Postman vs Katalon
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
Postman ranks higher on Top 11 (#1 vs #6) for Backend engineers, QA automation teams, and platform teams validating REST, GraphQL, gRPC, and SOAP APIs. The most complete option for teams that need authoring, automation, and CI in one place.
At a glance
| Postman | Katalon | |
|---|---|---|
| Top 11 rank | #1 / Postman vs Bruno vs Insomnia: 11 Best API Testing Tools 2026 | #6 / Postman vs Bruno vs Insomnia: 11 Best API Testing Tools 2026 |
| Score (out of 9.4) | 9.2 | 8 |
| Best for | All-round team API testing | Unified API, web, and mobile QA |
| Pricing | $$ (Free tier, teams ~$14-$29/user/mo) | $$$ (Free tier, paid from ~$175/user/mo) |
| HQ | San Francisco, USA | Atlanta, USA |
| Founded | 2014 | 2016 |
Postman
The most complete option for teams that need authoring, automation, and CI in one place.
www.postman.com/See full entry in Postman vs Bruno vs Insomnia: 11 Best API Testing Tools 2026
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
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.