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Sei builders need more than basic RPC. Quicknode runs the full surface: low-latency EVM JSON-RPC, mainnet archive with debug, and real-time Streams, all from one dashboard.
Query, subscribe, and stream Sei data with low latency. From a single eth_call to billions of rows of historical logs, you get the right interface for the job.
Six ways to access Sei data, from a single eth_call to billions of rows of queryable history. Pick the interface, ship faster.
Standard EVM JSON-RPC over HTTPS and WSS on Sei mainnet (chain ID 1329) and testnet (chain ID 1328). Every EVM method supported, including eth_call, eth_getLogs, eth_getBalance, eth_sendRawTransaction, and eth_subscribe. Cosmos and CosmWasm RPCs are deprecated.
Full historical state on Sei mainnet with no pruning, so you can read any past block or balance. Sei testnet is pruned to recent state.
Backfill and real-time Sei blocks, logs, and traces delivered to your datastore with guaranteed reliability. Filter upstream, receive only the data you actually need.
具備傳送保證、重試機制及內建重組處理功能的事件驅動式警示。訂閱特定地址、合約事件或鏈上條件，並即時做出反應。
Inspect Sei EVM execution with debug_traceTransaction and debug_traceBlockByNumber. Debug contracts against live mainnet state.
Subscribe to new blocks, logs, and pending transactions over a persistent WSS connection with eth_subscribe. Push updates the moment they land, with no polling.
Sei is EVM compatible, so the tooling you already know works unchanged. ethers.js, web3.js, viem, and web3.py all hit a Quicknode Sei endpoint the same way they hit Ethereum. Same methods, same SDK, just a different RPC URL and chain ID 1329.
Point your existing Ethereum codebase at a Quicknode Sei endpoint and deploy. Contracts, libraries, and tooling carry over.
eth_call, eth_getLogs, eth_sendRawTransaction, and eth_subscribe all behave exactly as they do on Ethereum.
// Your Ethereum code, pointed at Seiimport { createPublicClient, http } from "viem";import { sei } from "viem/chains";const client = createPublicClient({chain: sei,transport: http(QUICKNODE_SEI_URL)});const block = await client.getBlockNumber();// Same methods, same SDK. Just chain ID 1329.
Open MetaMask, go to Settings, Networks, Add Network, and enter your Quicknode Sei RPC URL with the details on the right. Save, and MetaMask routes through your private Quicknode endpoint instead of a rate-limited public RPC.
Docs, guides, and runnable sample apps for every Sei workload. Clone, customize, and ship.
Full reference for the Sei EVM JSON-RPC, Cosmos RPC, WebSocket subscriptions, and the debug and trace namespaces. Code examples for @quicknode/sdk, ethers.js, web3.js, and viem.
Indexes token transfers on an EVM chain using Quicknode Streams and delivers them to your own datastore and API. Works unchanged on Sei.
Runnable sample apps and starter kits across Quicknode-supported chains, including Sei. Clone one and ship.
From your first SEI endpoint to mission-critical production workloads, Quicknode scales with you. Get started in minutes.
Spin up your SEI endpoint and ship. The free tier covers prototyping and small production loads, no credit card required.
Dedicated SEI infrastructure, contractual SLAs, priority support, and procurement-ready terms for wallets, exchanges, trading firms, and high-volume protocols.
"As we scaled into thousands of RPS, we needed infrastructure that wouldn't throttle the real-time experience. Quicknode delivered that predictability."Ren Yu, Growth Lead @ fomo
常見問題
Still have unanswered questions? Reach out to support and the Quicknode team can help you find answers.
Land transactions on the same Quicknode account. The Ethereum toolchain you already know works unchanged on Sei EVM, chain ID 1329.