tyntec’s One-Time Password (OTP) SMS, based on HTTP, is a service that enables you to send SMS to all operators listed on tyntec’s coverage list using the HTTP protocol. You can use either GET or POST.
The following illustrates the workflow for sending SMS:
If a DLR (Delivery Receipt) is requested, tyntec will submit it to your HTTP server using the URL that you specify during the initial setup of the service. The HTTP method of this DLR submission is POST.