Knowledge base›Fields›Shopping providers (p1/p2/p3)
field/shopping-provider-setThe provider system behind the product data: every offer carries a provider, and product IDs are stored per provider in all_ids (p2 = 19-digit Google Shopping IDs). Measured across five measuring days: all 182 offers from p2; p1 and p3 appear only in the lookup structure's metadata. The state page tracks the set as a 7-day union — a new entry there is the earliest visible hint of a second sourcing channel.
So far only p2 delivers — the Google Shopping feed. For merchants this means: the way into the ChatGPT carousel runs through the Google Merchant Center listing, not through your own product page.
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