Custom Payment Integration for a FinTech Startup
A FinTech startup needed a custom payment gateway integration that could handle growing transaction volume without the reconciliation headaches of their existing setup. We built it — and they tripled their throughput.
The Context
The startup was processing payments through a third-party gateway with manual reconciliation at end-of-day. As transaction volume grew, discrepancies took longer to find and resolve.
Their existing integration was brittle — it broke during peak loads and required developer intervention to restart, costing them both revenue and customer trust.
The Goals
- check_circleBuild a reliable payment integration that scales with volume
- check_circleEnable real-time transaction reconciliation
- check_circleSupport multiple payment methods (cards, mobile money, bank transfers)
- check_circleProvide a dashboard for operations team to monitor transactions
Solution Highlights
Custom Gateway Adapter
A resilient API layer that routes transactions to the right payment provider based on method and region, with automatic retry and failover handling.
Real-Time Reconciliation
Every transaction is matched and reconciled as it processes — not at end-of-day. Discrepancies surface instantly instead of hiding until monthly close.
Transaction Monitoring Dashboard
A real-time dashboard showing transaction status, success rates, and alerts for anomalies — giving the ops team full visibility without digging through logs.
The Results
3x
Transaction Volume Handled
99.9%
Uptime
Real-time
Reconciliation
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