This will allow you to have a specific number go to a specific URL instead of all numbers going to the same URL.
token (string, required)
did_id (int, required)
url (string, required)
Info: Set an SMS URL specific to a phone number. This will override the account-wide SMS URL, messages will be delivered to this URL instead of the account-wide URL
Note: did_id can be obtained from the "List Detail on Specific #" at the URL https://apiv1.teleapi.net/user/dids/get?token=xxxx&number=3035551212