AI Codes.
Keploy Tests

Record stable tests from real API traffic and replay into CI as isolated sandbox. Fast, deterministic with high coverage.

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15.6kstars•1.2M+downloads•200M+mocks

Open Source

15.6k stars

1.2M+ downloads

200M+ mocks created

loved by devs

Record Replay API Traffic

Coverage Reporting

Performance Testing

AI Powered API Testing

Trusted By Teams Globally

4.9

4.9

Trust Center →

1M+

installs

16K+

Github

100K+

devs

200M+

mocks

1K+

contributors

OSS testing · 2025

Trust Center →

1M+

installs

16K+

Github

100K+

devs

200M+

mocks

1K+

contributors

OSS testing · 2025

Maximise Coverage, Minize Effort

One platform to write verified tests using AI. Not just another ChatGPT wrapper.

Integration Testing

Automate integration tests with mocks, record-and-replay, replicating complex system interactions effortlessly.

API Testing

Be the first, be fast—automate API testing with Keploy catching issues early for faster results.

Universal Mocker

A standalone mocking library. Use recorded dependency interactions as stubs for unit tests or chaos experiments.

"Using keploy really helps increase velocity while ensuring high quality"

"Solid Unit Test Engineer for Modern Teams. The Github PR agent is awesome!"

"Future of Microservices Testing. I don't write unit tests now!"

Digital Twin of Prod

Capture real API traffic, virtualize dependencies, and replay deterministically anywhere like a digital twin.

No credit card • 2 min setup

Deduplicate & Denoise

Only test what matters so regressions are real—not random.

No credit card • 2 min setup

Replay Anywhere

Run production-grade replays deterministically, wherever your code runs.

No credit card • 2 min setup

Coverage confidence. Catch bugs early.

Get release-grade confidence with coverage insights, instant alerts, and AI-driven bug detection.

No credit card • 2 min setup

Expand Test Coverage with AI

Auto-generate tests, assertions, chaining, and coverage dashboards—then self-heal them as your APIs evolve

No Code Generation + De-duplication

Deduped suite

Validate tests, remove duplicates, keep only high-signal cases

Parameterization + Chaining

Auto-chained

Keploy extract IDs/tokens and chain requests automatically.

Smart Assertions

Catch Regressions

Auto-assert what matters, ignore noisy fields.

Auto Bug Detection

Anomaly flags

Detect anomalies in API responses and surface likely bugs—without writing manual checks.

Regression Alerts + Self-Healing

Auto-fixes

Detect regressions, notify fast, and keep tests updated as APIs evolve.

Coverage Insights

Coverage map

Gain actionable insights with detailed reports on API test suites, including endpoint coverage, test effectiveness, and untested paths.

Record Anything. Replay Anywhere

Any language. Any database. Any framework. Any CI/CD — capture real traffic once, then replay deterministically in CI with mocks generated at the network layer.

Postgres

Prisma

GitHub

Language-agnostic • Zero code changes • Mocks DBs & dependencies

Any language

Java

TypeScript

JavaScript

Python

Java

TypeScript

JavaScript

Python

Java

TypeScript

JavaScript

Python

Java

TypeScript

JavaScript

Python

Java

TypeScript

JavaScript

Python

Java

TypeScript

JavaScript

Python

Any Database

Postgres

MySQL

MongoDB

Redis Cache

MySQL

MongoDB

Redis Cache

Postgres

MySQL

MongoDB

Redis Cache

MySQL

MongoDB

Redis Cache

Postgres

MySQL

MongoDB

Redis Cache

MySQL

MongoDB

Redis Cache

Postgres

Any Frameworks & CI/CD

Prisma

Django

Gin

Echo

GraphQL

GitHub

GitHub Actions

GitLab

Docker

Kubernetes

Echo

GraphQL

GitHub

GitHub Actions

GitLab

Docker

Kubernetes

Prisma

Django

Gin

Prisma

Django

Gin

Echo

GraphQL

GitHub

GitHub Actions

GitLab

Docker

Kubernetes

Echo

GraphQL

GitHub

GitHub Actions

GitLab

Docker

Kubernetes

Prisma

Django

Gin

Prisma

Django

Gin

Echo

GraphQL

GitHub

GitHub Actions

GitLab

Docker

Kubernetes

Echo

GraphQL

GitHub

GitHub Actions

GitLab

Docker

Kubernetes

Prisma

Django

Gin

Loved by developers shipping reliable APIs

Real feedback from people using Keploy to record traffic, replay deterministically, and avoid flaky tests.

きょん/kyong

@kyongshiii06

I tried keploy, it was amazing. Just wrap and start docker, and then just hit the API with curl or the client and you'll be able to test more and more. This is the golden test.

やまもと@視力2.0

@yamamoto_febc

It is quite easy to create normal tests. On the other hand, abnormal systems may be a little difficult. I think it's okay to use it only for normal systems.

あんどーぼんばー

@AndooBomber

I tried Keploy, good tool.

mugi

@mugi_uno

I think the problem with mock data is that it is difficult to maintain, so if it makes it easier, I think it would be a good idea. The automated testing tool Keploy using eBPF is amazing

yadon

@Seipann11

Keploy is seriously amazing, a genius tool crushing issues at lightning speed.

Junichi.Y🐼@休職中

@ymnk_8752

It is amazing! I hear about eBPF a lot, but I don't know what it is.

