Optimism Sepolia RPC Endpoint and API Service

Optimism’s Sepolia Testnet

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

Optimism’s Sepolia Testnet

Create RPC Endpoint

Optimism Sepolia 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

Optimism’s Sepolia Testnet

Additional Info

Project Website

Documentation

RPC API SERVICE

Reliable RPC endpoints with high rate limits

Powerful RPC request analytics

99.99% uptime

Connect via HTTPS or websocket

Decentralised servers hosted globally

Full archive access at no extra cost

PRICING

Calculate Your Costs

Only pay for what you need.

Monthly Response Units

Million Standard Requests

0100M200M300M400M

Total Cost

$49/ month

Recommended Plan: GROWTH

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Latest Optimism Sepolia Updates!

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API Service

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Optimism Sepolia RPC Endpoint and API Service

Optimism Sepolia 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.

RPC API Service

Additional Info

Reliable RPC endpoints with high rate limits

Powerful RPC request analytics

99.99% uptime

Connect via HTTPS or websocket

Decentralised servers hosted globally

Full archive access at no extra cost

Calculate Your Costs

Latest Optimism Sepolia Updates!

Never Worry about Infrastructure Again

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