Best OpenAPI Mock Alternatives in 2026
Updated
20 apps from API mocking tools ranked against OpenAPI Mock on the same published basis.
- 1OpenAPI Mock vs Microcks
- 2OpenAPI Mock vs Mockzilla
- 3OpenAPI Mock vs MockServer
- 4OpenAPI Mock vs WireMock
- 5OpenAPI Mock vs Mockfly
- 6OpenAPI Mock vs Knockout API
- 7OpenAPI Mock vs MockAPI
- 8OpenAPI Mock vs moqapi.dev
- 9OpenAPI Mock vs WireMock
- 10OpenAPI Mock vs Stoplight Elements
- 11OpenAPI Mock vs Parasoft SOAtest
- 12OpenAPI Mock vs Imposter
- 13OpenAPI Mock vs Mockoon
- 15OpenAPI Mock vs Mock Service Worker
- 16OpenAPI Mock vs Mocki
- 17OpenAPI Mock vs OpenAPI Server
- 18OpenAPI Mock vs Hoverfly
- 19OpenAPI Mock vs Mirage JS
- 20OpenAPI Mock vs API-Mocked
- 21OpenAPI Mock vs Beeceptor
OpenAPI Mock alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microcks | 6.7 | Free plan | Free | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 2 | Mockzilla | 6.7 | Free plan | $10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | MockServer | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | WireMock | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | Mockfly | 6.5 | Free plan | €15/mo | API, Browser, Linux, self-hosted, Web |
| 6 | Knockout API | 6.4 | Free plan | $0.02/mo | API, Web |
| 7 | MockAPI | 6.4 | Free plan | $2.92/mo | API, Web |
| 8 | moqapi.dev | 6.4 | Free plan | $29/mo | API, Web |
| 9 | WireMock | 6.4 | Free plan | Free | API, Linux, self-hosted, Web |
| 10 | Stoplight Elements | 6.3 | Free plan | Free | self-hosted, Web |
| 11 | Parasoft SOAtest | 5.7 | No | — | Android, API, iOS, Linux, Mac, self-hosted, Windows |
| 12 | Imposter | 5.6 | No | — | Linux, Mac, self-hosted, Windows |
| 13 | Mockoon | 5.6 | No | €10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 15 | Mock Service Worker | 5.4 | No | — | self-hosted, Web |
| 16 | Mocki | 5.4 | No | $15/mo | API, self-hosted, Web |
| 17 | OpenAPI Server | 5.3 | No | — | API, self-hosted |
| 18 | Hoverfly | 5.2 | No | $10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 19 | Mirage JS | 5.2 | No | — | Web |
| 20 | API-Mocked | 5.1 | No | — | — |
| 21 | Beeceptor | 5.1 | No | — | Web |
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Questions about OpenAPI Mock alternatives
What is the best alternative to OpenAPI Mock?
Microcks, number 1 in API mocking tools with a score of 6.7 out of 10. The others here: Mockzilla, MockServer, WireMock and 16 more.
What is the best free alternative to OpenAPI Mock?
Microcks is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.