SMS Message Response Postback

SMS Response POST
If you assign a PostbackURL to your account DIDs, the PostBack will allow you to capture the data in the fields listed below. Please note that data is posted to the headers.

PostBackURL data is posted behind the scenes, and is not visible on your webpage. Code samples are provided below on how to grab this data to store in a database. CDYNE recommends that the data returned to be stored within your systems for reporting and reference information.

SMSResponse
Always set to "1." SMSResponse=1 is posted when a response to an outgoing message arrives.

MessageID
A unique identifier for this response. This will come as a GUID.

MatchedMessageID
A GUID that is populated when the response matches a previous message.

ReferenceID
This is populated if the response matches a previous message and you set the ReferenceID field in your outgoing SMS.

FromPhoneNumber
This is the number that sent the response text message.

ToPhoneNumber
This will be your assigned DID that the response text message was sent to.

ResponseReceiveDate
UTC Date when the message came in. Usually within a few seconds of the current time.

Message
This is the response SMS text message body.

Example Packet
POST /cdynepostback.aspx HTTP/1.1 User-Agent: CDYNE SMSv2 Content-Type: application/x-www-form-urlencoded Host: cdyne.com Content-Length: 242 Expect: 100-continue Connection: Keep-Alive SMSResponse=1&MessageID=9a35e913-ded0-7574-4642-5f60c550c706&MatchedMessageID=11111111-2222-1111-2222-000000000004&ReferenceID=&FromPhoneNumber=17575449510&ToPhoneNumber=17575449511&ResponseReceiveDate=5%2f8%2f2010+2%3a42%3a36+AM&Message=Test