EVM Web3 Data API
What are the Web3 Data APIs?​
The Moralis Web3 Data APIs are a set of highly scalable APIs that solve popular Web3 challenges. By indexing blockchain data in a structured way, Moralis is able to expose APIs that make querying, fetching and understanding this data a breeze for developers.
Web3 Data API Features​
Moralis indexes all core aspects of blockchain data and provides access to this through a suite of data-focussed API endpoints. No matter what you are building, our Web3 Data API will support the data you will need; including Blocks, Transactions, NFTs, Tokens and Balance information.
- NFT Data: Fetch real-time NFT metadata, ownership data, NFT transfer data, NFT prices, and much more.
- Token Data: Seamlessly access real-time token price, ownership and transfer data.
- Transaction Data: Get detailed information for any user transaction. List past transactions, and stay up to date with your user's on-chain activity.
- Block Data: Get the contents of any block, including transactions, internal transactions, events and logs.
- Event & Log Data: Granular logs and events for specific wallets and contracts.
- DeFi Data: Out-of-the-box liquidity reserves and pair data across multiple blockchains.
Use Cases​
Our advanced feature set of Web3 Data APIs are best for those that are building crypto fintech applications, which includes:
- Wallet App
- Portfolio Trackers
- Block Explorers
- Audit & Reporting
- NFT Marketplace
- etc.
Supported Chains​
Moralis Web3 Data APIs are continuously adding new chains and integrations. Our current supported EVM chains include:
| Name | Chain id | EvmChain | Type |
|---|---|---|---|
| Ethereum Mainnet | 1 | EvmChain.ETHEREUM | Mainnet |
| Ethereum Ropsten (deprecated) | 3 | EvmChain.ROPSTEN | Testnet |
| Ethereum Rinkeby (deprecated) | 4 | EvmChain.RINKEBY | Testnet |
| Ethereum Görli | 5 | EvmChain.GOERLI | Testnet |
| Ethereum Kovan (deprecated) | 42 | EvmChain.KOVAN | Testnet |
| Ethereum Sepolia | 11155111 | EvmChain.SEPOLIA | Testnet |
| Polygon Mainnet | 137 | EvmChain.POLYGON | Mainnet |
| Polygon Mumbai | 80001 | EvmChain.MUMBAI | Testnet |
| Binance Smart Chain Mainnet | 56 | EvmChain.BSC | Mainnet |
| Binance Smart Chain Testnet | 97 | EvmChain.BSC_TESTNET | Testnet |
| Avalanche C-Chain | 43114 | EvmChain.AVALANCHE | Mainnet |
| Fantom | 250 | EvmChain.FANTOM | Mainnet |
| Cronos Mainnet | 25 | EvmChain.CRONOS | Mainnet |
| Palm | 11297108109 | EvmChain.PALM | Mainnet |
| Arbitrum | 42161 | EvmChain.ARBITRUM | Mainnet |