SMS Technical Information

HTTP Interface

A detailed reference on using the HTTP interface to send and receive SMS messages.

Information on using the SMPP interface to send and receive SMS messages.

How to interpret delivery report status codes returned by the SMS Gateway.

The retry strategies used by the SMS Gateway under various error conditions.

Single-shot billing: what it means and how to enable it.

When we automatically remove end-users from partner whitelists, and how to receive notifications of this via HTTP.