Dev tools · alternatives · 2026

24 alternatives to RequestResponse.app

A simple tool for testing API requests (no account needed)

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. RequestResponse.app launched in 2024; newer entries below may have overtaken it.

1. 1
   Endpoints▲114

   View and respond to requests on an HTTP endpoint

   2018 · its alternatives →

2. 2
   HTTP Response API▲102

   Test how your code reacts to varying HTTP responses

   2023 · its alternatives →

3. 3ED
   Endpoints.dev – Pastebin for HTTP Requests▲201

   2020 · endpoints.dev · its alternatives →

4. 4
   Request▲5

   Minimal HTTP Client for restful API development and testing.

   2022 · its alternatives →

5. 5
   ReplyToAppReviews▲182

   Reply to App/Game reviews using AI

   2024 · its alternatives →

6. 6
   Session Replays by Requestly▲518

   Debug web apps faster with record & replay

   2023 · its alternatives →

7. 7
   API_TESTER▲249

   Test your APIs right from the macOS menu bar

   2025 · apps.apple.com · its alternatives →

8. 8
   req▲71

   A lightweight, minimal yet powerful API testing tool

   2022 · its alternatives →

9. 9
   cRequest▲7

   A HTTP requests inspection tool

   2025 · crequest.cronhooks.io · its alternatives →

10. 10
    Reffresh▲91

    Simple, no code, mock APIs

    2024 · its alternatives →

11. 11
    httpbin(1)▲105

    HTTP request and response service

    2014 · its alternatives →

12. 12
    Requestly 2.0▲112

    Intercept & modify HTTP requests

    2021 · its alternatives →

13. 13
    Reqres▲131

    A hosted REST-API for testing your front-end against

    2014 · its alternatives →

14. 14
    HTTP Request Online▲5

    HTTP Request Online - Free API Testing Tool

    Dec 2025 · httprequest.net · its alternatives →

15. 15MM
    ModResponse – Mock, modify, and replay HTTP response▲16

    2022 · chrome.google.com · its alternatives →

16. 16
    HTTP Prompt▲128

    An interactive command-line HTTP client

    2016 · its alternatives →

17. 17
    ApiHome▲73

    Home of API testing

    2022 · its alternatives →

18. 18
    Responsivize▲109

    A must-have tool to develop responsive websites

    2021 · its alternatives →

19. 19
    ReqRes▲87

    A hosted REST-API ready to respond to your AJAX requests.

    2015 · its alternatives →

20. 20
    Api Requests▲2

    Api Requests is a HTTP(S) client

    2021 · its alternatives →

21. 21
    HTTP Request▲2

    Save time developing REST requests with this developer tool.

    2025 · httprequest.app · its alternatives →

22. 22
    HttpMaster▲82

    Simple and practical tool for testing web apps & services

    2018 · its alternatives →

23. 23
    Postman▲182

    Postman is a powerful HTTP client to test REST API

    2014 · its alternatives →

24. 24
    Temp API▲88

    Test your frontend apps with temporary rest APIs

    2021 · 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 →