The API works by making HTTP post requests to the registered callback URL. The parameters are as shown:
Parameter Description
sessionId A unique string identifier generated by the USSD gateway
serviceCode USSD code assigned to the client
phoneNumber MSISDN of the subscriber dialing the code
text Text input entered by the subscriber
  • – To end a session prepend the response with END, for example, END You will get feedback via SMS shortly.

  • – To continue a session, prepend the session with CON, for example, CON Enter your phone number