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Modernizing Cross-Border B2B Payment API
with Kong API Gateway

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Client Overview

The client is a UK-based cross-border payments company, authorized and regulated by the Financial Conduct Authority (FCA). Operating across 50+ countries, they offer seamless global money movement services through a network of local banks and financial institutions. By eliminating intermediaries, they reduce hidden fees and increase transparency in cross-border transactions. Their focus on compliance, speed, and technology enables them to deliver efficient, regulated B2B payment experiences to enterprises and financial partners worldwide.

Business Objective

The client aimed to modernize their real-time payments infrastructure without disrupting their proven legacy systems. Specifically, they wanted to expose their SOAP-based backend services as developer-friendly REST APIs to enhance integration with modern web and mobile applications. The goal was to retain the reliability of their legacy platform while offering faster partner onboarding and improved API-driven adoption.

Industry

Finance

Platform

Kong

Service

API Modernization

Results

Accelerated Time to Market

By modernizing instead of rebuilding, the client rolled out REST APIs faster and at lower cost.

Improved Developer Experience

The new portal and REST APIs significantly simplified partner onboarding and integration.

API-Driven Flexibility

The client now supports both modern RESTful applications and legacy services, ensuring continuity with existing systems while future-proofing for fintech innovation.

Enhanced Security & Compliance

Secure authentication and data handling ensured continued FCA compliance and protection of sensitive payment data.

Technology Stack

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