Welcome to 0x Docs

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

Start building →

Explore demo projects →

Explore 0x APIs

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

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

Swap any token across any chain in one transaction.

Enable seamless, gasless DeFi transactions.

Track and analyze trades routed through 0x.

Accelerate your 0x integration using AI tools

Get started with Swap API

Ready-to-use 0x code examples

Unlock new revenue streams with 0x

Date	Update	API
October 2026	Bitcoin is now supported for cross-chain swaps	Cross-Chain API
October 2026	Fees and trade surplus can now be set in parts-per-million	Swap API, Gasless API, Cross-Chain API
September 2026	Arc (`5042`) is now supported across all three APIs	Swap API, Gasless API, Cross-Chain API