API errors

number_registration_not_supported

Number registration is not available for the declared country.

422application/problem+json

What it means

Firsty submits registrations only to the national registries it supports, and the declared country is not one of them.

422 · application/problem+json

{
  "type": "https://developers.firsty.app/errors/number_registration_not_supported",
  "title": "Unprocessable entity",
  "status": 422,
  "detail": "Number registration is not supported for this country",
  "code": "number_registration_not_supported"
}

How to handle it

Do not retry. Leave out the registration for numbers of this country.

Errors reference