Postman vs Keploy

Side-by-side from the Top 11 ranking of The 11 Best API Testing Tools (2026). Last verified July 14, 2026.

The short answer

Postman ranks higher on Top 11 (#1 vs #11) 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

PostmanKeploy
Top 11 rank#1 / The 11 Best API Testing Tools (2026)#11 / The 11 Best API Testing Tools (2026)
Score (out of 9.4)9.27.1
Best forAll-round team API testingAuto-generated tests from live traffic
Pricing$$ (Free tier, teams ~$14-$29/user/mo)$ (Open source free; cloud tier available)
HQSan Francisco, USASan Francisco, USA
Founded20142021

Postman

The most complete option for teams that need authoring, automation, and CI in one place.

www.postman.com/

See full entry in The 11 Best API Testing Tools (2026)

Keploy

Turns recorded traffic into tests and mocks automatically.

keploy.io/

See full entry in The 11 Best API Testing Tools (2026)

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.