If you are looking the latest solution of a payment gateway integration in ASP.NET, check out demos:
- For Stripe --> https://techtolia.com/Stripe/
Receive payments from credit or debit cards, Alipay, WeChat Pay, Bancontact, EPS, giropay, iDEAL, Multibanco, Przelewy24, Sofort, Secure Remote Commerce and Payment Request Button (Apple Pay, Google Pay, Microsoft Pay, and the browser Payment Request API) via Stripe.
- For PayPal --> https://techtolia.com/PayPal/
Receive payments from PayPal, PayPal Credit, credit or debit cards, Bancontact, BLIK, eps, giropay, iDEAL, MyBank, Przelewy24, SEPA-Lastschrift, Sofort, Venmo via PayPal.