Skip to navigation
Introduction

0x Docs

View as Markdown

Welcome to 0x Docs

The trading API for every chain. Liquidity from 150+ sources across EVM, Solana, Tron, and HyperCore — one integration, everywhere.

Explore 0x APIs

EVM Swap API

Embed token swaps on any EVM chain. Aggregated liquidity from 150+ sources.

SolanaSolana
Solana Swap API

Native Solana support. Fast, low-cost token swaps with deep SPL token liquidity.

Cross-Chain API

Swap any token across any chain in one transaction.

Gasless API

Enable seamless, gasless DeFi transactions.

Trade Analytics API

Track and analyze trades routed through 0x.

Build with AI

Accelerate your 0x integration using AI tools

Build with Swap API

Get started with Swap API

Code Examples

Ready-to-use 0x code examples

Monetize your app

Unlock new revenue streams with 0x

Release Highlights

DateUpdateAPI
September 2026Arc (5042) is now supported across all three APIsSwap API, Gasless API, Cross-Chain API
August 2026ERC-7597 permits now supported for gasless approvalsGasless API
August 2026Across V4 no longer serves Solana or HyperCore routesCross-Chain API

See all updates →

Resources

0x Cheat Sheet

Quick reference for supported chains and contract addresses

Supported Chains

Supported networks and liquidity provider information

Rate Limits

API rate limits and best practices for staying within them

0x Dashboard

Manage API keys and monitor usage

0x System Status

Real-time system status and performance updates

Buy/Sell Tax Support

Real-time detection and calculation for token buy/sell taxes

Need Help?

FAQ

Answers to common integration issues

Support

Contact the 0x developer support team