No! That is not what I said. The website centinelapi dot something dot com is blocking your Tor connection. Even if you had your real card and real account and logged into Amazon via Tor that payment connection centinelapi dot something dot com would be blocked.
Enter this on an open tab in Tor: (fix the url. remove the spaces and replace the word dot with .
https: // centinelapi dot cardinalcommerce dot com
You get a message from cloudflare about being blocked
suggestion: get someone else to buy with the gift card