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Optimism Blockchain Data Indexing API

Optimism Quick Facts

Optimism is a low-cost and lightning-fast Ethereum L2 blockchain.

  1. Mainnet
Chain nameoptimism-mainnet
Chain ID10
Block explorerhttps://optimistic.etherscan.io/
Blocktime2 seconds
Historical balances
NFT assets and metadata
Premium Endpoints
Premium Balances
Premium Transactions
Premium Log Events
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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Powered by Increment.

Code Samples

  1. Token Balances
  2. Transaction History
  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.

  1. shell
  2. JavaScript
  3. ruby
  4. python
Request
curl --request GET 
     --url https://api.covalenthq.com/v1/{chainName}/address/{walletAddress}/balances_v2/ 
     --header 'accept: application/json' 
     --header 'x-api-key: demo'