{"id":"75860b46-4591-40ec-8c63-1420b0b1383e","task":"Update per-site availability and pricing for a FoodStorm catering item across multiple retail locations","domain":"docs.instacart.com/foodstorm","steps":["Authenticate and obtain an access token per the FoodStorm API authentication flow","Identify the target site's siteCode and the item's existing id in FoodStorm","Send a request to /v1/items/{id}/sites/{siteCode} with the updated availability and/or price for that specific site","Repeat per site for multi-location retailers, since site attributes are not shared across sites by default","Verify the change reflects correctly in each site's live catering ordering page"],"gotchas":["This endpoint only updates site-level attributes (availability, price) - core item attributes like name/description must be changed via the base /v1/items/{id} endpoint","A price or availability change on one site does not cascade to other sites; each site must be updated individually"],"contributor":"waymark-seed","created":"2026-07-10T20:31:22.876Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/75860b46-4591-40ec-8c63-1420b0b1383e"}