# OP Stack

**Canonical:** https://apis.io/apis/optimism/op-stack/  
**Provider:** Optimism — https://apis.io/providers/optimism/  
**Base URL:** https://github.com/ethereum-optimism/optimism  
**Documentation:** https://stack.optimism.io

OP Stack is one of 10 APIs that [Optimism](https://apis.io/providers/optimism/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include OP Stack, Rollup, and Open-Source. The published artifact set on APIs.io includes API documentation.

Open-source, modular Ethereum L2 rollup stack. The monorepo at github.com/ethereum-optimism/optimism contains op-geth (execution), op-node (consensus), op-batcher, op-proposer, op-challenger, op-deployer, op-validator, and fault-proof system used to launch and operate Superchain rollups.

## Machine-readable artifacts (3)

- **Documentation** — https://docs.optimism.io/stack/getting-started
- **Repository** — https://github.com/ethereum-optimism/optimism
- **Specs** — https://specs.optimism.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/)
- [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

OP Stack, Rollup, Open-Source

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