Slex Pay is a fintech service brand. Banking services are provided through licensed partners in Pakistan.

Payment Gateway Security Guide

Payment security is not one feature. It is a full process across checkout, integration, transaction monitoring, and merchant operations.

Checkout Security Best Practices

  • Use HTTPS everywhere.
  • Never expose secret keys in frontend code.
  • Use server-side verification before fulfillment.
  • Log transaction IDs and request IDs for tracing.

Operational Security Best Practices

  • Enable risk monitoring and alerting.
  • Maintain clear refund and dispute documentation.
  • Use role-based access controls for staff.
  • Review unusual transaction patterns daily.