Mock API Generator – Free Online Tool for Testing

Create and test custom REST API endpoints instantly. Use our free mock API online tool for API testing, examples, and quick dummy responses.

Start Your First Mock API Project

Free Mock API

Instantly generate mock APIs online for testing. No backend required, just create and start calling endpoints.

REST API Examples

Use ready-made API endpoint examples and REST API call examples to understand and test easily.

API Key Authentication

Secure your mock APIs with unique API keys, and manage access like a real production-ready API.

Mock API Example

Here’s an example of how you can use the mock API for testing free:

GET https://tools.codestrail.com/project/68bf1f32eb74f/users

Response:
[
  {
    "id": 1,
    "name": "John Doe",
    "email": "john@example.com"
  }
]

Start Testing with Free Mock APIs

Generate mock REST API endpoints in seconds and simplify your development workflow.

Create Your Mock API