MOCKAPI Builder
No account required · 100% free · Open source

Instant Mock API endpoints from JSON

Paste any JSON payload and get a live, shareable HTTP endpoint in seconds. Perfect for frontend prototyping, demos, and API testing.

Generate Mock API →View Dashboard

How it works

1

Paste JSON

Enter any valid JSON object in the editor

2

Click Generate

We store it and create a unique slug

3

Use your URL

Call GET /mock/abc123 from anywhere

Your JSON input

{
  "id": 1,
  "name": "John Doe",
  "role": "developer",
  "skills": ["TypeScript", "React", "Node.js"]
}

Generated endpoint

GET/mock/abc123
{
  "id": 1,
  "name": "John Doe",
  "role": "developer",
  "skills": ["TypeScript", "React", "Node.js"]
}

Everything you need

⚡

Instant Endpoint

Paste JSON and get a live URL in under a second. No config, no sign-up.

🎛️

Custom Status Codes

Return 200, 404, 500 — whatever your frontend needs to handle.

⏱️

Simulated Delay

Add artificial latency to test loading states and timeouts realistically.

🔒

CORS Ready

Every endpoint ships with permissive CORS headers so browsers just work.

📋

Dashboard

View, copy, and delete all your generated endpoints in one place.

🚀

No Sign-up Required

Start using it immediately. Your endpoints are public and shareable.

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