# Changelog of Verified Product Search API – Price & Stock (`machinetollforgeai/commerce-graph-lite`) Actor

- **URL**: https://apify.com/machinetollforgeai/commerce-graph-lite/changelog.md
- **Full Actor documentation**: https://apify.com/machinetollforgeai/commerce-graph-lite.md

## 2.0

- Added `verify_offer`, `revalidate_offer`, and offer-integrity `preflight_purchase`
- Added signed stateless state tokens for high-volume revalidation, with KVS development fallback
- Added cheap HTTP-first revalidation with explicit `DEEP_CHECK_REQUIRED`
- Added merchant route memory
- Added Unicode-aware product identity scoring and hard-spec checks
- Added cross-surface evidence and conflict detection
- Added freshness windows, evidence digests, and state-change diffs
- Generalized market input to ISO country/currency + BCP-47 locale
- Preserved restricted-product safety gate, SSRF protection, and robots handling
- Discovery retained as fallback instead of primary product thesis