Gen-Endpoint

Free Public API Endpoints for Testing — Plus AI-Powered Code Generation

Whether you're a frontend developer who needs a working backend to test against, or an engineer who wants to skip API boilerplate, Gen-Endpoint has you covered. Browse 23 ready-made REST API endpoints — completely free, no account needed — or use our AI tool to generate a custom Next.js API handler from a plain English description in seconds.

Explore Sample APIsGo to AI API ToolsTest File Upload

Our Sample APIs

Greeting API
A versatile API for generating greeting messages. Supports simple GET requests and POST requests with data.
Utilities

3 endpoints available.

View Details
System Status API
Provides the current operational status, version, and timestamp of the application. Ideal for health checks and monitoring.
System

1 endpoint available.

View Details
Echo API
Echoes back the data sent to it. Supports GET (query parameters) and POST (JSON or Text body). Useful for request inspection.
Utilities

2 endpoints available.

View Details
User Management API
A comprehensive API for managing user accounts, including CRUD operations.
Application

5 endpoints available.

View Details
Product Catalog API
API for browsing and managing a product catalog.
E-commerce

5 endpoints available.

View Details
Authentication API
Simplified API for user authentication processes like login, logout, and status check.
Security

3 endpoints available.

View Details
File Upload & Management API
Handle file uploads, downloads, metadata, and bulk operations with validation.
Utilities

8 endpoints available.

View Details
Advanced Search API
Demonstrates complex querying, filtering, sorting, and pagination with full-text search capabilities.
Data

3 endpoints available.

View Details
Notification System API
Send emails, SMS, and push notifications with template support and delivery tracking.
Communication

5 endpoints available.

View Details
Analytics & Metrics API
Track events, generate reports, and provide dashboard data with real-time metrics.
Analytics

3 endpoints available.

View Details
Data Export API
Export data in various formats (CSV, JSON, XML) with filtering and field selection.
Data

4 endpoints available.

View Details
Shopping Cart API
Manage shopping cart operations with session handling, item management, and checkout preparation.
E-commerce

7 endpoints available.

View Details
Payment Processing API
Handle payment flows, refunds, and transaction history with multiple payment methods.
E-commerce

3 endpoints available.

View Details
Inventory Management API
Track stock levels, handle reservations, manage warehouses, and process stock adjustments.
E-commerce

3 endpoints available.

View Details
Blog & CMS API
Manage blog posts, categories, tags, content publishing, and SEO metadata.
Content

4 endpoints available.

View Details
Comments & Reviews API
Handle user comments, reviews, ratings, moderation, and threaded discussions.
Social

3 endpoints available.

View Details
Webhook Management API
Register, manage, test webhook endpoints, and track delivery attempts with retry logic.
Integration

3 endpoints available.

View Details
Rate Limiting API
Demonstrate rate limiting patterns, quota management, and different tier restrictions.
Security

3 endpoints available.

View Details
Real-time Chat API
WebSocket-based chat with rooms, typing indicators, message history, and user presence.
Communication

4 endpoints available.

View Details
Background Jobs API
Queue and monitor long-running background tasks with progress tracking and retry logic.
System

4 endpoints available.

View Details
URL Shortener API
Create, manage, and get stats for shortened URLs. Includes a redirector endpoint.
Utilities

6 endpoints available.

View Details
QR Code Generator API
Generate QR codes for text, URLs, and structured data with customizable styling.
Utilities

7 endpoints available.

View Details
Device Management API
Register and manage mobile devices, push tokens, preferences, and device analytics.
Mobile

4 endpoints available.

View Details

Build Your Own Endpoints

Ready to create? You can define your own API routes directly in the src/app/api/ directory. Use the Next.js App Router conventions to build out your backend functionality.

Frequently Asked Questions

Q: Are all the API endpoints completely free?

A: Yes. Every API endpoint on Gen-Endpoint is free to use with no signup, no API key, and no rate limits for personal and development use.

Q: What can I do with the AI generation tool?

A: You can describe an API in plain English and the AI will generate a working Next.js App Router API handler, a JSON schema, and sample data — ready to paste into your project.

Q: Do I need to create an account?

A: No account is required to use any of the sample APIs or the AI generation tools.

Q: What kinds of APIs are available?

A: Gen-Endpoint provides sample APIs for authentication, user management, e-commerce, payments, file uploads, real-time chat, analytics, background jobs, and more — 23 endpoints in total.