Web Site-changed-since
Detect bounded changes across one static page surface using one HTML fetch plus at most one robots.txt fetch. Forest hashes HTTP identity, page metadata, normalized JSON-LD, downloadable links, form schema and robots context without storing snapshots, rendering JavaScript or submitting anything.
$0.004 / callPOST /site/changed-sincex402 · Base
Use when
- has this site surface changed since my last observation
- which page dimensions changed without running a browser
- compare page metadata downloads forms structured data and robots state
Input example
{
"url": "https://example.com/",
"user_agent": "ForestBot/1.0"
}
Canonical paid endpoint
https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/site/changed-since