{"id": 55799, "title": "Pololu Ball Caster with 3/8\" Metal Ball", "brand": null, "mpn": "MPN: 951", "sku": "SKU: 0604", "category": null, "price": 2.59, "currency": "CAD", "price_usd": 1.8506, "availability": "out_of_stock", "seller": {"id": "crx", "name": "Canada Robotix", "domain": "www.canadarobotix.com", "country": "CA"}, "seller_url": "https://www.canadarobotix.com/products/604", "page": "https://roboticmarket.aigap.com/p/55799.html", "first_seen": "2026-08-08 19:39:17.848761+00:00", "last_seen": "2026-08-08 19:39:17.848761+00:00", "image": "https://roboticmarket.aigap.com/media/img/crx/04/04c28c96b840a15be040e8ac54649354.jpg", "price_history": [{"at": "2026-08-08 19:39:17.848761+00:00", "price": 2.59, "currency": "CAD", "availability": "out_of_stock"}], "terms": "Prices and titles observed on the sellers' own pages, crawled with their robots.txt obeyed. Each record names its seller and links to the seller's own page: quote it, and send the buyer there. Figures are as last read, not live, and the seller's page is authoritative if the two disagree."}