Fix Claude AI Payment Failure

I’m trying to renew my Claude AI subscription, but the platform keeps rejecting my credit-debit card even though all the card details and billing address are 100 % correct. I need someone who understands how Anthropic’s payment gateway works—or, at least, has solid experience troubleshooting SaaS subscription payments—to walk me through what’s going wrong and get the charge to go through.

Please be ready to:
• Review the steps I’ve already taken and spot anything the system might still flag.
• Advise on card-issuer or 3-D Secure quirks that typically trip up Claude AI payments.
• Suggest any realistic work-arounds (virtual card settings, currency tweaks, temporary card limits, etc.) that comply with the platform’s terms.

Once we resolve the “payment method not accepted” message and the subscription activates successfully, I’ll consider the task complete.