I have a payment form that uses the AIM method to post to Auth.net via
PHP. It works great until our customer resets their Transaction Key. I
need to know if there is a way to determine (via PHP) if a merchant has
reset their Transaction Key. Any sug...
Is there a way to validate authentication without a transaction? In
other words, could I take the API Login ID and the Transaction key and
make a call to Auth.net to generate the error code 13 without doing a
financial transaction? Ultimately I'm loo...