Orderbook API

Ship gas-efficient limit order trading.

Supported Chains 12
Abstract illustration for 1inch API product features

Advanced limit orders

Access limit orders with flexible tools and gas-optimized execution across networks.
Flexible order flow Gas-efficient execution Support for multiple token standards
Set predicates, cancel orders in bulk or individually, run fullness checks and validate orders before execution.

Orderbook API supports 12 chains.

Ethereum
BNB Chain
Polygon
Optimism
Arbitrum
Gnosis
Avalanche
ZKsync
Base
Linea
Unichain
Sonic

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Documentation

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Authentication

API Key or OAuth 2.1

Authenticate with a simple API key, or choose OAuth 2.1 with PKCE for rotating tokens, browser-based consent, and zero shared secrets.
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