Insomnia vs Postman

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 #3) 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

InsomniaPostman
Top 11 rank#3 / The 11 Best API Testing Tools (2026)#1 / The 11 Best API Testing Tools (2026)
Score (out of 9.4)8.69.2
Best forFast client with strong GraphQL supportAll-round team API testing
Pricing$$ (Free tier, paid ~$12-$25/user/mo)$$ (Free tier, teams ~$14-$29/user/mo)
HQSan Francisco, USASan Francisco, USA
Founded20162014

Insomnia

A clean, fast client with excellent GraphQL and gRPC handling.

insomnia.rest/

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

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)

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