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:
See the table below for all supported RPC Nodes. For wider chains we support across all products, check the full list of supported chains.
| Name | Type | Chain ID | EvmChain | chain Query Parameters |
|---|---|---|---|---|
 Ethereum Mainnet | Mainnet | 0x1 (1) | EvmChain.ETHEREUM |
|
| Ethereum Sepolia | Testnet | 0xaa36a7 (11155111) | EvmChain.SEPOLIA |
|
| Ethereum Holesky | Testnet | 0x4268 (17000) | EvmChain.HOLESKY |
|
 Polygon Mainnet | Mainnet | 0x89 (137) | EvmChain.POLYGON |
|
| Polygon Amoy | Testnet | 0x13882 (80002) | EvmChain.POLYGON_AMOY |
|
 Binance Smart Chain Mainnet | Mainnet | 0x38 (56) | EvmChain.BSC |
|
| Binance Smart Chain Testnet | Testnet | 0x61 (97) | EvmChain.BSC_TESTNET |
|
 Arbitrum | Mainnet | 0xa4b1 (42161) | EvmChain.ARBITRUM |
|
 Base | Mainnet | 0x2105 (8453) | EvmChain.BASE |
|
| Base Sepolia | Testnet | 0x14a34 (84532) | EvmChain.BASE_SEPOLIA |
|
 Optimism | Mainnet | 0xa (10) | EvmChain.OPTIMISM |
|
New  Linea | Mainnet | 0xe708 (59144) | EvmChain.LINEA |
|
New Linea Sepolia | Testnet | 0xe705 (59141) | EvmChain.LINEA_SEPOLIA |
|
 Avalanche | Mainnet | 0xa86a (43114) | EvmChain.AVALANCHE |
|
 Fantom Mainnet | Mainnet | 0xfa (250) | EvmChain.FANTOM |
|
 Cronos Mainnet | Mainnet | 0x19 (25) | EvmChain.CRONOS |
|
 Palm | Mainnet | 0x2a15c308d (11297108109) | EvmChain.PALM |
|
 Gnosis | Mainnet | 0x64 (100) | EvmChain.GNOSIS |
|
| Gnosis Chiado | Testnet | 0x27d8 (10200) | EvmChain.GNOSIS_TESTNET |
|
 Chiliz Mainnet | Mainnet | 0x15b38 (88888) | EvmChain.CHILIZ |
|
| Chiliz Testnet | Testnet | 0x15b32 (88882) | EvmChain.CHILIZ_TESTNET |
|
New  Moonbeam | Mainnet | 0x504 (1284) | EvmChain.MOONBEAM |
|
New Moonriver | Testnet | 0x505 (1285) | EvmChain.MOONRIVER |
|
New Moonbase | Testnet | 0x507 (1287) | EvmChain.MOONBASE |
|