Create Custom Mock API Endpoints

Build instant mock REST APIs for prototyping and testing. No signup required, free forever.

✨ No Authentication Required ⚡ Instant Setup 🔒 Secure Options Available ♾️ No Expiration

Step 1 of 5: Choose Endpoint Type

Select how you want to secure your endpoint

Type

HTTP

Response

Auth

Generate

🌐

Open Endpoint

Public access with no authentication required

Instant access
Perfect for prototyping
Anyone with URL can use
Easy sharing with team

🔒

Authenticated Endpoint

Secure access with token authentication

Bearer Token support
API Key headers
Basic Authentication
Auto-generate credentials

HTTP Method

The HTTP method your endpoint will accept

Status Code

The HTTP status code to return

Response Body (JSON)

Enter valid JSON format

Invalid JSON format

Custom Headers (Optional)

Add custom response headers (JSON format)

Response Delay (Optional)

Delay in milliseconds (0-60000ms)

Authentication Type

Bearer Token (Leave empty to auto-generate)

A secure token will be auto-generated if not provided

✨ No authentication required for open endpoints

Review Your Endpoint

Creating your endpoint...

🚀 Features

Powerful Mock API Generator

Everything you need to create and test custom API endpoints

⚡

Instant Creation

Create custom mock endpoints in seconds. No setup, no registration, no API keys required. Just configure and go.

🔒

Multiple Auth Types

Support for Bearer Token, API Key Header, and Basic Authentication. Test secure endpoints with realistic auth flows.

🎨

Custom Responses

Full control over response body, status codes, headers, and delays. Create realistic mock APIs for any scenario.

📝

All HTTP Methods

Supports GET, POST, PUT, DELETE, and PATCH. Build complete REST API workflows with proper HTTP semantics.

🌍

CORS Enabled

Full CORS support for frontend development. Works seamlessly with React, Vue, Angular, and all modern frameworks.

📊

Hit Counter

Track how many times your endpoint has been called. Perfect for monitoring usage and testing scenarios.

🚀

Cloudflare Powered

Running on Cloudflare's global edge network for ultra-fast responses from anywhere in the world.

💯

100% Free

No limits, no registration, no credit card required. Completely free forever for all developers.

💡 Use Cases

Built For Real Development

See how developers use MockerAPI to accelerate their workflow

🎭

Frontend Prototyping

Build frontend features without waiting for backend APIs. Create realistic mock responses for rapid prototyping.

🧪

API Testing

Test your API client code with different response scenarios. Verify error handling and edge cases.

🔐

Auth Flow Testing

Test authentication and authorization flows with Bearer tokens, API keys, and basic auth without backend setup.

📚

API Documentation

Create working examples for API documentation. Show real endpoints that developers can test immediately.

🎓

Learning & Training

Perfect for teaching API concepts. Students can practice with real endpoints without complex backend setup.

⚙️

CI/CD Testing

Use in automated tests and CI/CD pipelines. Create stable, predictable endpoints for integration testing.

🔄

Third-Party API Mocking

Mock external APIs during development. Test without hitting rate limits or incurring costs.

🎨

Demo Applications

Create quick demos and proof-of-concepts. Show working features without building a full backend.