Lets you assign a messaging callback URL to a specific long code or toll-free phone number in your account for POST notifications of inbound SMS or MMS messages, or delivery receipts (DLRs) of SMS messages you have sent from that number.
- Make sure to assign a publicly accessible URL for your messaging callback service.
- You can enable the DLR (Delivery Receipt) Callback Service for outgoing SMS messages from your Flowroute long code or toll-free phone number. This is not possible for outgoing MMS messages.
The phone number to be associated with the messaging callback URL.
Callback type to be associated with the specified phone number. Possible values are sms_callback, mms_callback, and dlr_callback.
The callback URL to be assigned to your longcode or toll-free number. For example, if you specify 18331231234 and dlr_callback as path parameters, the value that you set this field to will be the URL associated with the outbound SMS DLR callback service for 18331231234. To learn more about Flowroute's DLR callback service, see Receive an SMS DLR.