Ethereum Blockchain Data Indexing API

Ethereum Quick Facts

Ethereum is a technology that's home to digital money, global payments, and applications. The community has built a booming digital economy, bold new ways for creators to earn online, and so much more. It's open to everyone, wherever you are in the world – all you need is the internet.

  1. Mainnet
  2. Ethereum Goerli Testnet
  3. Sepolia Testnet
Chain nameeth-mainnet
Chain ID1
Block explorerhttps://etherscan.io/
Blocktime12 seconds
Historical balances
NFT assets and metadata
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Query via SQL on Increment

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Network Status

Days
Weeks
Month
Year
- - -
Monthly Active Wallets
Unique wallets who transact on a monthly basis.
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Transactions
Unique transactions on a monthly basis.
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Active Tokens
Unique tokens active on a monthly basis.
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Code Samples

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

Get token balances for address

GET/v1/{chainName}/address/{walletAddress}/balances_v2/

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 Premium Supported Chains
Show Guides
  1. shell
  2. JavaScript
  3. ruby
  4. python
Request
curl -X GET https://api.covalenthq.com/v1/{chainName}/address/{walletAddress}/balances_v2/ \
    -H 'Content-Type: application/json' \
    -u YOUR_API_KEY: \
     # The colon prevents curl from asking for a password