Resolve AI API Payment Failure

I’m unable to top-up credits for my Claude AI API account. Every attempt made with a standard credit or debit card simply ends in silence—no decline notice, no gateway error, nothing at all—so I can’t... (Budget: ₹1000 - ₹22000 INR, Jobs: API, eCommerce, HTML, Payment Gateway Integration, Payment Processing, PayPal API, PHP, Stripe)