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

# Authorization

> Authenticate CosVec API requests with bearer tokens.

## Bearer authentication

CosVec API requests require an API key issued by CosVec. Send the key as a bearer token in the `Authorization` header.

```http theme={null}
Authorization: Bearer <COSVEC_API_KEY>
```

<Warning>
  Keep API keys server-side. Do not expose credentials in browsers, mobile clients, or public repositories.
</Warning>