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 (Int) | Chain Id (Hex) | EvmChain | Type |
|---|---|---|---|---|
| Ethereum Mainnet | 1 | 0x1 | EvmChain.ETHEREUM | Mainnet |
| Ethereum Holesky | 17000 | 0x4268 | EvmChain.HOLESKY | Testnet |
| Ethereum Görli | 5 | 0x5 | EvmChain.GOERLI | Testnet |
| Ethereum Sepolia | 11155111 | 0xaa36a7 | EvmChain.SEPOLIA | Testnet |
| Polygon Mainnet | 137 | 0x89 | EvmChain.POLYGON | Mainnet |
| Polygon Mumbai | 80001 | 0x13881 | EvmChain.MUMBAI | Testnet |
| Binance Smart Chain Mainnet | 56 | 0x38 | EvmChain.BSC | Mainnet |
| Binance Smart Chain Testnet | 97 | 0x61 | EvmChain.BSC_TESTNET | Testnet |
| Avalanche C-Chain | 43114 | 0xa86a | EvmChain.AVALANCHE | Mainnet |
| Fantom | 250 | 0xfa | EvmChain.FANTOM | Mainnet |
| Cronos Mainnet | 25 | 0x19 | EvmChain.CRONOS | Mainnet |
| Palm | 11297108109 | 0x2a15c308d | EvmChain.PALM | Mainnet |
| Arbitrum | 42161 | 0xa4b1 | EvmChain.ARBITRUM | Mainnet |
| Gnosis | 100 | 0x64 | EvmChain.GNOSIS | Mainnet |
| Gnosis Chiado | 10200 | 0x27d8 | EvmChain.GNOSIS_TESTNET | Testnet |
| Base | 8453 | 0x2105 | EvmChain.BASE | Mainnet |
| Base Goerli | 84531 | 0x14a33 | EvmChain.BASE_GOERLI | Testnet |
| Base Sepolia | 84532 | 0x14a34 | EvmChain.BASE_SEPOLIA | Testnet |
| Optimism | 10 | 0xa | EvmChain.OPTIMISM | Mainnet |