StubThis - Open Source API Mocking Tool

Everything you need to mock APIs

StubThis provides all the tools you need to create, manage, and test API mocks with ease.

Collection Management

Organize your APIs into logical groups and collections. Keep your mock endpoints organized and easily accessible for your development workflow.

Group related endpoints together
Easy navigation and search
Share collections with your team

Response Builder

Create dynamic and realistic API responses with our intuitive response builder. Define response structures, status codes, and headers with ease.

Dynamic response generation
Custom status codes and headers
JSON schema validation

Template Builder

Create reusable request templates and build complex URI structures with our intuitive endpoint builder. Save time with templates for common API patterns.

Visual URI builder
Reusable request templates
Dynamic parameter support

Perfect for developers and teams

Whether you're working solo or with a team, StubThis helps you build better APIs faster.

Frontend Development

Mock APIs during frontend development to keep building even when the backend isn't ready. Test your UI components with realistic data.

Parallel development
Realistic test data

API Testing

Test API endpoints before implementation. Validate your API design and ensure your endpoints work as expected.

Pre-implementation testing
Design validation

API Documentation

Document and share API specifications with your team. Create living documentation that stays in sync with your actual API.

Living documentation
Team collaboration

Rapid Prototyping

Prototype API workflows quickly. Test different scenarios and iterate on your API design before committing to implementation.

Quick iteration
Scenario testing

Team Collaboration

Collaborate on API design and frontend testing. Share collections and work together to build better APIs.

Shared collections
Multi-user workspace

Integration Testing

Test integrations between different services. Mock external APIs and ensure your application works correctly with third-party services.

External API mocking
Service integration

Works with your favorite frameworks

StubThis integrates seamlessly with Laravel, Symfony, and CodeIgniter. No matter which PHP framework you prefer, we've got you covered.

Laravel

Perfect integration with Laravel's elegant syntax and powerful features. Mock your APIs with the same ease you build your applications.

Fully Supported

Symfony

Leverage Symfony's robust architecture and component system. Create comprehensive API mocks that work seamlessly with your Symfony applications.

Fully Supported

CodeIgniter

Lightweight and fast, just like CodeIgniter. Create efficient API mocks that keep up with your rapid development workflow.

Fully Supported

Dev-only package

StubThis is designed as a development dependency, ensuring it never affects your production environment. Perfect for testing and development workflows.

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