Use Cases

The advanced feature set of our Web3 APIs means it can support use case, including:
  • NFT Marketplaces
  • Wallets
  • Block Explorers
  • DeFi portfolio Trackers
  • Analytics & Reporting
  • DAO Governance Tools
  • Gaming

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Supported Chains

We will continue to add support for new blockchains for Web3 API. If there is a chain that you wish to support but we do not, please let us know by reaching us.
ChainNetwork ID
Ethereum1
Polygon137
BSC56
Avalanche43114
Arbitrum One42161
Optimism10
Base8453
zkSync324
Merlin4200