v2.0 is now available

The API mocking tool
for frontend pros.

Intercept, mock, and inspect network requests directly in your browser. Build robust UIs without waiting for the backend.

mock-studio://project/dashboard
Collections
Auth Service
GET /user/profile
POST /auth/login
PUT /settings/update
Billing API
main
Response Body Headers Rules
200 OK
145ms
// Simulating user profile response
{
  "id": "usr_8x92m01",
  "email": "alex.dev@mockstudio.com",
  "role": "admin",
  "features": {
    "beta_access": true,
    "max_projects": 50,
    "notifications": [
      {
        "id": 1,
        "text": "Welcome to Mock Studio"
      }
    ]
  },
  "verified": true
}

Everything you need to
mock perfectly.

No more hardcoding mock data. Manage states, delays, and errors without leaving your browser context.

Full Network Inspection

View, intercept and modify requests on the fly. It's like the Network tab, but writeable.

Name
Method
Status
Size
graphql
POST
200
1.2kb
analytics
POST
Pending (Mock)
-

Git Sync

Commit your mocks to your repo. Share configs with your team instantly.

$ git push origin mocks

Scenario Variants

Switch between "Happy Path", "Error State", or "Loading" with one click.

Payment Failed
Payment Success

Universal Import/Export

Import HAR files, Postman collections, or OpenAPI specs. Export to JSON to share manually.

Import
Export
Workflow

Initialize in seconds.
Scale indefinitely.

Mock Studio detects your project type and sets up the environment automatically. From folder organization to environment variables, we handle the boilerplate.

  • Auto-folder structure generation
  • Dynamic route matching
  • Zero-config proxy setup
Terminal
➜ mock-studio init
Detected React project.
Scanning package.json... Done.
Created .mockstudio/ directory.
➜ mock-studio start
✔ Proxy running on port 3000
Waiting for requests...

Ready to speed up
development?

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