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

# Overview

This is an overview of common integrations supported in Refuel.

<CardGroup cols={2}>
  <Card title="LLM Providers" icon="square-1" href="/integrations/llm_providers">
    LLM Providers such as OpenAI and Anthropic
  </Card>

  <Card title="Cloud Storage" icon="square-2" href="/integrations/cloud_storage">
    Cloud storage locations such as AWS S3, GCS, Azure Blob Storage
  </Card>

  <Card title="Data Warehouses and Data Lakes" icon="square-3" href="/integrations/data_warehouses">
    Data Warehouses and data lakes such as Snowflake, BigQuery, Databricks
  </Card>

  <Card title="API Sources" icon="square-4" href="/integrations/api_sources">
    Custom APIs and internal knowledge bases
  </Card>
</CardGroup>