Never Store Card Details on Your Servers
Storing raw card numbers introduces extreme security risks and requires strict PCI-DSS compliance audits. Always use tokenized gateways.
Using Stripe or Razorpay SDKs
Modern checkout flows pass payment info directly to secure gateway APIs. Your backend only receives a verified transaction token.
Webhook Verifications
Always verify payment callback signatures cryptographically to prevent malicious users from simulating successful checkouts.
Tags:
Fintech
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