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

# Oso Cloud SDKs

> Welcome to the Oso Cloud SDK documentation.

## Supported Languages

| Language    | SDK Version |
| ----------- | ----------- |
| **Node.js** | v2.x        |
| **Python**  | v2.x        |
| **Go**      | v2.x        |
| **Java**    | v1.x        |
| **Ruby**    | v1.x        |
| **C#/.NET** | v1.x        |

<CardGroup cols={2}>
  <Card title="Install and Setup" icon="globe" href="/reference/sdks/install">
    Install the SDK and connect your application to Oso Cloud.
  </Card>

  <Card title="Policy Management" icon="file" href="/reference/sdks/policies">
    Deploy and manage authorization policies written in the Polar policy language.
  </Card>

  <Card title="Facts Management" icon="database" href="/reference/sdks/facts">
    Store and manage authorization data.
  </Card>

  <Card title="Authorization Checks" icon="shield-check" href="/reference/sdks/authorization-checks">
    Run authorization checks and build advanced queries.
  </Card>

  <Card title="Local Authorization" icon="house" href="/reference/sdks/local-authorization">
    Filter results in your database for faster authorization at scale.
  </Card>

  <Card title="Migration Guide" icon="arrow-right-arrow-left" href="/reference/sdks/migration-guide">
    Migrate from older SDK versions with language-specific instructions.
  </Card>

  <Card title="SDK Specific Guidance" icon="compass" href="/reference/sdks/sdk-specific-guidance">
    Use Oso SDKs with language-specific features and idioms.
  </Card>
</CardGroup>