PRIVACY-FIRST MOCKING

API Mocking,
Minus the
Surveillance.

LightWeight API Mocking. Zero-friction. No accounts. No cloud syncing.
Just local, high-performance interception directly in your browser.

View Documentation
EXTENSION V1.0.0
Interceptor Active
SITE: LOCALHOST:3000
LIVE TRAFFIC
GET
/api/v1/user/profile
200 OK
POST
/api/auth/login
SAVED
Response Mock Body JSON
{
  "status": "success",
  "user": {
    "id": 8301,
    "role": "admin"
  }
}

No Login Required. No Strings Attached.

We believe developer tools should stay out of your way. Start LightWeight mocking
immediately without creating an account or handing over your email.

GDPR Compliant
💾

Local Storage

Your mock configurations stay in your browser. We don't have a backend, so we can't see your data even if we wanted to.

Zero Friction

No "Sign up to continue" popups. Install the extension and start mocking your first endpoint in under 10 seconds.

🛠️

Dev Centric

Full support for REST. Regular expression matching and delay simulation out of the box.

How we stack up

The clear choice for security-conscious developers.

FEATURE
INTERCEPTLY
COMPETITORS
Account Setup
None Required
Email/OAuth Required
Data Storage
Local-Only Browser
Proprietary Cloud Sync
Onboarding Time
Instant (< 1 min)
5-10 Minutes
Privacy Surveillance

Stop building backends
before you're ready.

Join our growing community of developers mocking APIs locally with Interceptly.