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Receiving Response over Callback Notification - 2Factor SMS & Voice OTP
  • Regarding callback URL:

    Callback URL feature is presently in beta phase
    Here are the details on parameters passed to the callback URL.

    SMS OTP Callback:

    GET http://YourServer/CallbackNotify?mode=SMS_OTP&SessionId=d3e26a04-5945-4644-96d6-4160094ba33e&Status=DELIVERED&To=8431345566

    Parameters:
    1. mode = SMS_OTP ( Fixed value )
    2. SessionId = Session id generated in API call initiated to send OTP
    3. Status = Status of SMS OTP

      ( Possible values are DELIVERED / FAILED / REJECTED ) OTPs with failed status are retried with alternate operator route in real time.
    4. To = Phone number to which OTP is sent

    VOICE OTP Callback:

    GET http://YourServer/CallbackNotify?mode=VOICE_OTP&SessionId=d3e26a04-5945-4644-96d6-4160094ba33e&Status=DELIVERED&To=8431345566&
    api_request_time=2015-10-03+20%3A11%3A25&call_start_time=2015-10-03+20%3A11%3A31&
    call_end_time=2015-10-03+20%3A11%3A34


    Parameters:
  • mode = VOICE_OTP ( Fixed value )
  • SessionId = Session id generated in API call initiated to send OTP
  • Status = Status of VOICE OTP

    ( Possible values are DELIVERED / FAILED / REJECTED ) OTPs with failed status are retried with alternate operator route in real time.
  • To = Phone number to which OTP is sent
  • api_request_time = Time at which API was triggered
  • call_start_time = Time at which user picked up call
  • call_end_time = Time at which user hung up call


  • Regarding Customization Of SMS Sender Id and Messgae Text:

    Yes, this is possible and No Extra Fees are applied for SMS OTP.
    However, sender id approval may take upto 48 working hours from operator end.
    Sender id needs to be a 6 alphabet sender id.

    Message can be customized from Back end.
    Please provide us with SMS Text to be sent, to we an do it for you.

    Customizing message in voice SMS is presently not possible. However, let us know message you require, so we can check with the team for its feasibility.

  • Regarding Customization of OTP Length:

    Customizing OTP length is presently not supported.
    Based on our data captured, 4 digit OTP shall work well for securing your application. At application level, you can expire the session if user fails to enter correct OTP in 2-3 attempts.


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