Payment integration is critical for eCommerce. Here's how to choose providers and handle multiple payment methods.
Providers
Stripe: developer-friendly, global, extensible. PayPal: buyer trust, BNPL. Adyen: enterprise, multi-currency. Choose based on geography, fees, and features.
Payment Methods
Cards, digital wallets (Apple Pay, Google Pay), BNPL (Klarna, Afterpay), bank transfers. Offer methods your customers use. Local methods for international.
Implementation
Use hosted checkout or Elements for PCI compliance. Support saved cards for returning customers. Handle 3DS and SCA. Test failures and edge cases.
Rely Tech Serve helps with payment integration. Contact us for support.