There are multiple ways to keep track of your message delivery status and charges:
- Reports within your Developers’ Central account (view online or export a CSV),
- The Callback system can automatically push HTTP requests to your server whenever the status of any accepted message changes. The HTTP request will contain information about the message status and charge. This is triggered in near real-time.
- Another API (such as HTTP, SOAP or REST) can be used to query individual messages that have been sent via the FTP API.
The Callback system is the most efficient (and preferred) solution as it does not require you to poll our system to track the progress of a message.
To use the callback system with the FTP API (once you have configured your callback URL), add the callback parameter to your text file, example: