Every time a new customer tries to start a paid plan, their credit or debit card transaction is declined at the very first signup step. PayPal and bank-transfer flows are untouched, so the issue is clearly isolated to card handling during the initial subscription creation… (Budget: ₹2500 – ₹15000 INR, Jobs: API Integration, Debugging, HTML, MySQL, Payment Gateway Integration, Payment Processing, PHP, Software Architecture)
Read more here:: https://www.freelancer.com/projects/payment-gateway-integration/Fix-Subscription-Payment-Failures.html
