Search the SF Supplies product catalog (vinyl, films, signage supplies, etc.). Returns matching products with their name, page URL, stock status, product status, and attributes (Brand, Color, Size, Material, Finish, Series, …). Use the optional 'filters' to narrow by attribute — call list_product_filters first if you need to know which attributes/values are available. Two distinct availability signals: 'in stock' reflects inventoryQty — whether the item is ACTUALLY in stock in the warehouse right now (yes/no). 'status' is the catalog classification: StockItem (normally stocked), InHouse (made/held in house), NonStock (orderable, not stocked), Discontinued (no longer offered), Development (not yet released), or Null. A product can be a StockItem yet currently out of stock — when asked about availability, use 'in stock' (inventoryQty), not 'status'. To FILTER by these, pass 'in_stock' (true = only in-stock, false = only out-of-stock) and/or 'product_status'.

Fast typeahead/autocomplete lookup (the search-bar suggester). Given a partial query it returns matching product NAMES (and page URLs) — lightweight, no attributes or filters. Use it to resolve a vague or partial term to concrete product names, then call search_products with the chosen term for full details.

Discover the filterable attributes (facets) available for a given search/category, with each value and how many products have it. Use this to learn what you can pass to search_products' 'filters' argument and to suggest refinements.