Dev tools · alternatives · 2026

24 alternatives to Postkit 2.0

Codepen for mock APIs

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Postkit 2.0 launched in 2019; newer entries below may have overtaken it.

1. 1
   Postkit▲74

   Effortlessly create API endpoints in the browser

   2018 · its alternatives →

2. 2
   Instant App Websites by LaunchKit▲433

   Create a smart website for your app in minutes (for free)

   2015 · launchkit.io · its alternatives →

3. 3
   Prkit.co▲571

   Create a professional press kit for your company

   2017 · prkit.co · its alternatives →

4. 4
   API_TESTER▲249

   Test your APIs right from the macOS menu bar

   2025 · apps.apple.com · its alternatives →

5. 5
   BuilderKit▲647

   Build and ship AI tools super fast

   2024 · builderkit.ai · its alternatives →

6. 6
   Postkit▲105

   Programmatic image generation for social media

   2020 · postkit.co · its alternatives →

7. 7
   Mock API Generator▲555

   Generate custom data & API to build apps in less than 30s

   2021 · retool.com · its alternatives →

8. 8
   Postman for Mac (Beta)▲372

   Build, test, and document your APIs faster

   2016 · postman.com · its alternatives →

9. 9
   Codekit ▲215

   Steroids for web developers - build web applications fast.

   2014 · incident57.com · its alternatives →

10. 10
    Testkit Public Beta▲110

    Create codeless tests that fix themselves with AI

    2022 · testkit.app · its alternatives →

11. 11
    BuildKit 2.0▲210

    BuildKit 2.0 is our attempt at making integrations feel like shadcn/ui: simple, composable, and copy-pasteable. Instead of wiring APIs by hand, you describe what you want: ``` Create me a tool called fetchGmailEmails in my Vercel AI SDK agent using BuildKit ``` …and you've got a working Gmail integration in minutes with a single prompt. * Works with Vercel AI SDK, LangChain, MCP servers * 25k+ actions across 150+ integrations Links: [Docs](https://buildkit.picaos.com/integrations) | [Video](https://x.com/katibmoe/status/1963605221856178203) We'd…

    2025 · buildkit.picaos.com · its alternatives →

12. 12
    Postkite.io▲72

    A super simple announcements widget, made for startups

    2022 · its alternatives →

13. 13
    Hello API▲187

    Turn your boring API docs into an interactive playground

    2024 · helloapi.co · its alternatives →

14. 14
    Blogkit▲151

    Create a fast & SEO-ready blog in minutes

    2023 · blogkit.dev · its alternatives →

15. 15
    Mock Maker▲93

    Effortless mock APIs for seamless testing & prototyping

    2024 · its alternatives →

16. 16
    Akto's Test Editor▲143

    Your playground for writing custom API security tests

    2023 · akto.io · its alternatives →

17. 17
    AppingKit▲130

    A starter template to build mobile apps with React Native

    2019 · its alternatives →

18. 18
    AppToolkit▲146

    Useful tools for mobile app creators

    2017 · apptoolkit.io · its alternatives →

19. 19
    Library of API collections for Postman▲77

    Accelerate API development with Postman's all-in-one platform. Streamline collaboration and simplify the API lifecycle for faster, better results. Learn more.

    2017 · postmancollections.com · its alternatives →

20. 20
    Blogkit AI Writer▲122

    Generate High-Quality Blog Posts In ~30 seconds

    2023 · blogkit.dev · its alternatives →

21. 21
    API Point▲90

    Automate all your routine dev work for free with API

    2022 · its alternatives →

22. 22
    PoemKit▲82

    React toolkit for fast web design and development

    2021 · github.com · its alternatives →

23. 23
    Rapidmock▲4

    Generate a mock API in seconds.

    2022 · its alternatives →

24. 24
    FixtureKit▲31

    Turn TypeScript interfaces into realistic mock data

    Jun 2026 · fixture-kit.vercel.app · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →