I am technically trying to use the Zyte API, not the proxy manager but there was no option to select that under topics.
If you get Authentication error, that means the payment gateway is not able to authorise the payment from that card.
Please try with a different card.
Eli Perlowitz
Hi. I am trying to setup an account and I keep getting an authentication error when trying to add my credit card.
Email: eliperlowitz@gparency.com