# Optimism Etherscan

**Canonical:** https://apis.io/apis/optimism/etherscan-explorer/  
**Provider:** Optimism — https://apis.io/providers/optimism/  
**Base URL:** https://api-optimistic.etherscan.io/api  
**Documentation:** https://optimistic.etherscan.io

Optimism Etherscan is one of 10 APIs that [Optimism](https://apis.io/providers/optimism/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Block Explorer and Etherscan. The published artifact set on APIs.io includes API documentation.

Etherscan-family block explorer for OP Mainnet and OP Sepolia with REST API access for contracts, transactions, and addresses.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.optimism.etherscan.io
- **Website** — https://optimistic.etherscan.io

## Other Optimism APIs (9)

- [OP Mainnet JSON-RPC](https://apis.io/apis/optimism/mainnet-rpc/)
- [OP Sepolia JSON-RPC](https://apis.io/apis/optimism/sepolia-rpc/)
- [Optimism Bridge (Standard Bridge)](https://apis.io/apis/optimism/bridge/)
- [OP Stack](https://apis.io/apis/optimism/op-stack/)
- [Superchain Registry](https://apis.io/apis/optimism/superchain-registry/)
- [Optimism SDK (Viem extension)](https://apis.io/apis/optimism/viem-sdk/)
- [Supersim](https://apis.io/apis/optimism/supersim/)
- [Optimism Blockscout](https://apis.io/apis/optimism/blockscout-explorer/)
- [Optimism JSON-RPC API](https://apis.io/apis/optimism/optimism-json-rpc-api/)

## Tags

Block Explorer, Etherscan

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/optimism/etherscan-explorer/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/optimism/.