Software Alternatives, Accelerators & Startups

HttpMaster

HttpMaster is a professional software tool for testing and debugging HTTP applications, primarily aimed at REST API applications and web services.

Some of the top features or benefits of HttpMaster are: HttpMaster project to store complete definition of API calls in one single place, Broad set of http properties, Dynamic parameters to simulate variations of input data or create global API values, Response data validation with logical expressions, Request chaining to use data from previous request with the next request, Extensive data upload support, including 'multipart/form-data', and Request data builder for creating request body with an optional dynamic parameters. You can visit the info page to learn more.

Best HttpMaster Alternatives & Competitors in 2025

The best HttpMaster alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 33

    API performance, accuracy, and uptime testing. Without code.

    /api-fortress-alternatives
  2. 36

    Open source API development ecosystem

    Open Source freemium

    /hoppscotch-alternatives
  3. Powerful SaaS integration toolkit for SaaS developers - create, amplify, manage and publish native integrations from within your app with Cyclr's flexible Embedded iPaaS.

    Try for free paid Free Trial

    Try for free
  4. 32

    Easy mocking of any system you integrate with via HTTP or HTTPS.

    Open Source

    /mockserver-alternatives
  5. 31

    Debug web hooks, http clients

    /request-inspector-alternatives
  6. 29

    API Traffic Inspector

    /curlhub-io-alternatives
  7. 31

    Bearer is an open source, fast and accurate static application security testing (SAST) tool that analyze your source code to discover, filter and prioritize security and privacy risks.

    Open Source freemium

    /bearer-alternatives
  8. 31

    Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.

    Open Source freemium $14.0 / Monthly

    /webhook-site-alternatives
  9. 17

    The Collaboration Platform for API Development

    Open Source

    /postman-alternatives
  10. 32

    Assertible software provides you with a simple and quick way to monitor your web services. It comes with automated QA tools that users can utilize to test and monitor their web services on different platforms and environments.

    /assertible-alternatives
  11. 27

    Inspect and debug HTTP requests

    /requestwatch-alternatives
  12. 28

    Secure REST API Rapid Development Platform

    /restcase-alternatives
  13. 30

    Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.

    freemium $10.0 / Monthly (Per endpoint)

    /beeceptor-alternatives
  14. 29

    Crosscheck Networks designed SOAPSonar from the ground-up as a comprehensive testing solution with...

    /crosschecknet-com-soapsonar-alternatives
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