Case Study

Payment Gateway Integration

Building a resilient, high-throughput payment processing system with secure settlement workflows.

Client

A marketplace platform requiring reliable payment processing and fast merchant payouts.

Challenge

The platform needed a flexible gateway layer to support multiple acquirers, reconcile transactions reliably, and handle high-volume bursts without dropping payments.

Outcome

  • End-to-end transaction reconciliation with under 1% discrepancy
  • Support for multiple payment providers and fallbacks
  • Automated merchant settlements with configurable schedules
  • High throughput with minimal latency under peak load
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Payment Gateway

Our Approach

Flexible gateway layer

A pluggable gateway abstracting multiple acquirers with retry policies and fallback routes for resilience.

Reliable reconciliation

Batch and streaming reconciliation processes with idempotent storage and alerting for discrepancies.

Secure settlements

Encrypted settlement ledgers, access controls and audit trails for merchant payouts.

Tech Stack & Results

Kafka Postgres Redis
Implemented a resilient payment layer with predictable settlement and high throughput.

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