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

# Introduction

The following is a list of publicly available APIs you can use with the [Traceloop platform](https://app.traceloop.com).

All APIs require an API key to be used for authentication.

## Authentication

Use your API key as a Bearer token in the `Authorization` header:

```bash theme={null}
Authorization: Bearer YOUR_API_KEY
```

<Tip>
  The same API key you use to send traces to Traceloop can be used to query your data via the API.
</Tip>

<Note>
  **To generate an API key:**

  1. [Sign up](https://app.traceloop.com) for a Traceloop account if you haven't already
  2. Go to [Settings → Organization](https://app.traceloop.com/settings/api-keys)
  3. Select a project and environment
  4. Click **Generate API key** and copy it immediately

  [Detailed instructions →](/settings/managing-api-keys)
</Note>