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

# SquadAssist API Documentation

<CardGroup cols={2}>
  <Card title="Quick Start" icon="rocket" href="/quickstart">
    Make your first API call and get a player valuation in minutes.
  </Card>

  <Card title="Authentication" icon="key" href="/authentication">
    Learn how to authenticate with our API keys.
  </Card>

  <Card title="ROI analysis" icon="chart-line" href="/api-reference/valuation/roi-analysis">
    Understand how you can get SquadAssist's value predictions
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/overview">
    Explore every endpoint with request and response examples.
  </Card>
</CardGroup>

## Get started in three steps

<Steps>
  <Step title="Get an API key">
    Get an API key (if you don't have this yet: e-mail [hello@squadassist.ai](mailto:hello@squadassist.ai))
  </Step>

  <Step title="Query for your first player">
    Use `POST /query_player` to get a player based on an external ID 
  </Step>

  <Step title="Evaluate your first player">
    Call `/api/get_roi_analysis` with the retrieved SquadAssist player ID, club ID, and optional wage and transfer fee to get a full ROI breakdown in seconds.
  </Step>
</Steps>