Lets you assign a callback URL for POST notifications of inbound SMS or MMS messages to your Flowroute long code or toll-free phone number, or delivery receipts (DLRs) of SMS messages that you have sent from your Flowroute long code or toll-free number.
- Make sure to assign a publicly accessible URL for your 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.
Callback type to be associated with the account. Possible values are sms_callback, mms_callback, and dlr_callback.
The callback URL for your specified callback type. For example, if you specify sms_callback as a path parameter, the value that you set this field to will be the URL associated with the inbound SMS callback service for your Flowroute account. To learn more about Flowroute's SMS callback service, see Receive an SMS.