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Keploy vs Postman

Postman requires manual request design; Keploy auto-generates tests from live traffic.

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.

Which 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

Keploy

1 upvote · Launching on DevHunt on Feb 25, 2031

Based on each tool's website and DevHunt data. Details may change; check the official sites.