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Best API Testing Tools 2026: Postman vs Insomnia vs Bruno vs Hurl

API testing tools range from GUI-heavy collaboration platforms to CLI-native text-based testers. Postman, Insomnia, Bruno, and Hurl each serve different workflows. Here's which one matches how you develop and test APIs.

Quick Comparison

Postman Insomnia Bruno Hurl

Type GUI + cloud sync GUI + local/cloud GUI + Git-native (files)

Storage Postman Cloud Local or Insomnia Cloud Local files (plain text)

Version control Postman workspaces Git sync (collections) Git-native (folder of files)

Collaboration Excellent (workspaces, comments) Good (Insomnia Cloud) Via Git (PR reviews)

Free tier Limited (3 collaborators) Generous (local + git) Open source (MIT)

GraphQL Yes Excellent (native) Yes

gRPC Yes (beta) Yes No

Scripting JavaScript (pre/post scripts) Plugins (JS) Scripting (JS)

CI/CD…