Changelog
| Date | Version | Notes |
|---|---|---|
| 2026-06-03 | v1.0 | CatalogItem now exposes supplier-side Steam identifiers: asset_id, steam_id, class_id, instance_id. All string | null and additive — existing fields are unchanged. See the schema note on volatility and coverage. |
| 2026-05-15 | v1.0 | Added POST /buy-by-name — purchase by market_hash_name with automatic retry on the next cheapest item when the provider rejects. Up to 5 attempts within a 30-second budget. |
| 2026-05-15 | v1.0 | Added POST /buy-sync — purchase that blocks until the provider acknowledges (or rejects) the order. |
| TBD | v1.0 | Initial public launch. |
v1 is the first published version of the Merchant API. Future breaking changes will be versioned at the URL prefix (
/api/v2/merchant/…).