Zero-Downtime API Migration from MuleSoft
to Kong for Helios Towers
Client Overview
Helios Towers is a market-leading telecommunications infrastructure company operating one of the largest independent tower portfolios across Africa. The company builds, owns, and manages passive telecom infrastructure, enabling mobile network operators to expand coverage, improve network access, and operate efficiently across multiple regions. Helios Towers delivers infrastructure-as-a-service offerings that include site acquisition, maintenance, power management, security, and hosting of active telecom equipment. APIs play a critical role in enabling real-time access to site, asset, and project data across internal and partner-facing systems.Business Objective
Helios Towers aimed to establish a centralized, scalable API ecosystem to support real-time access to operational data while reducing platform costs and technical complexity. The organization wanted to move away from its incumbent MuleSoft platform and adopt Kong as a modern API gateway, without disrupting live business operations. A key requirement was to complete the migration within a strict timeframe before license expiration, ensure zero impact on existing API consumers, and enable faster API development and release cycles with a lean internal team.Industry
Telecom
Platform
Kong
Service
MuleSoft to Kong Migration
Nick Owen
CTO
We are thrilled to share our positive experience with NeosAlpha. Initially engaging them for their...
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Challenges
Operational Data Visibility
Existing APIs did not provide real-time visibility into sites, projects, and asset data, affecting field operations and decision-making.
High Platform Costs
Rising MuleSoft licensing costs made the existing platform financially unsustainable.
Complex, Hard-to-Maintain Codebase
The legacy API implementation was tightly coupled and difficult to modify, slowing down releases and increasing risk.
Lean Engineering Team
A small team was responsible for managing a large and complex API landscape.
Zero-Downtime Migration
All APIs needed to be migrated without breaking existing API keys or impacting production traffic.
Partner with NeosAlpha to execute zero-downtime MuleSoft to Kong Migration.
Explore Our Kong API Management ServicesSolutions
Architecture Discovery & Migration Planning
NeosAlpha conducted a detailed assessment of the existing MuleSoft architecture, security requirements, and operational constraints. A future-state architecture was defined using Kong and microservices, with a focus on performance, scalability, and governance.
Microservices-Based API Redesign
Legacy MuleSoft bundles were reverse-engineered and redesigned into lightweight Spring Boot microservices, improving performance and maintainability.
Kong API Gateway Implementation
Kong was deployed as the central API gateway to manage routing, security, and traffic control across all services.
Zero-Downtime Migration Execution
Production API keys were migrated seamlessly to Kong, and traffic was gradually switched from MuleSoft to Kong with near-zero downtime.
Testing, Monitoring & Warranty Support
Postman test packs were provided for UAT, platform health was monitored during live traffic cutover, and warranty support ensured a stable transition.
Results
Successful Platform Migration
All business-critical APIs were migrated from MuleSoft to Kong within three months using a lean delivery team.
Zero Business Disruption
The migration was completed with no downtime and no impact on existing API consumers.
Reduced Platform Costs
Eliminated MuleSoft licensing expenses, delivering significant cost savings.
Real-Time Operational Insights
The new architecture enabled real-time access to site and asset data for field and operational teams.
Technology Stack
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