# Optimism Bridge (Standard Bridge)

**Canonical:** https://apis.io/apis/optimism/bridge/  
**Provider:** Optimism — https://apis.io/providers/optimism/  
**Base URL:** https://app.optimism.io/bridge  
**Documentation:** https://app.optimism.io/bridge

Optimism Bridge (Standard Bridge) is one of 10 APIs that [Optimism](https://apis.io/providers/optimism/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Bridge, Cross-Chain, and Canonical. The published artifact set on APIs.io includes API documentation.

Canonical cross-chain bridge for depositing and withdrawing ETH and ERC-20 tokens between Ethereum L1 and OP Mainnet, secured by the OP Stack StandardBridge contracts. Available as a hosted app and via the Superbridge / Brid.gg interfaces for the full Superchain.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.optimism.io/app-developers/bridging/standard-bridge
- **App** — https://app.optimism.io/bridge

## 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/)
- [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 Etherscan](https://apis.io/apis/optimism/etherscan-explorer/)
- [Optimism Blockscout](https://apis.io/apis/optimism/blockscout-explorer/)
- [Optimism JSON-RPC API](https://apis.io/apis/optimism/optimism-json-rpc-api/)

## Tags

Bridge, Cross-Chain, Canonical

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