Every request to the WhatsApp API needs to be authorized using an API Key authentication. Adding
D360-API-KEY in the header with your unique API Key as a value, is enough to gain permission.
Every API Key is connected with one phone number. We authenticate and choose the right WhatsApp Business Account and Number based on your
In order to look up the phone number assigned to a
D360-API-KEY, use the /phone_number endpoint.
See our documentation on how to how to retrieve an API Key.