{"id": 3540, "title": "SparkFun RTK Express", "brand": "u-blox", "mpn": "GPS-18442", "sku": "GPS-18442", "category": null, "price": 534.95, "currency": "USD", "price_usd": 534.95, "availability": "unknown", "seller": {"id": "spf", "name": "SparkFun", "domain": "www.sparkfun.com", "country": "US"}, "seller_url": "https://www.sparkfun.com/sparkfun-rtk-express.html", "page": "https://roboticmarket.aigap.com/p/3540.html", "first_seen": "2026-08-02 20:50:54.169425+00:00", "last_seen": "2026-08-02 20:50:54.169425+00:00", "image": "https://roboticmarket.aigap.com/media/img/spf/96/96934a1df5218b303a65696649f0d039.jpg", "price_history": [{"at": "2026-08-02 20:50:54.169425+00:00", "price": 534.95, "currency": "USD", "availability": "unknown"}], "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."}