EVM chain

Sei EVM — RPC URL, Chain ID, and Wallet Setup

Sei EVM mainnet has chain ID 1329 and uses SEI as its native currency. The official EVM RPC URL is https://evm-rpc.sei-apis.com, documentation lives at docs.sei.io, and the block explorer is seitrace.com.

Chain ID 1329Native SEIMainnetVerified 2026-05-15

Quick reference

Copy paste ready values. Verified on 2026-05-15.

Chain name: Sei EVM
Chain ID: 1329 (hex 0x531)
Network type: Mainnet
Native currency: Sei (SEI) — 18 decimals
Recommended public RPC: https://evm-rpc.sei-apis.com
Block explorer: https://seitrace.com
Official docs: https://docs.sei.io/
Last verified: 2026-05-15

Add Sei to MetaMask

One click for injected wallets, or paste the JSON into the manual Add Network form.

{
  "chainIdHex": "0x531",
  "chainName": "Sei",
  "nativeCurrency": {
    "name": "Sei",
    "symbol": "SEI",
    "decimals": 18
  },
  "rpcUrls": [
    "https://evm-rpc.sei-apis.com"
  ],
  "blockExplorerUrls": [
    "https://seitrace.com"
  ]
}

Manual steps (no injected wallet)

Open MetaMask, click the network dropdown, then Add Network.
Click "Add a network manually".
Network name: Sei.
New RPC URL: https://evm-rpc.sei-apis.com.
Chain ID: 1329.
Currency symbol: SEI.
Block explorer URL: https://seitrace.com.
Save and switch.

Free / public RPC URLs

Public RPC URLs for Sei EVM

These endpoints are free, anonymous, and rate limited. They are useful for development, wallet reads, and one off scripts. For production traffic or indexer workloads, pair them with a paid provider so the public list becomes your fallback rather than your primary.

RPC URL	Hosted by	Notes
https://evm-rpc.sei-apis.com	Sei Foundation	Recommended in official docs.
https://sei.drpc.org	dRPC

Paid RPC providers

Paid RPC providers for Sei EVM

Production dapps, indexers, and trading systems should use a managed provider with a private API key, archive history, and an SLA. These providers list Sei EVM support on their public pricing pages.

QuickNode
Globally distributed RPC across 50+ chains.
Free tier: Seven day free trial with full feature access.
dRPC
Decentralised RPC across 100+ chains.
Free tier: Free public endpoints per chain plus a generous metered free tier.

Compare every paid RPC provider →

Block explorers and docs

Sei EVM explorers and documentation

SeiTrace — https://seitrace.comEIP 3091
Official documentation — https://docs.sei.io/

When the answer is real

Caveats and things to verify

Sei has both a Cosmos SDK side and an EVM side. Chain ID 1329 refers to the EVM execution layer. Cosmos clients use the string chain id pacific-1.

FAQ

Frequently asked questions

What is the Sei EVM chain ID?

Sei EVM mainnet chain ID is 1329 (hex 0x531). The Cosmos side uses string chain id pacific-1, which is not interchangeable with the EVM numeric id.

Sources

Sei docs — EVM — https://docs.sei.io/evm/networks

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