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Prompt

Insomnia alternatives for API testing

Technology / Testing & QA1 observationLast seen Oct 6, 2026

Latest observation

Oct 6, 2026OpenAI APIWeb search: off

Here are some good Insomnia alternatives for API testing, depending on what you need:

Popular desktop/API client tools

  • Postman — the most well-known option; great for REST, GraphQL, auth flows, collections, environments, and collaboration.
  • Hoppscotch — lightweight, web-based, fast, open source; good for quick REST/GraphQL/WebSocket testing.
  • Thunder Client — a VS Code extension; nice if you want API testing inside your editor.
  • Paw (macOS only) — polished native app for macOS users.
  • Bruno — open-source, file-based API client; good if you want version control-friendly workflows.

More developer-focused / terminal tools

  • HTTPie — excellent CLI tool for testing APIs from the command line.
  • cURL — universal and scriptable, though less user-friendly.
  • REST Client (VS Code extension) — run requests directly from .http files.

Collaboration / testing suites

  • Paw / Postman / Bruno — depending on whether you need team sharing, environments, or Git-based workflows.
  • SoapUI — better if you need SOAP testing and more enterprise-style API testing.

Best picks by use case

  • Best overall: Postman
  • Best lightweight web app: Hoppscotch
  • Best VS Code integration: Thunder Client or REST Client
  • Best Git-friendly workflow: Bruno
  • Best CLI: HTTPie

If you want, I can also give you:

  1. a comparison table, or
  2. recommendations based on your OS and workflow.

Brands

PostmanHoppscotchThunder ClientPawBrunoHttpieCurlRest ClientSoapui

Observation history

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