Postman AlternativesOnly apps categorised as Uptime Monitor Services

The best Uptime Monitor alternative to Postman is Treblle, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to Postman and three of them are Uptime Monitor Services so hopefully you can find a suitable replacement. Other interesting Uptime Monitor Service alternatives to Postman are Assertible and Flowtest.

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Most Postman alternatives are API Clients, but you can also narrow the list to Error Loggers or HTTP Clients. Other popular filters are Linux, Open Source, Web Development, Online and Android. You can also filter for EU-based alternatives if you prefer software from the European Union.
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Alternatives
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Alternatives list

  1. Treblle icon

    Treblle

     3 likes

    Treblle is a federated API Intelligence platform delivering full API visibility, security, and control from one integration point.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    • HR flagCroatia
    • European Union flagEU
    Treblle screenshot 1
    Good alternative?
     
  2. Assertible icon

    Assertible

     5 likes

    Assertible is the easiest way to test and monitor your APIs and helps reduce bugs in web apps by providing tools to continuously validate endpoints and responses with a flexible interface to run your tests any time and place.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • US flagUnited States
    Assertible screenshot 1
    Good alternative?
     
  4. Flowtest icon

    Flowtest

     Like

    Create multi-step HTTP API checks in a visual editor by chaining requests, extracting response values, applying conditional logic, and setting assertions. Runs can be scheduled or triggered in CI/CD, logging payloads, assertion results, and timings for debugging.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    • ES flagSpain
    • European Union flagEU
    View execution details to find what happend.
    Good alternative?
     
3 of 3 Postman alternatives