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Version: 2.0

Welcome to 0x

0x provides essential tools to create powerful Web3 apps, simplifying development by handling the complexity of multiple ecosystems, DEX protocols, and tokens.

Our integrated suite of APIs helps you quickly build, launch, and scale financial products across several EVM-compatible chains.

Get started for free, visit the 0x Dashboard to create an account and get your live API keys.


New to 0x?


Get Started Building

🏁 Getting Started

  • Set up a 0x account and get started building

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.

Liquidity Providers

🌊 Liquidity Providers

  • Request to add your AMM or RFQ liquidity to the 0x API

Developer Resources

📚 Dev Resources

💻 0x Dashboard

  • Get live API keys, create and manage your apps