> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.0x.org/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.0x.org/_mcp/server.

# 0x Docs

<h1>
  Welcome to 0x Docs
</h1>

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

<a href="/docs/introduction/quickstart/swap-tokens-with-0x-swap-api">
  Start building →
</a>

<a href="https://github.com/0xProject/0x-examples">
  Explore demo projects →
</a>

<img src="https://files.buildwithfern.com/0x.docs.buildwithfern.com/b7d5fccda93be39e8ee86cabc730ae373a68d15f10ffb16473b47d8e75f98b29/docs/assets/img/hero-home-new.svg" alt="" />

<img src="https://files.buildwithfern.com/0x.docs.buildwithfern.com/f5ad5d8138ac8b1f7a17177bdd60e6efd163b6be0c06cda157530bf579859047/docs/assets/img/hero-home-dark.svg" alt="" />

<h2>
  Explore 0x APIs
</h2>

#### [EVM Swap API](/evm/0x-swap-api/introduction)

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

#### [Solana Swap API](/svm/solana-swap-api/introduction)

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

#### [Cross-Chain API](/cross-chain/cross-chain-api/introduction)

Swap any token across any chain in one transaction.

#### [Gasless API](/evm/gasless-api/introduction)

Enable seamless, gasless DeFi transactions.

#### [Trade Analytics API](/evm/trade-analytics-api/introduction)

Track and analyze trades routed through 0x.

<h2>
  Quick Links
</h2>

#### [Build with AI](/docs/introduction/develop-with-ai/using-ai-with-0x)

Accelerate your 0x integration using AI tools

#### [Build with Swap API](/evm/0x-swap-api/guides/swap-tokens-with-0x-swap-api)

Get started with Swap API

#### [Code Examples](https://github.com/0xProject/0x-examples)

Ready-to-use 0x code examples

#### [Monetize your app](/evm/0x-swap-api/guides/monetize-your-app-using-swap)

Unlock new revenue streams with 0x

<h2>
  Release Highlights
</h2>

| Date       | Update                                                                                                                                              | API                   |
| ---------- | --------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------- |
| May 2026   | [Exact-out support — specify a precise `buyAmount` and get the minimum sell amount required](https://docs.0x.org/changelog#2026-05-31-new-features) | Swap API, Gasless API |
| May 2026   | [Concurrent gasless trades now supported for the same taker and sell token](https://docs.0x.org/changelog#2026-05-31-new-features)                  | Gasless API           |
| April 2026 | [New 0x Agent Skill for AI-powered integrations](https://docs.0x.org/changelog#2026-04-30-new-feature)                                              | All APIs              |
| April 2026 | [Sub-BPS slippage precision now supported](https://docs.0x.org/changelog#2026-04-30-new-feature)                                                    | Swap API, Gasless API |
| March 2026 | [Smart account signatures now supported](https://docs.0x.org/changelog#2026-04-13-new-features)                                                     | Gasless API           |
| March 2026 | [Fine-tuned native wrap/unwrap control via `wrapUnwrapMode`](https://docs.0x.org/changelog#2026-04-13-new-features)                                 | Swap API              |

<a href="/changelog">
  See all updates →
</a>

<h2>
  Resources
</h2>

#### [0x Cheat Sheet](/docs/core-concepts/0x-cheat-sheet)

Quick reference for supported chains and contract addresses

#### [Supported Chains](/docs/introduction/supported-chains)

Supported networks and liquidity provider information

#### [Rate Limits](/docs/developer-resources/rate-limits)

API rate limits and best practices for staying within them

#### [0x Dashboard](https://dashboard.0x.org)

Manage API keys and monitor usage

#### [0x System Status](https://0x.statuspal.io)

Real-time system status and performance updates

#### [Buy/Sell Tax Support](/evm/0x-swap-api/additional-topics/buy-sell-tax-support)

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

<h2>
  Need Help?
</h2>

#### [FAQ](/docs/introduction/faq)

Answers to common integration issues

#### [Support](/docs/introduction/need-help#-contact-developer-support-fastest-direct-help)

Contact the 0x developer support team