whatsapp.phone_not_registered

HTTP status	422
Area	WhatsApp (from Meta)
Problem type	https://docs.nexafone.so/errors/whatsapp.phone_not_registered

What the detail says

The detail explains the occurrence; it can read, for example:

• This WhatsApp number is not registered with the Cloud API.

Handling it

The request is well-formed but its values are not accepted; fix them before retrying.

Example

{
  "type": "https://docs.nexafone.so/errors/whatsapp.phone_not_registered",
  "title": "Unprocessable Entity",
  "status": 422,
  "code": "whatsapp.phone_not_registered",
  "detail": "This WhatsApp number is not registered with the Cloud API.",
  "requestId": "01J9Z8Q4TQ3W6M5V2X7Y8Z9A0B"
}

Match on code, never on detail: the wording may change. See Problem Details.