Best Smithy Alternatives in 2026
Updated
20 platforms from API design tools ranked against Smithy on the same published basis.
- 1Smithy vs Apidog
- 2Smithy vs Pact
- 3Smithy vs Postman
- 4Smithy vs oasdiff
- 5Smithy vs WireMock
- 6Smithy vs GraphQL Hive
- 7Smithy vs OpenAPI Studio
- 8Smithy vs SwaggerHub
- 9Smithy vs PactFlow
- 10Smithy vs Swagger Editor
- 11Smithy vs Apollo Studio
- 12Smithy vs Microcks
- 13Smithy vs TypeSpec
- 14Smithy vs Mockoon
- 15Smithy vs MockServer
- 16Smithy vs Redocly
- 17Smithy vs Schemathesis
- 18Smithy vs Stoplight Elements
- 19Smithy vs WSO2 API Designer
- 20Smithy vs AsyncAPI Studio
Smithy alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Apidog | 8.0 | Free plan | $9/mo | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 2 | Pact | 7.9 | Free plan | $115.42/mo | API, Linux, Mac, self-hosted, Windows |
| 3 | Postman | 7.9 | Free plan | $9/mo | Browser, Linux, Mac, Web, Windows |
| 4 | oasdiff | 7.8 | Free plan | $100/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | WireMock | 7.8 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 6 | GraphQL Hive | 7.6 | Free plan | $20/mo | API, self-hosted, Web |
| 7 | OpenAPI Studio | 7.6 | Free plan | $9/mo | self-hosted, Web |
| 8 | SwaggerHub | 7.6 | Free plan | $61.67/mo | self-hosted, Web |
| 9 | PactFlow | 7.5 | Free plan | $115.42/mo | API, self-hosted, Web |
| 10 | Swagger Editor | 7.5 | Free plan | Free | self-hosted, Web |
| 11 | Apollo Studio | 7.4 | Free plan | $5/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 12 | Microcks | 7.4 | Free plan | Free | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 13 | TypeSpec | 7.4 | Free plan | Free | Browser, Linux, Mac, Web, Windows |
| 14 | Mockoon | 7.2 | No | €10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 15 | MockServer | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 16 | Redocly | 7.1 | No | $10/mo | API, Browser, Web |
| 17 | Schemathesis | 7.1 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 18 | Stoplight Elements | 6.9 | Free plan | Free | self-hosted, Web |
| 19 | WSO2 API Designer | 6.9 | No | $119/mo | Browser, Linux, Mac, Web, Windows |
| 20 | AsyncAPI Studio | 6.4 | No | — | Linux, Mac, Web, Windows |
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Questions about Smithy alternatives
What is the best alternative to Smithy?
Apidog, number 1 in API design tools with a score of 8.0 out of 10. The others here: Pact, Postman, oasdiff and 16 more.
What is the best free alternative to Smithy?
Apidog is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.