https://community.squareup.com/t5/Payments-Troubleshooting/Authorization-error-CARD-NOT-SUPPORTED/m-p/822863#M65051 <P data-start="57" data-end="171">Hey <a href="https://community.squareup.com/t5/user/viewprofilepage/user-id/748141">@MarkTLBB</a>, thanks so much for joining and reaching out to the community — I’m really happy to have you here!</P> <P data-start="57" data-end="171">&nbsp;</P> <P data-start="173" data-end="452">This definitely sounds frustrating, and I want to help get it sorted. I just want to make sure I understand correctly: you’re using Square to process payments on your own site, right? Could you share a few photos of what you’re seeing on your end, and also a link to your site?</P> Tue, 28 Oct 2025 19:30:39 GMT MayaP 2025-10-28T19:30:39Z https://community.squareup.com/t5/Payments-Troubleshooting/Authorization-error-CARD-NOT-SUPPORTED/m-p/822530#M64956 <P>Trying to process online payments via my website - Square is fully integrated and seems all setup but can not successfully accept payments yet!! Anyone know what to do when this error message&nbsp;<SPAN>Authorization error: 'CARD_NOT_SUPPORTED' keeps coming up when trying to send through a payment - have tested multiple cards and the Test card codes and all the same.&nbsp;</SPAN></P> Sat, 25 Oct 2025 11:14:01 GMT https://community.squareup.com/t5/Payments-Troubleshooting/Authorization-error-CARD-NOT-SUPPORTED/m-p/822530#M64956 MarkTLBB 2025-10-25T11:14:01Z https://community.squareup.com/t5/Payments-Troubleshooting/Authorization-error-CARD-NOT-SUPPORTED/m-p/822863#M65051 <P data-start="57" data-end="171">Hey <a href="https://community.squareup.com/t5/user/viewprofilepage/user-id/748141">@MarkTLBB</a>, thanks so much for joining and reaching out to the community — I’m really happy to have you here!</P> <P data-start="57" data-end="171">&nbsp;</P> <P data-start="173" data-end="452">This definitely sounds frustrating, and I want to help get it sorted. I just want to make sure I understand correctly: you’re using Square to process payments on your own site, right? Could you share a few photos of what you’re seeing on your end, and also a link to your site?</P> Tue, 28 Oct 2025 19:30:39 GMT https://community.squareup.com/t5/Payments-Troubleshooting/Authorization-error-CARD-NOT-SUPPORTED/m-p/822863#M65051 MayaP 2025-10-28T19:30:39Z