"400 Bad Request. Your browser sent an invalid request" message in SendPro Enterprise
The message "400 Bad Request. Your browser sent an invalid request" in SendPro Enterprise must be resolved by a Pitney Bowes representative.
Products affected: SendPro® Enterprise
Issue
When processing End of Day for the USPS carrier in SendPro Enterprise, an error is received of "400 Bad Request. Your browser sent an invalid request".
Cause
The number of transactions on the End of Day manifest exceeds the parameters for printing documents.
Resolution
To prevent the issue, run the End of Day more frequently during the day, especially after large jobs.If you need further assistance, please chat with us.
UPDATED: March 20, 2025