Dev tools · alternatives · 2026

24 alternatives to spacehook

Simple & easy to use mock api endpoints

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. spacehook launched in 2023; newer entries below may have overtaken it.

1. 1
   Mock API Generator▲548

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

   2021 · its alternatives →

2. 2
   Decoy▲99

   Local server mocks in macOS, all in a lightweight native app

   Mar 2026 · decoy-app.com · its alternatives →

3. 3
   MockAPI Dog▲122

   Instant mock REST & LLM APIs - free, no signup required

   Feb 2026 · mockapi.dog · its alternatives →

4. 4
   SpacePigeon▲93

   Saved Workspaces for macOS

   Nov 2025 · github.com · its alternatives →

5. 5
   Spaces▲88

   Build collaborative environments in just a few lines of code

   2023 · its alternatives →

6. 6
   Hello API▲187

   Turn your boring API docs into an interactive playground

   2024 · helloapi.co · its alternatives →

7. 7
   Webhook Catcher▲105

   Create instant disposable Webhooks to inspect & respond fast

   2025 · webhook.projext.in · its alternatives →

8. 8MO
   Mockit – Open-source app to create and configure HTTP mocked endpoints▲158

   2019 · mockit.netlify.com · its alternatives →

9. 9ST
   Simple tool to generate mock APIs for testing▲25

   2024 · endpts.io · its alternatives →

10. 10
    Mock API Generator▲17

    API Mocks Prototyping

    2020 · its alternatives →

11. 11
    Spaces by proto.io▲155

    A community to showcase your interactive prototypes

    2014 · its alternatives →

12. 12
    useHooks(🐠)▲96

    One new React Hook recipe every day

    2018 · its alternatives →

13. 13
    Platapi▲108

    Convert OpenAPI docs to working dynamic mock endpoints

    2024 · its alternatives →

14. 14
    AI-Powered Mock API Generator▲86

    Generate customized, realistic mock data & APIs, via GPT

    2023 · its alternatives →

15. 15
    ezyMock▲81

    Mocking API endpoints has never been easier

    2017 · its alternatives →

16. 16
    Mockable▲114

    For rapid API prototyping: create REST/SOAP mocks in 3 sec

    2015 · its alternatives →

17. 17
    InterimAPI▲68

    Custom API endpoints with realistic fake data in seconds

    2022 · its alternatives →

18. 18OM
    OpenAPI mocks that don't suck – realistic test data, quick setup▲13

    Hi HN! I'm Ankit, the founder of Beeceptor, a request mocking and intercepting tool. This time, I built something new to address a pain I’ve personally felt (and heard from dozens of QA, frontend, and platform teams): making OpenAPI specs actually useful during development. API contracts just sit around as docs often. What if you could 'activate' them, instantly have a realistic, hosted mock server-with contract validation, smart test data, and early usage? So I made _Mockaroo for OpenAPI_, but with brains. It spins up a hosted mock server from your spec in one click. It: - Generates…

    2025 · beeceptor.com · its alternatives →

19. 19
    Mocktail – Free, open-source mock API server with a built-in dashboard▲25

    Hi HN, I built the first version of Mocktail years ago. I recently came back to the project, and after a pretty substantial rebuild, v4 is now out. Mocktail is a free and open-source, self-hosted mock API server with a built-in dashboard and database, packaged as a single ~25 MB binary. You can run it locally or on your own infrastructure — no account or hosted service required. You can define endpoints and responses, generate realistic data per request, customize headers, status codes and latency, and inspect incoming requests in real time. With v4, I also added MCP support, so coding…

    28d ago · getmocktail.com · its alternatives →

20. 20
    miniBackend▲6

    Create GET, POST, DELETE and PUT REST APIs with a few clicks

    2019 · its alternatives →

21. 21
    Platapi▲19

    Auto-generate mock endpoints from OpenAPI docs

    2025 · its alternatives →

22. 22
    endpointy.io▲3

    Mock API in just a few seconds

    2024 · its alternatives →

23. 23
    APImocka▲6

    Create a hosted hackable mock API backend in seconds

    2018 · its alternatives →

24. 24MC
    MockREST – Create REST APIs from Your JSON Content▲12

    2017 · mockrest.com · 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 →