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

# YouRouter API Documentation

> Integrate many AI models through one OpenAI-compatible API.

## API Integration

Connect your application to YouRouter with a standard HTTPS API, bearer token authentication, and OpenAI-compatible model calls.

<Card title="API Quickstart" icon="rocket" href="/quickstart" horizontal>
  Set your API key, send a test request, and verify the response shape.
</Card>

## Integration References

<Columns cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Complete the shortest path to a working API request.
  </Card>

  <Card title="Models" icon="sparkles" href="/model">
    Choose model IDs and switch model families through the same API shape.
  </Card>

  <Card title="Chat Completions" icon="message" href="/guides/chat-completions">
    Call chat models, stream responses, pass tools, and handle multimodal input.
  </Card>

  <Card title="Multimodal" icon="image" href="/guides/multimodal">
    Send image inputs, call native multimodal APIs, and create video tasks.
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/introduction">
    Review endpoints, parameters, headers, and response formats.
  </Card>

  <Card title="Routing" icon="route" href="/guides/router">
    Use automatic provider routing or pin requests with the `vendor` header.
  </Card>
</Columns>

## Feature References

<Columns cols={2}>
  <Card title="Request Forwarding" icon="arrow-right-left" href="/features/request-forwarding">
    Learn how YouRouter forwards request bodies and custom parameters to upstream providers.
  </Card>

  <Card title="Zero Completion Insurance" icon="shield-check" href="/features/zero-completion-insurance">
    Review the protection rules for failed requests and empty responses.
  </Card>

  <Card title="Service Availability & Model Consistency" icon="badge-check" href="/features/service-availability-and-model-consistency">
    Understand automatic routing, pinned providers, consistency checks, and compensation policy.
  </Card>

  <Card title="Data Tracing Specification" icon="radar" href="/features/data-tracing-specification">
    See how Trace IDs work and how to query Tencent Cloud APM.
  </Card>
</Columns>

<Note>
  Base URL: `https://api.yourouter.ai/v1`
</Note>