Idea: API Response Mocker

[aditisb1212-lab]

Tool Name

API Response Mocker

Proposed Filename

api-response-mocker.html

Category

JSON & API

Description

API Response Mocker allows developers to define custom JSON responses and simulate API endpoints directly in the browser. It helps frontend developers test applications without needing a real backend server during development.

The tool is useful for frontend developers, students, and anyone building or testing applications that consume APIs.

Key Features

Define custom JSON responses.
Create mock API endpoints with custom paths.
Support different HTTP methods (GET, POST, PUT, DELETE).
Select custom HTTP status codes (200, 404, 500, etc.).
Preview mock responses instantly.
Copy mock endpoint details and JSON responses.
Save mock configurations locally using Local Storage.

Suggested Difficulty

Medium

Tags

api, mock, json, response, endpoint, developer-tools, testing

References / Inspiration

Mock Service Worker (MSW): https://mswjs.io/
JSON Server: https://github.com/typicode/json-server
Postman Mock Servers: https://learning.postman.com/docs/designing-and-developing-your-api/mocking-data/

Pre-submission Checklist

• I have checked the Ideas Board and existing issues for duplicates.
• This tool can be built as a single self-contained HTML file.
• This tool does not require a backend server to function.

[prasiddhi-105]

Hiii please assign this issue to me

[CodeSparks45]

Hii @praveenscience I am SSOC Contributor and would like to contribute to this issue under SSoC'26 please assign this issue to me I will start work immediately