# SIGNUP_DOMAIN_NOT_ALLOWED: Sign-up is limited to approved email domains

> Sign-up on this deployment of Coho is open only to email addresses at approved domains.

Sent by the management API (403). The page: https://coho-cms.com/errors/signup-domain-not-allowed/

## What to do

Sign up with an address at an approved domain, or ask for an invitation.

## The response

```json
{
  "code": "SIGNUP_DOMAIN_NOT_ALLOWED",
  "type": "https://coho-cms.com/errors/signup-domain-not-allowed",
  "title": "Sign-up is limited to approved email domains",
  "status": 403,
  "detail": "What went wrong in this request, in a sentence.",
  "instance": "/v1/projects/…"
}
```

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