# KEY_REQUIRED: Delivery key required

> This environment serves its content only to callers that present a delivery key, and none was sent.

Sent by the delivery API (401). The page: https://coho-cms.com/errors/key-required/

## What to do

Send a key made for this environment, with `coho key create --ref <environment>`, as a bearer token.

## The response

```json
{
  "code": "KEY_REQUIRED",
  "type": "https://coho-cms.com/errors/key-required",
  "title": "Delivery key required",
  "status": 401,
  "detail": "What went wrong in this request, in a sentence."
}
```

Every error code: https://coho-cms.com/errors/