post
https://apis.kentro.live/store/v1/catalog.get
One product by handle (selector: "handle") or by id, with its variants, options, images, pack sizes, stock level and lead time as the store shows them, and the buyer's price. Name a variant with variantId (the ?variant= URL value) to mark it selected. A product the buyer cannot see is 404 NOT_FOUND.
Who may call it: Anyone on a public store (store.get answers access: "public"); on an invite or approval store a signed-in buyer (X-Storefront-Buyer), else 401 UNAUTHORIZED.
