API Mocker

Generate realistic mock APIs with fake data, delay simulation, and error scenarios for frontend development.

Category: Web & Frontend Dev | Security status: verified | Rating: 4.5/5 | Version: 1.9.0

What API Mocker does

API Mocker creates realistic mock API endpoints for frontend development. Define your API schema and it generates endpoints with realistic fake data, configurable delays, pagination, error scenarios, and authentication simulation. Works with MSW (Mock Service Worker) for seamless integration.

Use cases

Develop frontend features before the backend is ready
Test error handling with configurable failure scenarios
Generate realistic test data for demos and prototypes
Simulate slow networks and edge cases

Install API Mocker

npx clawhub@latest install api-mocker

Frequently asked questions

Does it work with TypeScript?

Yes — it generates type-safe mock handlers from your API types or OpenAPI specs.

Can it simulate authentication?

Yes — it supports JWT, OAuth, and API key authentication simulation.