Optimism RPC Endpoint and API Service

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

Connect to Optimism in seconds with OnFinality RPC endpoints, request analytics, scalable rate limits, and 99.99% uptime for production Web3 apps.

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

Create RPC Endpoint

Optimism RPC Endpoint

The below example uses the public API endpoint*. This endpoint is only suitable for testing. To avoid rate limiting and service interruption, sign up now to get your own API key.

* The public endpoint is rate limited

RPC API Service

RPC API Features

ArchiveTrace

RPC Regions

Hong KongFranceN.Virginia

Use OnFinality for Optimism RPC endpoints, Optimism API access, and reliable Ethereum L2 infrastructure. OnFinality supports teams looking for dependable Optimism RPC providers, low-cost node hosting options, and scalable endpoints for production dApps.

Fast, stable, scalable Ethereum.

Optimism is a fast, stable, and scalable L2 blockchain built by Ethereum developers, for Ethereum developers. Built as a minimal extension to existing Ethereum software, Optimism’s EVM-equivalent architecture scales your Ethereum apps without surprises. If it works on Ethereum, it works on Optimism at a fraction of the cost.

Optimism goes Superchain

The Superchain project seeks to maximize interoperability and composability between different chains using the OP Stack, and integrate siloed L2s into a single, cohesive layer.

Built for the public good.

Optimism is more than just a blockchain. It's an experiment in sustainable ecosystem funding fueled by protocol revenue. Retroactive Public Goods Funding is simple: you build for the public good, you get paid. Join us on Discord and help build the future of Ethereum, sustainably.