Build & Prototype Faster With
Zero-Config Mock APIs
Say goodbye to setting up mock servers. FreeAPI delivers production-grade Authentication, E-Commerce, Realtime Chat, Social Media, and Kitchen Sink REST & WebSocket endpoints ready out-of-the-box.
Test Drive FreeAPI Before Launch
Run simulated live queries in our sandbox below. Experience zero-latency mock responses.
Everything You Need To Build World-Class Apps
Six enterprise-grade mock systems engineered for realistic frontend and mobile prototyping.
JWT, Sessions & Social Auth
Complete user registration, email verification, password reset, refresh token rotation, and Google/GitHub OAuth mocks.
E-Commerce & Checkout
Products with categories, stock management, shopping cart logic, coupon code discount engines, and simulated payment gateways.
Live Chat & WebSockets
1-on-1 private messaging, group channels, online presence, typing status indicators, message attachments, and read receipts.
Social Feed & Community
Posts with multi-image carousels, nested threaded comments, likes, bookmarking, and bidirectional user follow relationships.
The Kitchen Sink Suite
Quotes, jokes, stocks tickers, weather data, random avatars, dummy PDFs, video stream mocks, and todo managers.
Swagger, Postman & Bruno
One-click import into Postman, Bruno, or Insomnia. Interactive Swagger OpenAPI 3.0 docs with live token testing built right in.
Launch Flight Roadmap
Track our deployment pipeline in real-time as we prepare for the global launch.
Core Engine & Schema
Designed normalized relational & document schemas for 15+ sub-apps with seed datasets.
WebSockets & Auth
Implemented JWT rotation, OAuth2 mock servers, and real-time Socket.IO clustered hubs.
Global Edge & Load Testing
Deploying multi-region edge caches to guarantee sub-20ms latency worldwide under 100k req/s.
Public Launch & Open Source
Official public deployment, GitHub repository reveal, and SDK releases for React, Vue, & Flutter.