Is BabuJSON really free to use?

Yes, BabuJSON is completely free for standard usage with no API key required. The free tier includes 60 requests per minute with access to all 21 API endpoints including interview questions, mock data, and Indian geolocation APIs.

Do I need an API key to use BabuJSON?

No, you do not need an API key for standard usage. Simply call the endpoint and receive JSON responses. API keys are only required for higher rate limits on the Pro and Startup plans.

What programming languages are supported?

BabuJSON provides code examples for Fetch API, Axios, React, Next.js, and PHP. Since it is a standard REST API returning JSON, you can use any programming language that supports HTTP requests.

Can I use BabuJSON for interview preparation?

Yes! BabuJSON offers 7 interview question APIs covering React, JavaScript, PHP, HTML, CSS, Node.js, and Next.js with 80+ questions each, including code snippets and difficulty ratings.

FREE · No Auth Required · 21 Endpoints

Free Mock REST APIs for Preparing for Dev Interviews and Prototyping Projects

Get access to 21 free APIs: developer interview questions in React, JavaScript, PHP & Node.js with sample code, geolocation information for India (states, cities, and districts), aptitude tests, and dynamic data. No API key needed.

Start Fetching Today Try the Playground

21 Free EndpointsInterview Q&AsIndian Geo Data

Free JSON APIs

REST API Endpoints

Public developer APIs for interview prep, mock data, and Indian geodata. No API key required — test endpoints instantly.

Public APIs

500+

Interview Questions

API Categories

No Authentication Required

GETInterview

React Interview Questions API

GET/interview/react

JSON2 params

GETIndia Geo

Indian States & Union Territories API

GET/india/states

JSON1 param

GETInterview

JavaScript Interview Questions API

GET/interview/javascript

JSON2 params

GETIndia Geo

Indian Cities by State API

GET/india/cities

JSON1 param

GETPrep

Aptitude Questions API

GET/aptitude

JSON2 params

GETIndia Geo

Indian Holidays Calendar API

GET/india/holidays

JSON1 param

Browse All APIs

Free Mock APIs Built for Developers Who Need Real Data, Fast

Whether you're preparing for software engineering interviews, building a side project, or prototyping a startup — BabuJSON gives you free mock REST API data without the setup hassle.

Students & Job Seekers

Practice with 100+ interview questions across React, JavaScript, PHP, Node.js, and Next.js. Each answer includes code snippets and difficulty ratings.

Interview Q&As with code examples
Aptitude & MCQ question banks
Developer roadmap & coding challenges

Builders & Prototypers

Skip building your own mock backend. Get geolocation data, interview questions, and quiz data in seconds — ready for your UI to consume.

Interview Q&A mock APIs
Indian geodata endpoints
Resume analysis & scoring API

India-Focused Apps

Build forms, dashboards, and e-commerce for India. Get states, cities, districts, pincodes, and holiday calendars — all structured and ready to use.

36 states & union territories
Cities, districts & pincode lookup
Gazetted holiday calendar API

Getting Started

Three Steps to Your First Free API Call

Browse the Docs

Find the endpoint you need from 21 available APIs. Each doc page shows the URL, response format, and usage limits.

Copy & Paste

Grab the code snippet in your preferred language: Fetch, Axios, React, Next.js, or PHP. Paste it into your project.

Ship It

The API returns JSON instantly. No API key, no auth, no rate limit headaches for standard usage. Build and ship.

View All Endpoints

21 Free REST API Endpoints Across 6 Categories

Everything you need in one platform. Interview Q&As, mock data, aptitude tests, coding challenges, Indian geodata, and resume analysis — no switching between services.

Interview Q&A

7 APIs

React, JS, PHP, HTML, CSS, Node, Next.js

Aptitude & MCQ

3 APIs

Quantitative, logical, verbal tests

Coding Challenges

1 API

Starter code + test cases

India Geodata

5 APIs

States, cities, districts, pincodes, holidays

Mock Data

3 APIs

Interview Q&As, quiz data, and more

Resume & Roadmap

2 APIs

Resume scoring & learning tracks

Simple Pricing

Simple, Transparent API Pricing

Start free with no credit card required. Upgrade to Pro or Startup for higher rate limits, premium features, and dedicated support.

Free

Perfect for learning & side projects

$0forever

60 requests / min
All interview APIs
Mock data endpoints
India geodata APIs
Community support

Get Started Free

Pro

Popular

For growing projects & production apps

$9/month

500 requests / min
Full Indian geo dataset
Priority support
Ad-free experience
Early access to new APIs

Upgrade to Pro

Startup

Teams

For bootcamps & team usage

$29/month

2,000 requests / min
50 custom mock endpoints
Dedicated Slack support
Custom data schemas

Get Started

See full pricing comparison →