The standard export maps reasonably directly onto Google Shopping’s expected feed columns: variant_id → id, title → title, price → price, available → availability, image_src → image_link, and product_url → link.

What it won’t give you is a fully compliant feed on its own - Google requires additional fields for many categories, like gtin, brand (Shopify’s vendor is a reasonable stand-in) and condition, none of which live in the public /products.json data. Treat this export as the base layer: export, rename columns, add the required extras, then upload.

For a very large catalog, exporting straight from the store’s URL (rather than downloading the raw JSON by hand first) saves the most time.

Google’s feed rules also change from time to time, so however these columns map today is a starting point to re-check against Google’s current specification before every submission - this tool exports the underlying product data faithfully, but doesn’t track Google’s own formatting requirements as they evolve.