Katalon vs Keploy
Side-by-side from the Top 11 ranking of Postman vs Bruno vs Insomnia: 11 Best API Testing Tools 2026. Last verified July 14, 2026.
The short answer
Katalon ranks higher on Top 11 (#6 vs #11) for Backend engineers, QA automation teams, and platform teams validating REST, GraphQL, gRPC, and SOAP APIs. One platform for API, web, and mobile test automation.
At a glance
| Katalon | Keploy | |
|---|---|---|
| Top 11 rank | #6 / Postman vs Bruno vs Insomnia: 11 Best API Testing Tools 2026 | #11 / Postman vs Bruno vs Insomnia: 11 Best API Testing Tools 2026 |
| Score (out of 9.4) | 8 | — |
| Best for | Unified API, web, and mobile QA | Auto-generated tests from live traffic |
| Pricing | $$$ (Free tier, paid from ~$175/user/mo) | $ (Open source free; cloud tier available) |
| HQ | Atlanta, USA | San Francisco, USA |
| Founded | 2016 | 2021 |
Katalon
One platform for API, web, and mobile test automation.
katalon.com/See full entry in Postman vs Bruno vs Insomnia: 11 Best API Testing Tools 2026
Keploy
Turns recorded traffic into tests and mocks automatically.
keploy.io/See full entry in Postman vs Bruno vs Insomnia: 11 Best API Testing Tools 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.