Keploy

About Keploy

Tired of testing being the soul-crushing bottleneck that kills your dev velocity? Meet Keploy, the AI-powered testing sidekick that's here to flip the script. This isn't just another ChatGPT wrapper spitting out flaky, generic code. Keploy is a legit, open-source platform that automagically generates accurate, reliable test cases and mocks for your unit, integration, and API tests. Think of it as your personal test engineer, working in the background so you can focus on building cool stuff. It's built for developers and teams who are over the manual grind and want to hit insane metrics—like 90% test coverage in literal minutes—without the headache. By recording real API calls and system interactions using eBPF magic, Keploy creates tests that actually reflect how your application behaves in the wild. Say goodbye to complex setups and hello to a smarter, faster, and way more reliable testing workflow that integrates seamlessly into your existing CI/CD pipelines.

Features of Keploy

AI-Generated, Language-Trained Tests

Keploy's AI isn't playing around. It's specifically trained on programming languages to generate unit tests that are accurate, context-aware, and actually work. This means no more flaky tests or wasted time debugging AI hallucinations. You get high-coverage, reliable tests that understand your code's logic, straight out of the box. It's like having a senior dev who's an absolute testing savant writing your test suites for you.

Record & Replay with eBPF

This is the secret sauce. Keploy uses eBPF (that fancy kernel-level tech) to non-invasively record all API calls hitting your server, along with all the downstream dependencies like database queries and external HTTP calls. It then turns these real traffic patterns into executable test cases and mocks. You literally just run your app and use it; Keploy does the rest, capturing real-world scenarios for perfect replay later.

Seamless CI/CD Integration

Keploy is built to slide into your pipeline like it was always there. It works natively with GitHub Actions, GitLab Runners, Bitbucket, and more, requiring zero extra test environment setup. It triggers tests, monitors for failures, and sends alerts in real-time, making continuous testing actually continuous and not a painful, manual gate.

Centralized Coverage & Reporting Dashboard

Get a bird's-eye view of your testing health. Keploy's dashboard gives you real-time metrics on test coverage, failures, and quality insights across all your projects and repositories. Track progress, identify weak spots, and make data-driven decisions to improve your codebase's robustness, all from one slick console.

Use Cases of Keploy

Accelerating Unit Test Creation for New Features

You're pumping out a new feature and the thought of writing a mountain of unit tests is killing your vibe. With Keploy's Unit Testing Agent, you generate instant, accurate unit tests for your files with one click. It drastically cuts down development time, ensuring high coverage from the start so you can ship faster with confidence, not technical debt.

Automating Integration Testing for Microservices

Testing microservices interactions is a nightmare of mocking and setup. Keploy automates this by recording the complex conversations between your services. It then replays these interactions and generates all the necessary mocks for databases and external APIs, making integration testing effortless and comprehensive.

Catching API Regressions Early

Be the first to catch breaking changes. By recording live API traffic, Keploy turns every call into a test case. Any future change that breaks an existing API endpoint is caught immediately in your CI pipeline, long before it hits staging or production. This enables true shift-left testing for API reliability.

Enforcing PR Quality with Automated Test Generation

Supercharge your pull request process. The GitHub PR Test Agent automatically generates unit tests for every new PR, ensuring coverage standards are met and builds remain consistent. It acts as a quality gatekeeper, giving reviewers instant insight into test impact and preventing bugs from merging.

Frequently Asked Questions

How does Keploy generate tests without being flaky?

Keploy avoids flakiness by not relying on static analysis or generic LLM prompts alone. Its core technology uses eBPF to record real application behavior—actual API calls, database interactions, and network traffic. This means the generated tests and mocks are based on observed, real-world data, making them highly accurate and reliable compared to tests guessed from source code in isolation.

What tech stacks and languages does Keploy support?

Keploy is built to play nice with your stack. It supports popular languages like Go, Java, Python, and JavaScript/TypeScript. It integrates with testing frameworks like JUnit, PyTest, Jest, and Go's native test tool. For dependencies, it can mock various databases and HTTP services, fitting into most modern application architectures.

Is Keploy really open source?

Yes, absolutely! Keploy has a fully featured, open-source version that you can use to generate tests and mocks, integrate with CI/CD, and more. This allows you to test any tech stack anywhere. They also offer an Enterprise plan with additional features like centralized dashboards, advanced deduplication, and dedicated support for larger teams.

Can Keploy work with my existing test suites?

Totally. Keploy isn't here to replace your hard-earned test suites; it's here to augment them. It generates tests in standard formats (like JUnit reports) that can run alongside your existing tests. It also helps calculate combined code coverage, so you can see the total impact of both manual and Keploy-generated tests.