Sei
type: WebAPI
description: Sei is a high-performance Layer 1 blockchain optimized for trading and decentralized exchange (DEX) applications. It is the first parallelized EVM blockchain, delivering sub-second block times (~400ms), 100 MGas/s throughput, and full Ethereum compatibility without code changes.
documentation: https://docs.sei.io
keywords: Blockchain
keywords: Layer 1
keywords: EVM
keywords: DeFi
keywords: DEX
keywords: Trading
keywords: Cosmos
keywords: Web3
provider: Sei Protocol
has API: Sei EVM JSON-RPC API
has API: Sei Cosmos REST API (LCD)

Sei EVM JSON-RPC API
type: WebAPI
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.
documentation: https://docs.sei.io/evm/reference
terms of service: https://docs.sei.io
category: EVM
category: JSON-RPC
category: Ethereum
category: Blockchain
category: Transactions
category: Smart Contracts

Sei Cosmos REST API (LCD)
type: WebAPI
description: Cosmos SDK REST API (Light Client Daemon / LCD) exposing HTTP endpoints for querying Sei blockchain state including bank balances and token supply, staking delegations and validator info, governance proposals, distribution rewards and commissions, minting parameters, IBC channels, and Sei-native DEX markets and orders.
documentation: https://docs.sei.io/cosmos-sdk/api
category: Cosmos
category: LCD
category: REST
category: Blockchain
category: Staking
category: Governance
category: DEX
category: Accounts