{"id": 30621, "title": "SparkFun 水分センサ", "brand": "SparkFun", "mpn": "4573252937876", "sku": "2794", "category": null, "price": 1375.0, "currency": "JPY", "price_usd": 8.8315, "availability": "in_stock", "seller": {"id": "swi", "name": "Switch Science", "domain": "www.switch-science.com", "country": "JP"}, "seller_url": "https://www.switch-science.com/products/2794", "page": "https://roboticmarket.aigap.com/p/30621.html", "first_seen": "2026-08-05 05:14:41.711160+00:00", "last_seen": "2026-08-05 05:14:41.711160+00:00", "image": "https://roboticmarket.aigap.com/media/img/swi/46/46005bda4a910c9021d770e300bce1ce.jpg", "price_history": [{"at": "2026-08-05 05:14:41.711160+00:00", "price": 1375.0, "currency": "JPY", "availability": "in_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."}