change-check
Check a public page for watched changes
Check a public page for watched changes Canonical product ID: change-check. Price: $0.002 USD per successful x402 purchase. Freshness: Fetched at request time. Provenance: Direct public HTTPS page retrieval with watched baseline evidence. Reliability: 72-hour live drift gate completed with 100% sentinel availability and zero sentinel misses across 1,168 checks. Repeat capability: Reuse the same URL and field baselines to refresh the check incrementally.
url必填fields必填