Sei

Sei EVM JSON-RPC API

Ethereum-compatible JSON-RPC API for interacting with Sei's EVM layer. Supports standard Ethereum methods for sending transactions, querying account balances and code, retrieving block and transaction data, managing log filters, estimating gas, and tracing transaction execution. Also includes Sei-specific extensions for cross-VM address resolution and synthetic transaction lookups. The public mainnet endpoint is rate-limited to 15 requests per second; dedicated endpoints are available through infrastructure providers for production workloads.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/sei-evm-json-rpc-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
aid: sei:sei-evm-json-rpc-api
name: Sei EVM JSON-RPC API
description: Ethereum-compatible JSON-RPC API for interacting with Sei's EVM layer. Supports standard
  Ethereum methods for sending transactions, querying account balances and code, retrieving block and
  transaction data, managing log filters, estimating gas, and tracing transaction execution. Also includes
  Sei-specific extensions for cross-VM address resolution and synthetic transaction lookups. The public
  mainnet endpoint is rate-limited to 15 requests per second; dedicated endpoints are available through
  infrastructure providers for production workloads.
humanURL: https://docs.sei.io/evm/reference
baseURL: https://evm-rpc.sei-apis.com
tags:
- EVM
- JSON-RPC
- Ethereum
- Blockchain
- Transaction
- Smart Contracts
tags_raw:
- EVM
- JSON-RPC
- Ethereum
- Blockchain
- Transactions
- Smart Contracts
properties:
- type: Documentation
  url: https://docs.sei.io/evm/reference
- type: GettingStarted
  url: https://docs.sei.io
- type: RateLimits
  url: rate-limits/sei-evm-json-rpc-api-rate-limits.yml
- type: JSONLD
  url: json-ld/sei.jsonld
- type: Vocabulary
  url: vocabulary/sei-vocabulary.yml
contact:
- type: GitHub
  url: https://github.com/sei-protocol/sei-chain
- type: Discord
  url: https://discord.gg/sei