Introduction
What is OKX OS
Preparation
Supported Networks
Wallet API
Introduction
Quick Start
On-Chain Information Query
Wallet Account Management
Transaction Broadcasting
Signing SDK
Resources
DEX API
Introduction
Quick start
Build swap applications
Build bridge applications
Build limit order applications
Swap API
Cross-chain API
Limit order API
DEX Widget
Marketplace API
Introduction
Runes API
Market API
BTC Ordinals API
Fractal Ordinals API
Error codes
DeFi API
Introduction
Quickstart
API reference
Error code
More resources
General specificationApply to display DAppsApp Universal LinkChangelogOKX Web3 Build User Agreement
DEX API

Quick start#

Before using the DEX API, you need to create a project and generate an API key in the developer portal. The detailed steps and related resources are as follows:

Build swap applications on the EVM network
Quick guide for swap API
Build swap applications on Solana
Build swap applications on Solana
Build bridge applications
Quick guide for cross-chain API
Build limit order applications
Quick guide for limit order API