Ethereum Blockchain Data Indexing API

Ethereum Quick Facts

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  1. Mainnet
  2. Ethereum Goerli Testnet
  3. Sepolia Testnet
Chain name
Chain ID
Block explorer
Blocktime12 seconds
Historical balances
NFT assets and metadata
Query via SQL on Increment
Integration Stage{"stagesupport":[{"classA":true,"classB":true,"classC":true,"humanDecodedTransactions":true,"nftAssetAndMetadataCache":true,"tokenHolders":true,"traces":false}],"stage":"5"}

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Ethereum Block Explorer

Analyze transactions, addresses, and smart contracts on the Ethereum blockchain explorer.

Network Status

- - -
Monthly Active Wallets
Unique wallets who transact on a monthly basis.
Unique transactions on a monthly basis.
Active Tokens
Unique tokens active on a monthly basis.
Powered by Increment.

Code Samples

  1. Token Balances
  2. Transactions
  3. Portfolio
  4. Get a block

Get token balances for address


Commonly used to fetch the native, fungible (ERC20), and non-fungible (ERC721 & ERC1155) tokens held by an address. Response includes spot prices and other metadata.

Each API Call Currently Costs: 1.00 Credits.

Show Guides
  1. TypeScript
  2. python
  3. ruby
  4. shell
npm install @covalenthq/client-sdk
import { Client } from "@covalenthq/client-sdk";

const ApiServices = async () => {
    const client = new Client("YOUR_API_KEY");
    const resp = await client.BalanceService.getTokenBalancesForWalletAddress(, {});