Free Mock APIs for Developers
Stop wasting time writing dummy data. Use our fast, reliable, and completely free JSON endpoints to build and test your frontend applications instantly. All APIs return highly realistic original data.
28APIs • Search • Pagination • Filtering • Code examples in 6 languages
Who Should Use These APIs?
Students
Build portfolio projects that use real-looking data instead of hard-coded arrays.
Freelancers
Prototype client dashboards quickly without setting up a backend.
Job Seekers
Create impressive demo apps for interviews using realistic API responses.
Instructors
Teach API integration to students with stable, predictable endpoints.
Available Endpoints
Click on any API to view full documentation, project ideas, code snippets in JavaScript, React, Next.js, Python, Node.js, and PHP.
Interview Questions API
Software engineering interview questions.
Freelance Projects API
Mock gig economy jobs.
Developer Roadmaps API
Mock career path roadmaps.
Coding Challenges API
Mock algorithmic challenges.
School Management API
Mock student records.
System Design API
System design interview cases.
Task Management API
Mock kanban boards and tickets.
Build These Projects With Our APIs
Job Board
Use the Jobs API to build a full-featured job portal with search and filtering.
React + Next.jsE-commerce Store
Build a shopping cart with product listings, categories, and checkout flow.
JavaScript + ReactLearning Platform
Create a course catalog with categories, ratings, and progress tracking.
Next.js + PythonRelated Learning Resources
What Are Mock APIs and Why Do Developers Need Them?
Mock APIs are pre-built JSON endpoints that return realistic sample data. They are essential tools for frontend developers who need to build, test, and demo applications without waiting for a backend team to finish their work.
Whether you are a student building your first React app, a freelancer prototyping a client dashboard, or a team lead running a hackathon, mock APIs save hours of setup time. Instead of creating dummy JSON files or building entire backend services, you can point your fetch calls at our endpoints and start coding immediately.
How to Use These APIs
Every API supports standard REST conventions. You can use query parameters for searching (?search=react), pagination (?page=2&limit=10), and sorting (?sort=salary&order=desc). Each documentation page includes ready-to-use code examples in JavaScript, React, Next.js, Python, Node.js, and PHP.