> ## Documentation Index
> Fetch the complete documentation index at: https://docs.utexo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Resources

> Base URLs and interactive API reference for Utexo Swap.

## Base URL

| API           | Base URL                                    |
| ------------- | ------------------------------------------- |
| Affiliate API | `https://api-swap.utexo.com/affiliate`      |
| Health check  | `https://api-swap.utexo.com/v1/system/live` |

All affiliate endpoints are versioned in the path, for example `POST /affiliate/v1/quotes/best`.

## Swagger

Explore available endpoints, request parameters, and response formats in the interactive API reference:

<CardGroup cols={2}>
  <Card title="Affiliate API (Swagger)" icon="code" href="https://affiliate-docs-swap.utexo.com/affiliate/docs/">
    Endpoints, schemas, and example requests for the affiliate API used by wallets, exchanges, and apps.
  </Card>

  <Card title="Resolver API (Swagger)" icon="code" href="https://docs-swap.utexo.com/docs/">
    Protocol API endpoints that resolvers call on Utexo.
  </Card>
</CardGroup>

## Code examples

The examples in this documentation call the REST API directly with `fetch` and sign approvals with standard chain libraries (viem, TronWeb, `@solana/web3.js`, or a Bitcoin wallet that supports `signPsbt`). No Utexo-specific client library is required.