Shipment Results: Updating shipment info in your solution
After a successful shipment, the following fields will be populated with data from the transaction. You can then "pull" this data back into your solution by setting your field to the response field.
Time postage was created
Response_TransactionDateTime.m
Actual postage for piece
Response_FinalPostage.n
Tracking Number
Response_TrackingNumber.t
Date of postmark
Response_PostmarkDate.d
Status of transaction
Response_Status.t
USPS transaction ID
Response_TransactionID.n
Final postage balance
Response_PostageBalance.n