Best MockWebServer Alternatives in 2026
Updated
20 platforms from API mocking tools ranked against MockWebServer on the same published basis.
- 1MockWebServer vs Knockout API
- 2MockWebServer vs Microcks
- 3MockWebServer vs Mockfly
- 4MockWebServer vs Mockzilla
- 5MockWebServer vs MockAPI
- 6MockWebServer vs moqapi.dev
- 7MockWebServer vs json-server
- 8MockWebServer vs MockServer
- 9MockWebServer vs WireMock
- 10MockWebServer vs WireMock
- 11MockWebServer vs OpenAPI Server
- 12MockWebServer vs Mocki
- 13MockWebServer vs Mockoon
- 14MockWebServer vs Parasoft SOAtest
- 15MockWebServer vs Hoverfly
- 16MockWebServer vs Mockttp
- 18MockWebServer vs Stoplight Elements
- 19MockWebServer vs Imposter
- 20MockWebServer vs Mock Service Worker
- 21MockWebServer vs OpenAPI Mock
MockWebServer alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Knockout API | 7.4 | Free plan | $0.02/mo | API, Web |
| 2 | Microcks | 7.4 | Free plan | Free | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 3 | Mockfly | 7.4 | Free plan | €15/mo | API, Browser, Linux, self-hosted, Web |
| 4 | Mockzilla | 7.4 | Free plan | $10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | MockAPI | 7.3 | Free plan | $2.92/mo | API, Web |
| 6 | moqapi.dev | 7.3 | Free plan | $29/mo | API, Web |
| 7 | json-server | 7.2 | Free plan | Free | API, self-hosted |
| 8 | MockServer | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 9 | WireMock | 7.2 | Free plan | Free | API, Linux, self-hosted, Web |
| 10 | WireMock | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 11 | OpenAPI Server | 7.0 | No | — | API, self-hosted |
| 12 | Mocki | 6.9 | No | $15/mo | API, self-hosted, Web |
| 13 | Mockoon | 6.9 | No | €10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 14 | Parasoft SOAtest | 6.9 | No | — | Android, API, iOS, Linux, Mac, self-hosted, Windows |
| 15 | Hoverfly | 6.7 | No | $10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 16 | Mockttp | 5.9 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 18 | Stoplight Elements | 5.8 | Free plan | Free | self-hosted, Web |
| 19 | Imposter | 5.6 | No | — | Linux, Mac, self-hosted, Windows |
| 20 | Mock Service Worker | 5.6 | No | — | self-hosted, Web |
| 21 | OpenAPI Mock | 5.6 | No | — | Linux, self-hosted, Windows |
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Questions about MockWebServer alternatives
What is the best alternative to MockWebServer?
Knockout API, number 1 in API mocking tools with a score of 7.4 out of 10. The others here: Microcks, Mockfly, Mockzilla and 16 more.
What is the best free alternative to MockWebServer?
Knockout API is the best-ranked alternative with a free plan. 12 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.