{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:27:56+00:00","price":"399.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FHKNH3GZ?maas=maas_adg_api_591851791929461796_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=a924ca937c72d5c74296c62a512fd77e&aa_adgroupid=6cc15988f73a33a1e7716b07eac1803e_PBSEP_!!!affid!!!_118045_&aa_creativeid=fc9bl3NWDMVUtIR6h_ae_a0ZslLlCFEL8xibM3MDOotERXi0Y_c"}],"product":{"brand":"Lefant UK(ZYG)","evidence_url":"https://mail.mainbuyer.com/evidence/products/lefant-m3-max-robot-vacuum-cleaner-with-mop-20-000pa-tangle-free-b0fhknh3gz/prices","gtin":null,"id":8410,"model_number":null,"name":"Lefant M3 Max Robot Vacuum Cleaner with Mop, 20,000Pa,Tangle-Free","product_url":"https://mail.mainbuyer.com/product/lefant-m3-max-robot-vacuum-cleaner-with-mop-20-000pa-tangle-free-b0fhknh3gz","urn":"MB-AWIN-GB-B0FHKNH3GZ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"399.99","historical_low":"399.99","last_observed_at":"2026-09-17T12:27:56+00:00","low_30d":"399.99","low_90d":"399.99","median_price":"399.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:56+00:00"}}