***

title: Welcome to 0x
sidebarTitle: Welcome
---------------------

0x offers professional-grade APIs that aggregate and enable swaps at the best price on millions of tokens across 150+ DEXes on your favorite EVM-compatible chains. 0x is trusted by Coinbase, Matcha, Phantom, DefiLlama, Robinhood Wallet, and [many more](https://0x.org/case-studies).

See our list of [supported chains](/docs/introduction/supported-chains).

## New to 0x?

* We recommend starting off with an [Introduction to 0x](/docs/core-concepts/introduction-to-0x).
* Get started for free, visit the [0x Dashboard](https://dashboard.0x.org/) to create an account and get your live API keys.

## Explore 0x APIs[​](/docs/introduction/welcome#explore-0x-apis "Direct link to Explore 0x APIs")

<CardGroup>
  <Card title="Swap API" href="/docs/swap-api/introduction" icon="rotate">
    Easily add crypto trading with one API, accessing 150+ exchanges and thousands of tokens.
  </Card>

  <Card title="Gasless API" href="/docs/gasless-api/introduction" icon="gas-pump">
    Enable seamless DeFi transactions by abstracting gas and token approvals.
  </Card>

  <Card title="Trade Analytics API" href="/docs/trade-analytics-api/introduction" icon="chart-simple">
    Access actionable insights from historical trades executed through your apps.
  </Card>
</CardGroup>

## Liquidity Providers

<CardGroup>
  <Card title="Liquidity Providers" href="/liquidity-integration/liquidity-integrations" icon="water">
    Request to add your AMM, RFQ, or custom Uniswap v4 hook liquidity to the 0x.
  </Card>
</CardGroup>

## Developer Resources

<CardGroup cols={2}>
  <Card title="0x Cheat Sheet" href="https://0x.org/docs/core-concepts/0x-cheat-sheet" icon="file-lines" />

  <Card title="Supported Chains" href="https://0x.org/docs/developer-resources/supported-chains" icon="link" />

  <Card title="0x Contracts" href="https://0x.org/docs/developer-resources/core-concepts/contracts" icon="file-code" />

  <Card title="Glossary" href="https://0x.org/docs/developer-resources/core-concepts/glossary" icon="book-open" />

  <Card title="Issues & Error Codes" href="/docs/introduction/api-issues-error-codes" icon="triangle-exclamation" />

  <Card title="FAQs & Troubleshooting" href="/docs/introduction/faq" icon="circle-question" />

  <Card title="Access 0x Transaction Data" href="https://0x.org/docs/developer-resources/transaction-data" icon="database" />

  <Card title="Buy/Sell Tax Support" href="https://0x.org/docs/developer-resources/buy-sell-tax-support" icon="percent" />

  <Card title="Rate Limits" href="https://0x.org/docs/developer-resources/rate-limits" icon="gauge-high" />

  <Card title="System Status" href="https://0x.statuspal.io/" icon="heart-pulse" />
</CardGroup>

### 0x Dashboard

* Get started for free, visit the [0x Dashboard](https://dashboard.0x.org/) to create an account and get your live API keys.