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

PARAMETER	FORMAT	DESCRIPTION
messageId	string	An unique ID associated with this SMS message.
recipient	integer	The recipient of this SMS message
originator	integer	The sender for this message
udh	string	User data header. Will be only present if message is concatenated
message	string	Body of the SMS message
messageTimestamp	string	The creation data and time of the message in RFC33339 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
    &recipient=88888
    &originator=6591234567
    &message=hello
    &messageTimestamp=2017-01-03T14:31:28+08:00

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