Author: Himanshu Mandhyan
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API Observability: What I Learned While Debugging APIs in Production
APIs rarely fail loudly. Most of the time, they break quietly while dashboards stay green. These silent failures are often the hardest to detect and the most damaging for users. I learned this while dealing with real production traffic. Everything looked normal until users started complaining. Let’s explore more about how this works. Why API…
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Postman Alternative: The Best API Testing Tools to Use in 2026
More teams are rethinking the role of Postman in their testing toolkit as APIs grow in importance and complexity to the engineering community. Postman continues to be a popular tool; however, many engineers want new tools that offer a greater level of automation, better integration with CI/CD processes, and an improved developer experience. With the…
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Stateful vs Stateless: A Developer’s Real-World Guide (2026)
Why do some bugs only appear after deployment, even when tests pass locally? Early in my backend work, I kept hearing discussions around stateful vs stateless. It felt academic at first, but once I started dealing with scaling issues, flaky tests, and production bugs, I saw how much this decision actually matters. This article is…
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Penetration Testing Services to Strengthen Your Security and Reliability
Modern technology (APIs, Microservices, Cloud Platforms, Mobile Apps) is rapidly changing and becoming a target for attackers as they continue to advance and become more sophisticated. Organizations use penetration testing (a form of ethical hacking) to identify weaknesses in their systems and address them before they can be taken advantage of. Keploy supports organizations’ application…
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What Does Extensible Mean? A Complete Guide with Examples and Use Cases
Extensibility is conceptually found in the areas of technology (such as Software Development) and System Design. The term extensibility may seem abstract to someone with no previous background in the field; in particular, when you hear phrases like: “Extensible Software”, “Extensible Architecture”, “Extensible API” or “Extensible Testing Tools”, it could be difficult to understand exactly…
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API Automation Testing: A Practical Guide for 2026
APIs (Application Programming Interfaces) power nearly every modern digital experience, from mobile apps and online payments to AI-driven services and real-time data processing. As software systems increasingly rely on microservices and distributed architectures, the number of API interactions continues to grow, making reliability and performance more critical than ever. In 2026, automated API testing has…
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DevOps Testing: Ensuring Quality in a Continuous Delivery World
In today’s fast-paced software environment, getting product features out the door quickly is the minimum. Getting features out the door quickly + with reliability is what separates high performing teams opening up larger opportunities. This is where DevOps testing comes into play, testing not just at the endpoint of the development + operations lifecycle but…
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API-First Development: The Complete Guide
In today’s world of software development, API-first has become more than a trend it is a best practice that allows teams to build scalable, modular and best of all future-ready applications. In an API-first approach, the Application Programming Interface (APIs) are not an afterthought, they are envisioned, documented and agreed upon before the development of…
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REST API Testing: Strategy, Automation & Best Practices
In the digital-first world of today, many applications depend on RESTful APIs as the connectivity placeholder: whether between microservices, mobile applications, third-party integrations or SaaS platforms, it is important for ensuring these APIs are reliable, secure and performant. This is where you can utilize REST API testing. No matter your role as a developer, tester,…
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Generative AI Testing Tools: The Next Evolution of Test Automation
In the last ten years, software testing has advanced significantly, but today’s applications require more than just using conventional forms of automated software testing or entry-level tools that employ artificial intelligence (AI). The rise of microservice architectures, API calls, and continuous deployment has led to another category of software testing products called "Generative" AI Testing…