Alternatives

Products that do what API Fortress does

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

1. 1
   Blitz▲127

   Performance testing on websites, web apps & REST APIs

   2015

2. 2
   API Tester▲209

   The easiest way to test APIs

   2017

3. 3
   APIEval-20▲121

   An open benchmark for AI agents that test APIs

   May 2026

4. 4
   Pushpin▲79

   Building and scaling realtime APIs made easy

   2015

5. 5
   Gun.io▲113

   World-class technical talent, on tap.

   2014

6. 6
   wallarm▲151

   Reveal security flaws in web apps and APIs

   2016

7. 7
   BitScoop▲124

   Create software better, faster, smarter.

   2017

8. 8
   Nightfall Developer Platform▲154

   API to classify & protect sensitive data in any application

   2021

9. 9
   API.stream▲122

   API to build cloud-native live streaming production tools

   2022

10. 10
    Clearbit's Risk API▲189

    Identify spam signups & bad actors

    2017

11. 11
    Inspekt▲98

    AI-powered API proxy for automated debugging and security

    Mar 2026

12. 12
    ApiHome▲73

    Home of API testing

    2022

13. 13
    ApiChecker▲104

    Reliable uptime and performance monitoring for your services

    2019

14. 14
    API Point▲90

    Automate all your routine dev work for free with API

    2022

15. 15
    API Flow Integration Tool▲73

    Powerful tool for API flow integration, testing, prototyping

    2020

16. 16AM
    API Marketplace for Developers by Developers▲54

    2016 · askmacgyver.com

17. 17RB
    Rust built open-sourced CLI tool for API specification validation▲23

    2022 · github.com

18. 18AS
    API Security Assessment Tool▲6

    Free and instant penetration testing for rest APIs. Please try and let me know what do you think? https://www.apisec.ai/free-api-pen-test

    2022

19. 19AB
    API Bootstrap – A better way to build your API▲37

    2017 · apibootstrap.com

20. 20CA
    Coherence API – Modern Serverless Code. Pass a func and it runs online▲41

    2018 · coherenceapi.com

21. 21WT
    Web tool which spits out hardcoded secret API tokens in apps▲24

    2016 · android.fallible.co

22. 22AA
    Apidog – A Real Design-First API Development Platform▲5

    Development teams often struggle with using multiple tools like Postman and Swagger for API design, development, and testing. This fragmented approach leads to outdated API specs and chaotic collaboration. So we built Apidog: a single, unified API platform for team collaboration. It has a beautiful interface that makes it easy to create API spec, generate request data from API spec, validate responses, create mock data, orchestrate test scenarios, and publish API documentation. Apidog = Postman + Swagger + Mock + JMeter.

    2024 · apidog.com

23. 23OS
    Open-Source Web/API Monitoring Tool▲7

    2021 · github.com

24. 24AD
    AnyAPI – Documentation and Test Consoles for Over 150 Public APIs▲22

    2015 · any-api.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →