API & Integration Testing That Actually Works

We've been fixing broken integrations and catching API failures before they reach production since 2019. No fluff, no overselling — just reliable testing that keeps your systems running smoothly.

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Core Expertise

We Find What Others Miss

Most testing teams check if APIs return the right status codes. We dig deeper — hunting down edge cases, timeout scenarios, and those sneaky race conditions that only show up when real users start hitting your system.

  • Deep integration flow analysis beyond basic endpoint testing
  • Real-world load scenarios that mirror actual user patterns
  • Error handling validation for graceful system degradation
  • Security testing for authentication and data transmission
  • Performance bottleneck identification before scaling issues
Technical team analyzing API integration patterns and system architecture
Developer reviewing comprehensive testing documentation and integration workflows

From Chaos to Confidence

Last month, we worked with a fintech startup whose payment integration was failing randomly. Their internal team couldn't reproduce the issue. Turns out, it only happened when users had special characters in their names — something that showed up once every few hundred transactions.

1
Discovery
We map your entire integration ecosystem and identify potential failure points
2
Validation
Comprehensive testing across different scenarios, loads, and edge cases
3
Documentation
Clear reports with actionable fixes and prevention strategies

Built for Modern Development Teams

Whether you're launching a new product or scaling an existing platform, we adapt our testing approach to fit your development cycle and business timeline.

"Radiwavex caught three critical integration issues that would have cost us thousands in downtime. They work fast and explain everything in plain English — no technical jargon that confuses stakeholders."
Kamon Thepsiri

Kamon Thepsiri

CTO, TechFlow Solutions

REST & GraphQL APIs
Complete validation of modern API architectures with complex query optimization
Third-party Integrations
Payment gateways, CRM systems, and external service connection testing
Microservice Architecture
Inter-service communication testing and distributed system validation
Real-time Systems
WebSocket, messaging queues, and live data synchronization testing
Mobile App Backends
iOS and Android API testing with offline sync and push notification validation
Database Integration
Data consistency checks and transaction rollback testing across multiple systems
Cloud Infrastructure
AWS, Azure, and GCP integration testing with auto-scaling validation
"Their testing uncovered performance issues we didn't even know existed. Now our API handles 3x more concurrent users without breaking a sweat. Worth every baht."
Siriporn Makmee

Siriporn Makmee

Product Manager, Digital Commerce Co.

Ready to Stress-Test Your Integrations?

Let's talk about your specific testing needs. We'll review your current setup and identify potential issues — no commitments required.

Schedule a Consultation