Welcome to Bottomline Customer Support
Search frequently asked questions
Ask your question by entering it here, or choose from the list of frequently asked questions below.
Unable to send - http response code error 500, 404 or 400
When sending a submission, if you receive an error such as 'http response code error 500' or 'http response code error 400' the issue will reside with your ePay server or Smart Card. Please check these by the following the related articles below: