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Transformed an ebilling platform into a scalable, PCI-compliant payment backbone

The client provides an integrated eBilling and payment solutions for large enterprises across industries. It serves as the payment backbone supporting account receivable strategies at scale. PSI has been the strategic development partner for this solution since 2008.

Challenges

Business Challenges

  • Managing data isolation across a multi-tenant client environment
  • Meeting stringent PCI/DSS, HIPAA, and NACHA compliance
  • Scaling infrastructure to handle large volumes of billing and payment data
  • Supporting multiple payment gateways with fast onboarding capabilities

Solution Delivered

  • Built a multitenant architecture with full data isolation per client
  • Implemented end-to-end encryption across all data stages
  • Enabled multiple payment gateways including PayPal, Authorize.net, NACHA and others
  • Delivered flexible payment options — Auto-Pay, QuickPay, Pay by Text, and IVR Pay by Phone
  • Introduced continuous vulnerability tracking & PCI/DSS validation
Solutions

Impact & Outcomes

  • Achieved Level 1 PCI/DSS compliance alongside HIPAA and NACHA certifications

  • IVR Touch Tone Payment recorded a first-time call success rate of 97.25% or higher

  • Delivered consistent sub-second response times with detailed audit logs

  • Self-serve billing dashboards, analytics and multi-account management

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