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

# API Overview

> Quick guide to Graphor REST API endpoints

Graphor provides a suite of APIs for building intelligent document applications. Select the API that matches your needs:

## API Endpoints

<CardGroup cols={2}>
  <Card title="Data Ingestion (Sources)" icon="cloud-arrow-up" href="/api-reference/overview">
    Ingest documents (files, URLs, GitHub, YouTube), monitor status, and manage sources by file\_id.
  </Card>

  <Card title="Document Chat" icon="comments" href="/api-reference/chat-api">
    Ask questions about your documents using natural language.
  </Card>

  <Card title="Authentication" icon="key" href="/guides/api-tokens">
    Generate and manage API tokens for secure access.
  </Card>
</CardGroup>

## Which API do I need?

| Goal                                                   | API                                    |
| :----------------------------------------------------- | :------------------------------------- |
| **Ingest data** (files, URLs, GitHub, YouTube)         | [Sources API](/api-reference/overview) |
| **Process or reprocess documents** (partition methods) | [Sources API](/api-reference/overview) |
| **Chat with documents**                                | [Chat API](/api-reference/chat-api)    |