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Sei RPC

With Quicknode, you get access to our global Sei network which always routes your API requests to the nearest available location, ensuring low latency and the fastest speeds.

Seiの概要

Sei is a high-performance Layer 1 blockchain with a focus on speed and efficiency to achieve a Web2-like experience. It runs transactions in parallel and uses an efficient consensus design to handle up to 200,000 TPS, with finality under 400 ms. It's fully EVM-compatible and processes transactions at sub-cent costs.

Interacting With Sei APIs

Sei exposes Ethereum-compatible JSON-RPC methods that allow developers to interact with the network programmatically. You can query blockchain state, send transactions, deploy and interact with smart contracts, and subscribe to real-time events via WebSocket.

You can connect by running your own node or by using a hosted provider such as Quicknode, which offers reliable, low-latency access without the need to manage infrastructure.

The Quicknode Sei documentation is continuously updated, but we recommend cross-referencing with the official Sei documentation for the latest API details.

Make Sei API Calls

The quickest way to start building on Sei is to create a Quicknode endpoint and send your first request. Quicknode provides managed Sei endpoints, offering:

  • 高い信頼性 — ダウンタイムを最小限に抑えるよう設計された、世界中に分散したインフラストラクチャ
  • パフォーマンスの向上 — 実運用レベルのアプリ向けに、レイテンシとリクエスト処理を最適化

クイックスタート」ページにアクセスして、エンドポイントを作成し、最初のリクエストを送信してください。

対応ネットワーク

Quicknode provides access to the following Sei networks:

メインネット
種類:制作
チェーンID:
1329
HTTP:
WSS:
アーカイブ:はい
剪定:なし
テストネット
タイプ:テストネット
チェーンID:
1328
HTTP:
WSS:
アーカイブ:なし
Pruning:3240000 blocks
アーカイブデータの可用性

Quicknode's Sei Pacific endpoints provide full archive data access starting from block height 1 (genesis).

For blocks >= 78309999: 「」を使用してください x-cosmos-block-height REST APIのリクエストではヘッダーを指定するか、Tendermint APIのリクエストではheightパラメータを指定してください:

Cosmos REST API の例:

curl --location 'https://docs-demo.sei-pacific.quiknode.pro/cosmos/distribution/v1beta1/delegators/sei1xyp8xxely9txewfe7nes2nxrzr0qyrfghrj5cs/rewards' \
--header 'x-cosmos-block-height: 78309999'

Tendermint API の例:

curl --location 'https://docs-demo.sei-pacific.quiknode.pro/block?height=78309999'

For Sei EVM methods: No special headers are required. The earliest block number for EVM methods is 79123881 (Sei V2 upgrade block).

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