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Learn moreThe only OP Mainnet
provider you’ll ever need
Build on OP Mainnet with the fastest RPC Nodes, a comprehensive library of Web3 APIs, and the most performant blockchain ETL tools—all backed by enterprise-grade infrastructure.
Battle tested infrastructure
for OP Mainnet builders
Providing performance and reliability at scale for the world's top businesses and onchain projects. Join them.
500 billion+
API requests handled monthly, we can handle any volume you need.
99.99%
Uptime SLA ensures you're only paying while we're online.
2.5x
Faster API response times than our competitors.
24/7
Access to our support team, Discord community, and docs.
Everything you need to build on OP Mainnet,
all under one account
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- Mainnet
- Sepolia Testnet
Reliable & scalable
RPC endpoints
Connect to OP Mainnet with one line of code and get unparalleled latency, reliability, and scalability.
Learn more about OP Mainnet,
and how to get started
Why build on OP Mainnet?
OP Mainnet is a Layer 2 scaling solution for Ethereum that uses optimistic rollups to increase transaction speed and reduce costs. It offers full EVM compatibility, enabling developers to deploy existing Ethereum smart contracts with minimal changes, thus enhancing scalability and user experience.
- Transaction Cost$0.02537
- // Webhook ReceivedJust now
{ "id": 27774258, "eventType": "transfer", "chain": "OP Mainnet", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }
- // Webhook ReceivedJust now
{ "id": 27774258, "eventType": "transfer", "chain": "OP Mainnet", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }
- // Webhook ReceivedJust now
{ "id": 27774258, "eventType": "transfer", "chain": "OP Mainnet", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }
- Mainnet
- Sepolia Testnet
Real-time webhooks
No-code Web3 webhooks with guaranteed delivery and built in re-org handling.
- Mainnet
- Sepolia Testnet
Historical Backfills
Deliver raw or filtered historical blockchain data sequentially, with guaranteed delivery and flexible batching options.
Supercharge your dApp with add-on services
Integrate with add-on services and tools to enhance the functionality of your OP Mainnet application.
OP Mainnet RPC Docs
Browse our robust documentation for all of our supported chains and learn how to call RPC methods using up-to-date libraries and code examples across Python, Ruby, JavaScript, and cURL.