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

# Authentication

## API Keys

Overflow authenticates requests with header-based API keys. Contact Overflow developers to manage your API credentials.

| Header        | Example                                | Purpose           |
| :------------ | :------------------------------------- | :---------------- |
| `x-client-id` | `c77c8d57-7e1c-4a7e-ad46-e756e5f8dabd` | Public identifier |
| `x-api-key`   | `31d1467ffa4262cf71b1a600f2d8a425`     | Secret key        |

<Note>
  The credentials are intended to be used server-side and shouldn’t be exposed in client-side code, public repos, or logs.
</Note>