きょん/kyong

@kyongshiii06

I tried keploy, it was amazing. Just wrap and start docker, and then just hit the API with curl or the client and you'll be able to test more and more. This is the golden test.

やまもと@視力2.0

@yamamoto_febc

It is quite easy to create normal tests. On the other hand, abnormal systems may be a little difficult. I think it's okay to use it only for normal systems.

あんどーぼんばー

@AndooBomber

I tried Keploy, good tool.

mugi

@mugi_uno

I think the problem with mock data is that it is difficult to maintain, so if it makes it easier, I think it would be a good idea. The automated testing tool Keploy using eBPF is amazing

yadon

@Seipann11

Keploy is seriously amazing, a genius tool crushing issues at lightning speed.

Junichi.Y🐼@休職中

@ymnk_8752

It is amazing! I hear about eBPF a lot, but I don't know what it is.

Shivam Sourav Jha

@ShivamSouravJha

Why do I like keploy so much? Literally I see many tools and so hard to integrate. I mean update VScode , use the sdk , make this change make that change. With Keploy, don't worry buddy just run your application, we will literally do everything for you. You need to 0 efforts.

matsuu@充電期間

@matsuu

Based on the communication trace information that can be obtained using eBPF, it is possible to generate a test and a stub server to be used when executing the test.

Jay Vasant

@__alter123

The point being, maintaining unit tests is terribly difficult, and in general requires more efforts than the actual development itself. I've hardly seen any startups even at good scale able to manage unit tests. If you really think it's a requirement you can try tools like Keploy. But I feel even if you honestly think, manual testing should be always feasible

きょん/kyong

@kyongshiii06

Keploy can record and replay complex, distributed API flows as mocks and stubs. It's like having a time machine for your tests—saving you tons of time.

TadasG

@JustADude404

Keploy is a tool which can automatically generate tests based on data from your running app. It simply attaches to your app, reads the data being passed through, and generates tests with real data. Pretty cool, huh?

Shivam Sourav Jha

@ShivamSouravJha

matsuu@充電期間

@matsuu

Based on the communication trace information that can be obtained using eBPF, it is possible to generate a test and a stub server to be used when executing the test.

Jay Vasant

@__alter123

きょん/kyong

@kyongshiii06

Keploy can record and replay complex, distributed API flows as mocks and stubs. It's like having a time machine for your tests—saving you tons of time.

TadasG

@JustADude404

Trust & Security

Trusted, secure, community-driven

Built on
Open Source

Transparent by default — community-driven development and fast iteration.

Trusted by
global networks

Proven in real-world environments with teams across the globe.

Industry-leading security & compliance

Built with enterprise-grade controls — your data stays yours.

No data exfiltration

Community

Join the Keploy community

Follow updates, ask questions, share feedback, and ship faster with other Keploy builders.

X

Product drops, tips, and real-world testing threads.

Github

Contribute code to Keploy or report a bug

Slack

Connect and chat with other Keploy users

Youtube

Short demos, walkthroughs, and CI playbooks.

Your all-in-one
testing platform

Generate API test suits, validate APIs, and ensure integration quality on one powerful platform.

Need Resources?

Read Documentation

Integration Testing Simplified

Start With Keploy Open Source

Need Further Assistance?

Talk To Our Team On Slack

AI Codes.Keploy Tests

Maximise Coverage, Minize Effort

Digital Twin of Prod

Traffic Capture

Sandbox your downstreams

Editable test artifacts

Deduplicate & Denoise

Deduplication

Noise Filtering

Automated assertions

Replay Anywhere

Lightweight CI/CD replay

Mock dependencies

Time freeze

Coverage confidence. Catch bugs early.

Coverage reports

Instant alerts

AI bug finder

Expand Test Coverage with AI

No Code Generation + De-duplication

Parameterization + Chaining

Smart Assertions

Auto Bug Detection

Regression Alerts + Self-Healing

Coverage Insights

Record Anything. Replay Anywhere

Loved by developers shipping reliable APIs

Trusted, secure, community-driven

Built onOpen Source

Trusted byglobal networks

Join the Keploy community

X

Github

Slack

Youtube

Linkedin

Your all-in-onetesting platform

Need Resources?

Integration Testing Simplified

Need Further Assistance?

AI Codes.Keploy Tests

Maximise Coverage, Minize Effort

Digital Twin of Prod

Traffic Capture

Sandbox your downstreams

Editable test artifacts

Deduplicate & Denoise

Deduplication

Noise Filtering

Automated assertions

Replay Anywhere

Lightweight CI/CD replay

Mock dependencies

Time freeze

Coverage confidence. Catch bugs early.

Coverage reports

Instant alerts

AI bug finder

Expand Test Coverage with AI

No Code Generation + De-duplication

Parameterization + Chaining

Smart Assertions

Auto Bug Detection

Regression Alerts + Self-Healing

Coverage Insights

Record Anything. Replay Anywhere

Loved by developers shipping reliable APIs

Trusted, secure, community-driven

Built onOpen Source

Trusted byglobal networks

Join the Keploy community

X

Github

Slack

Youtube

Linkedin

Your all-in-onetesting platform

Need Resources?

Integration Testing Simplified

Need Further Assistance?

AI Codes.
Keploy Tests

Built on
Open Source

Trusted by
global networks

Your all-in-one
testing platform

AI Codes.
Keploy Tests

Built on
Open Source

Trusted by
global networks

Your all-in-one
testing platform