CancelMessage

This method uses the Message ID to cancel a message scheduled for a later time or date. Does not work if message was already sent out or queued.

HTTP Method
HTTP Method: GET

Url: http://sms2.cdyne.com/sms.svc/CancelMessage?MessageID={MESSAGEID}

Url: https://sms2.cdyne.com/sms.svc/CancelMessage?MessageID={MESSAGEID}

XML Response
The following is an example response Xml body:

true

Json Response
The following is an example response Json body:

true

PHP
Returns a 1 if the SMS is canceled and nothing if it is not cancelled.