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

# Corbado Observe and Connect API Reference

> Reference for the Corbado Observe and Corbado Connect APIs.

Choose the API for your product and task.

<CardGroup cols={2}>
  <Card title="Corbado Observe" icon="chart-line" href="/api-reference/observe/overview">
    Query authentication journeys, download exports, manage user-data requests and send server-side events.
  </Card>

  <Card title="Corbado Connect" icon="key" href="/api-reference/connect/overview">
    Create Connect tokens, verify passkey login results and administer users and passkeys.
  </Card>
</CardGroup>

| API | Caller | Authentication |
| - | - | - |
| Observe API | Your server or analysis tools | Observe API key with operation-specific permissions |
| Connect Backend API | Your server | Backend API key; HTTP Basic credentials are also supported |
| Connect Frontend API | Connect SDKs in web or native apps | Connect process token and action-specific Connect tokens where required |

For client-side integration, start with [SDKs](/sdks/overview). Observe event collection uses a separate project-scoped SDK transport and does not require a server API key in the application.


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