Now accepting founding members

PageWatch API

Monitor any website for changes with a single API call. Track content, prices, or availability — and get the diff the moment something updates.

Track competitor pricingMonitor job listingsWatch content updatesDetect availability changes

Any URL, any frequency

Register a URL and set your polling interval — from every minute to once a day.

Structured change diffs

Fetch exactly what changed: added text, removed elements, and modified attributes.

Webhook & pull support

Get notified via webhook on change, or poll our API at your own pace.

Full change history

Every detected change is stored and queryable — replay the timeline anytime.

How it works

1

Tell us what to watch

Pass any URL and choose how often to check — every minute to once a day.

2

We detect changes

Our engine diffs the page and extracts exactly what moved, appeared, or disappeared.

3

Get notified instantly

Receive a webhook or poll our API — with the full diff ready to use.