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WireMock vs Keploy

WireMock lands on Worth it, and Keploy lands on Depends.

WireMock

wiremock.org

Worth it
Confidence: Medium

Buy if your dev team builds or tests services against unreliable, third-party, or not-yet-built APIs . the open-source core is free and widely proven.

Read the full report

Keploy

keploy.io

Depends
Confidence: Medium

Buy if your dev team is API-heavy, wants tests auto-generated from real traffic, and will run the latest patched version.

Read the full report

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WireMock versus Keploy
CompareWireMockKeploy
VerdictWorth itDepends
Best forJava and Spring Boot teamsAPI-heavy dev teams
Who it's not forDevelopers needing one-off quick mocks . Postman's built-in mock server sufficesOrgs that can't patch agents promptly . known TLS-key CVE
PrivacyOlder-version CVEs exist (all patched in current releases); no breaches known; independent pentest completed in 2025.⁷One known 2026 CVE: agent API lacked authentication and exposed TLS keys in versions 3.1.0-3.6.25; patch before production use.
Support qualityNo support evidence in sourcesNo customer support evidence found
Public sentimentDeveloper communities and review sites consistently recommend WireMock, especially for Java, Spring Boot, and microservices testing.14G2 users consistently praise Keploy and Reddit QA threads show active team adoption, while Glassdoor employee reviews are mixed.
Biggest gotchaAdmin API lacks default authentication; never expose mock servers publicly.⁹CVE-2026-82641: agent control API lacked authentication, exposing TLS keys on 3.1.0-3.6.25. Upgrade before production use.

Pick WireMock when

  • Java and Spring Boot teams
  • Microservices integration testing
  • Teams blocked by unstable third-party APIs
  • Enterprise platform teams standardizing mocks

When WireMock is not a fit

  • Developers needing one-off quick mocks . Postman's built-in mock server suffices
  • Spec-first contract testing purists . critics say it ignores API specs
  • Non-developers . this is a CLI/library developer tool
  • Guess: frontend-only mocking of your own backend . lighter tools fit better

Pick Keploy when

  • API-heavy dev teams
  • Teams wanting tests from real traffic
  • CI/CD pipeline owners
  • Open-source-first shops

When Keploy is not a fit

  • Orgs that can't patch agents promptly . known TLS-key CVE
  • Buyers needing published pricing and mature enterprise support
  • No-code QA teams . look at ACCELQ instead
  • Tiny side projects . manual tests beat running an agent

Sources

  1. WireMock official sitewiremock.org
    official
  2. WireMock GitHub repositorygithub.com
    official
  3. WireMock Cloud reviews . AWS Marketplaceaws.amazon.com
    review
  4. WireMock Cloud reviews . G2g2.com
    review
  5. WireMock AI market snapshot . DevTunedevtune.ai
    review
  6. WireMock lands $6.5M seed . TechCrunchtechcrunch.com
    news
  7. CVE-2023-41329 . NVDnvd.nist.gov
    security
  8. WireMock CVE list . OpenCVEapp.opencve.io
    security
  9. WireMock admin API security . Stack Overflowstackoverflow.com
    security
  10. Specmatic critique of WireMock spec handlingspecmatic.io
    review
  11. WireMock Cloud pricing pagewiremock.io
    official
  12. WireMock pricing . Vendrvendr.com
    official
  13. Fortune 100 media company case studywiremock.io
    official
  14. Recommendations thread . Reddit r/nodereddit.com
    review
  15. Keploy homepagekeploy.io
    official
  16. Keploy Pricingkeploy.io
    official