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Keploy vs Postman
Short answer: Pick Keploy if you want traffic-driven test generation and sandboxed replay; pick Postman if you want full-stack API lifecycle platform. Keploy has a free plan, paid from $19/month per user; Postman has a free plan, paid from $9/month.
PostmanAPI platform for designing, testing and documenting APIsWhich to pick
Pick Keploy if you want…
- Traffic-driven test generation and sandboxed replay
- Open-source code (keploy/keploy on GitHub, Apache-2.0 license)
- Integrations with Node, Go or Java (on Keploy's list, not Postman's)
Pick Postman if you want…
- Full-stack API lifecycle platform
- Manual API design and testing
- Integrations with VS Code, Git or AWS (on Postman's list, not Keploy's)
Side by side
- What it is
- Keploy:Keploy captures real traffic with eBPF to auto-generate API tests, mocks and regression suites.
- Postman:Postman is an API platform for designing, testing, documenting, and monitoring APIs.
- Best for
- Keploy:Traffic-driven test generation and sandboxed replay
- Postman:Full-stack API lifecycle platform
- Who it’s for
- Keploy:Developers and engineering teams needing automated integration and API testing.
- Postman:Developers and teams building, testing, and managing APIs.
- Pricing
- Keploy:Freemium
- Postman:Freemium
- Starting price
- Keploy:$19/month per user (Pro)
- Postman:$9/month (Solo)
- Free plan or trial
- Keploy:Free trial
- Postman:Free plan (Free)
- Plans
- Keploy:Pro $19/user/mo per month
- Postman:Free $0 · Solo $9 per month (billed annually) · Team $19 per user/month (billed annuall
- Open source
- Keploy:Yes, 18,697 GitHub stars
- Postman:—
- Works with
- Keploy:Node, Go, Java, Python, GitHub, GitLab, Jenkins, Argo
- Postman:VS Code, Git, AWS, Postman CLI, Postman API
Keploy features
- Live traffic capture. Records HTTP, gRPC, GraphQL, Kafka and database calls via eBPF without code changes.
- Auto test generation. Creates realistic API tests and edge-case scenarios from captured traffic and OpenAPI specs.
- Dependency mocking. Generates smart mocks for databases, queues, caches and third-party APIs.
- CI/CD replay. Runs captured traffic as regression tests in CI pipelines with isolation.
- AI-enhanced testing. Uses OpenAI/Gemini to expand edge cases, self-heal tests and detect bugs.
- Kubernetes support. Records traffic from Kubernetes clusters and provides production-grade dashboards.
- Team collaboration. Provides shared mock registry, viewer seats and role-based access controls.
- Open-source core. Core platform is Apache-2.0 licensed; enterprise adds advanced features.
Postman features
- API design & discovery. Create, version, and explore APIs with the Context Graph and API discovery tools.
- Automated testing. Generate collections, run automated tests, and perform performance testing with unlimited runners.
- Mock servers. Spin up mock servers to simulate APIs before they exist.
- API monitoring. Monitor live endpoints for uptime, drift, and performance metrics.
- CI/CD integration. Run collection and governance checks on every commit via Postman CLI and integrations.
Keploy vs Postman FAQ
What is the difference between Keploy and Postman?+
Postman requires manual request design; Keploy auto-generates tests from live traffic.
Should I use Keploy or Postman?+
Pick Keploy if you want traffic-driven test generation and sandboxed replay, open-source code (keploy/keploy on GitHub, Apache-2.0 license) or integrations with Node, Go or Java (on Keploy's list, not Postman's). Pick Postman if you want full-stack API lifecycle platform, manual API design and testing or integrations with VS Code, Git or AWS (on Postman's list, not Keploy's).
Is Keploy or Postman free?+
Keploy has a free plan; paid plans start at $19/month per user (Pro). Postman has a free plan; paid plans start at $9/month (Solo).
Which is cheaper, Keploy or Postman?+
Keploy starts at $19/month per user (Pro) and Postman starts at $9/month (Solo); the plans are billed differently, so compare what's included.
Is Keploy or Postman open source?+
Keploy is open source (keploy/keploy on GitHub, Apache-2.0 license). DevHunt has no public source repository on record for Postman.
Do Keploy and Postman integrate with the same tools?+
Their integration lists don't overlap: Keploy lists Node, Go, Java, Python and 10 more; Postman lists VS Code, Git, AWS, Postman CLI and 1 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.