Best RESTK Alternatives in 2026
Updated
20 tools from API clients ranked against RESTK on the same published basis.
- 1RESTK vs Postman
- 2RESTK vs Apidog
- 3RESTK vs Testfully
- 4RESTK vs Insomnia
- 5RESTK vs Bruno
- 6RESTK vs SoapUI
- 7RESTK vs Kreya
- 8RESTK vs Hoppscotch
- 9RESTK vs Firecamp
- 10RESTK vs Altair GraphQL Client
- 11RESTK vs Requestly
- 12RESTK vs OpenReq
- 13RESTK vs grpcurl
- 14RESTK vs httpYac
- 15RESTK vs Thunder Client
- 16RESTK vs ReadyAPI
- 17RESTK vs Vegha
- 18RESTK vs HTTPie
- 19RESTK vs grpcui
- 21RESTK vs Hurl
RESTK alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Postman | 9.1 | Free plan | $9/mo | Browser, Linux, Mac, Web, Windows |
| 2 | Apidog | 9.0 | Free plan | $9/mo | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 3 | Testfully | 8.9 | Free plan | $10/mo | Browser, Linux, Mac, Web, Windows |
| 4 | Insomnia | 8.7 | Free plan | $12/mo | Linux, Mac, self-hosted, Windows |
| 5 | Bruno | 8.7 | Free plan | $6/mo | API, Browser, Linux, Mac, Windows |
| 6 | SoapUI | 8.4 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 7 | Kreya | 8.4 | Free plan | $5/mo | Linux, Mac, Windows |
| 8 | Hoppscotch | 8.3 | Free plan | $6/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 9 | Firecamp | 8.3 | Free plan | $4,959/mo | Linux, Mac, self-hosted, Web, Windows |
| 10 | Altair GraphQL Client | 8.2 | Free plan | — | Browser, Linux, Mac, self-hosted, Web, Windows |
| 11 | Requestly | 8.0 | No | $10/mo | Linux, Mac, Windows |
| 12 | OpenReq | 8.0 | Free plan | Free | Browser, self-hosted, Web, Windows |
| 13 | grpcurl | 7.8 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 14 | httpYac | 7.6 | Free plan | Free | Browser, self-hosted |
| 15 | Thunder Client | 7.5 | Free plan | $3/mo | Windows, Mac, Linux |
| 16 | ReadyAPI | 7.4 | No | — | Web |
| 17 | Vegha | 7.4 | Free plan | Free | Windows, Mac, Linux |
| 18 | HTTPie | 7.3 | No | — | Web, Windows, Mac, Linux |
| 19 | grpcui | 7.3 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 21 | Hurl | 7.0 | No | — | Windows, Mac, Linux |
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Questions about RESTK alternatives
What is the best alternative to RESTK?
Postman, number 1 in API clients with a score of 9.1 out of 10. The others here: Apidog, Testfully, Insomnia and 16 more.
What is the best free alternative to RESTK?
Postman 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 what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.