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API Development & Integration

PayBridge API

A secure high-throughput payment aggregator API connecting multiple gateway providers.

PayBridge Payments
2026
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Project Matrix

  • ClientPayBridge Payments
  • IndustryFintech
  • Year2026

Technologies

Express.jsNode.jsJWTPostgreSQLRedisDocker

01 / Case Study Overview

The Narrative

PayBridge provides a unified API interface that routes checkout charges through optimal payment processors dynamically based on fee rates.

02 / The Challenge

The Bottleneck

Routing transactions under 200ms while maintaining strict PCI-DSS security compliance across all gateways.

03 / The Solution

Our Strategic Response

We engineered an Express.js gateway backend using PostgreSQL, tokenizing sensitive payloads and using Redis to route transactions dynamically.

04 / Execution Framework

Development Process

Gateway Endpoint Design • Tokenization Security Implementation • Fee Optimization Logic • Load Testing • PCI Compliance Audit

05 / Feature Architecture

Key Specifications

Feature 01

Dynamic Transaction Routing Engine

Feature 02

AES-256 Tokenization Vault

Feature 03

High-throughput Rate Limiter

Feature 04

Real-time Billing Webhooks

Feature 05

Swagger Interactive API Docs

06 / Business Impact

Verifiable Outcomes

Processed $2.8M daily in customer payments, reducing transaction fee costs for clients by 12% on average.

Visual Presentation

Project Gallery

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