SEI

The only SEI
provider you’ll ever need

Build on SEI with the fastest RPC Nodes, a comprehensive library of web3 APIs, and the most performant blockchain ETL tools—all backed by enterprise-grade infrastructure.

Try free Contact sales

Trusted by the best

Battle-tested
infrastructure
for SEI builders

Providing performance and reliability at scale for the world's top businesses and onchain projects. Join them.

400 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 SEI,
all under one account

2 supported networks

Sei Pacific-1 Mainnet
Sei Atlantic-2 Testnet

// import the QuickNode SDK

import { Core } from '@quicknode/sdk'

// create a connection to your endpoint

const core = new Core({

endpointUrl: "https://docs-demo.quiknode.pro/",

})

// call the getBlockNumber method

core.client.getBlockNumber()

Reliable & scalable
RPC endpoints

Connect to SEI with one line of code and get unparalleled latency, reliability, and scalability.

Create an Endpoint Learn more about Core RPC

Webhook Received
Just now
{ "id": 27774258, "eventType": "transfer", "chain": "SEI", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }
Webhook Received
Just now
{ "id": 27774258, "eventType": "transfer", "chain": "SEI", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }
Webhook Received
Just now
{ "id": 27774258, "eventType": "transfer", "chain": "SEI", "timestamp": 1744984842549, "address": "0x57cfd5d72a6a2f72", "amount": "39.697", "token": "AAVE", "timeAgo": "45 min ago" }

Target live events

Stream live blockchain events with built-in transformation and reorg handling, delivering raw or filtered data instantly.

Coming soon to SEI

Learn more about alerts

Backfilling...

Historical backfills

Deliver raw or filtered historical blockchain data sequentially, with guaranteed delivery and flexible batching options.

Coming soon to SEI

Learn more about backfilling

Supercharge your dApp with add-on services

Integrate with add-on services and tools to enhance the functionality of your SEI application.

Browse all our add-ons

Featured

Crypto Market Data API

Get real-time, ultra-low latency data from over 350 exchanges with CoinAPI’s Market Data API, designed for seamless integration and robust support for advanced crypto trading and analytics.

Learn more about SEI,
and how to get started

Why build on SEI?

Sei is the first parallelized EVM. This allows Sei to get the best of Solana and Ethereum - a hyper optimized execution layer that benefits from the tooling and mindshare around the EVM.

Chain Metrics

Transaction Cost
$0.00026
Throughput
49.11 tps
User Activity
63.5K addr
Active Developers
29 devs
Total Value Locked
$150.1M

Doc

SEI RPC Docs

Get started with SEI RPC on quicknode.

The only SEI provider you’ll ever need