# CHECK CONTACT DATA

Checks if the given contact data is already in use.

Endpoint: POST /api/v1/requests/check_contact_data_limits/
Version: v1

## Request fields (*/*):

  - `registration_authority` (number)
    Registration authority number where the contact data it's going to be consulted.

  - `serial_number` (string)
    Serial number to check

  - `email` (string)
    Email address to check

  - `mobile_phone_number` (string)
    Mobile phone number to check

## Response 200 fields (application/json):

  - `reason` (string)
    Response reason

  - `result` (string)
    Response result

  - `registration_authority` (number)
    Registration authority checked