Postman AlternativesOnly apps categorised as Automated Testing Tools

The best Automated Testing alternative to Postman is OpenReq, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 100 alternatives to Postman, but unfortunately only two of them are Automated Testing Tools.

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Postman alternatives are mainly Automated Testing Tools Other popular filters include Open Source, Linux, Web Development, Online, Self-Hosted, Mac and Android. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Postman.
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Alternatives list

  1. OpenReq icon

    OpenReq

     2 likes

    Build, test, and debug your APIs with a self-hosted tool that does what you actually need. Scripts, environments, OAuth 2.0, code generation, and an AI wizard that builds collections from your docs — no account required, no limits.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
    • Docker
    • Self-Hosted
    OpenReq screenshot 1
     
  2. A2Apex icon

    A2Apex

     Like

    The trust layer for AI agents. Test, certify, and discover trusted AI agents built on Google's A2A protocol. 50+ automated compliance tests, trust scores, certification badges, and an agent directory.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    A2Apex screenshot 1
     
2 of 2 Postman alternatives