Endpoint URLs

An API key generated on Optimism Etherscan ​ can be used across all mainnet and testnet explorers.

Similarly, all endpoints and parameter formatting remain the same across testnet explorers, you are only required to change the relevant API endpoint URL as follows.

Network

URL

Documentation

Mainnet

https://api-optimistic.etherscan.io/api

https://docs.optimistic.etherscan.io/

Goerli

https://api-goerli-optimistic.etherscan.io/api

https://docs.optimistic.etherscan.io/v/optimistic-goerli-etherscan