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Create Mock APIs Instantly

Generate production-like endpoints in seconds. No backend. No setup.

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Mock Endpoint URL

Maximum 90 days. The mock will be deleted automatically after expiration.

HTTP Method

Blazing Fast

Set up and deploy your mock APIs in time

Updating

One-click updates to your mock data

Customizable

Define mock data that fits your specific use case

Loved by developers

“MockGen is my go-to tool when I need to test UIs quickly. It just works.”
– Axel, Frontend Engineer
“I use MockGen for testing before the backend is ready. It saves me so much time!”
– Markus, Student

Built for Developers & Teams

Frontend Developers

Mock APIs instantly without waiting for backend availability. Perfect for fast UI development.

QA & Test Engineers

Simulate any HTTP response and automate tests with stable, mock endpoints.

UX & Product Designers

Prototype and demo user flows with real-looking data from mock endpoints.