Welcome to 0x
0x allows builders to embed swaps in their onchain apps. Tap into aggregated liquidity from 130+ sources, across 15+ EVM chains with the most efficient trade execution. Our suite of APIs has processed over 60M+ million transactions and $154B+ in volume from more than 9+ million users trading on apps like Matcha.xyz, Coinbase Wallet, Robinhood Wallet, Phantom, MetaMask, Zerion, Zapper, and more.
See our list of supported chains.
New to 0x?
- We recommend starting off with an Introduction to 0x.
- Get started for free, visit the 0x Dashboard to create an account and get your live API keys.
Explore 0x APIs
🔄 Swap API
- Easily add crypto trading into your app with a single API. Access 100+ exchanges and thousands of tokens with the Swap API on the most popular networks
⛽ Gasless API
- Simplify defi with end-to-end gasless transactions. Abstract away the complexities of token approvals and gas with Gasless API.
📊 Trade Anlaytics API
- Gain actionable insights with programmatic access to historical trades executed via your apps using 0x Swap and Gasless APIs.
Liquidity Providers
🌊 Liquidity Providers
- Request to add your AMM or RFQ liquidity to the 0x API
Developer Resources
📚 Dev Resources
- 0x Cheat Sheet
- Supported Chains
- 0x Contracts
- Glossary
- Issues & Error Codes
- FAQs & Troubleshooting
- Access 0x Transaction Data
- Buy/Sell Tax Support
- Rate Limits
- System Status
💻 0x Dashboard
- Get started for free, visit the 0x Dashboard to create an account and get your live API keys.