How can I create an ACH file in a Java application (although the language is not important) and send it for processing? I need to know the ACH file format, and then what to do with it later. Considering this issue , I see links to external processors. Do I need to use a third-party file to send the file?
Creating a file is not difficult (although I canβt find the details in the format), but then having a file on my hard drive is of no use. If I need to use a third party, what are some good services?
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