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

# missing-key

> No API key was sent.

**Status 401.** No API key was sent.

The response is `application/problem+json`, and its `type` is
`https://docs.andteam.com/api/problems/missing-key`:

```json theme={null}
{
  "type": "https://docs.andteam.com/api/problems/missing-key",
  "title": "No API key was sent",
  "status": 401
}
```

## What it means

The request has no `Authorization: Bearer` header, or the header is not of that form.

## What to do

Send `Authorization: Bearer atk_live_…` on every request. See [Authentication](https://docs.andteam.com/authentication.md).

See [Errors](https://docs.andteam.com/errors.md) for every type.


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