SMS Delivery Reports will be sent to a configured callback URL via HTTP POST method with the following parameters:

PARAMETER	FORMAT	DESCRIPTION
messageId	string	An unique Id that was previously returned by our API when sending out SMS message
channel	string	The channel type. For the case of SMS, the value will always be set to “sms”
recipient	integer	The recipient’s mobile number
status	string	The status of the message sent to the recipient. Possible values: • processed • delivered • expired • deleted • undeliverable • rejected • unknown
reasonCode	integer	If the message failed to deliver, this parameter will provide additional information on the failure
messageTimestamp	string	The creation date and time of this report on GENIQ platform in RFC3339 format (Y-m-d\TH:i:sP)
operatorTimestamp	string	The creation date and time of this report on the SMSC in RFC3339 format (Y-m-d\TH:i:sP)

For the purpose of illustration, here’s a sample callback request using HTTP GET Method:

https://your_domain.com/your_script
    ?messageId=43BC206B4610B25F41E7C3E050035473
    &channel=sms
    &recipient=6591234567
    &status=delivered
    &reasonCode=0
    &messageTimestamp=2017-01-03T14:31:28+08:00
    &operatorTimestamp=2017-01-03T14:31:00+08:00

#Note: You platform should respond with HTTP Status Code 200 (OK). Otherwise the same message will be delivered again.