{"current_listings":[{"buy_url":"https://birkinbagstock.com/go/avenue-tokyo-11103921864897","currency":"USD","detail_url":"https://birkinbagstock.com/listing/avenue-tokyo-11103921864897","id":"avenue-tokyo-11103921864897","merchant":"AVENUE TOKYO","price":11966,"title":"Hermes Birkin 40 Verso Bleu Saphir Bleu France Fjord Gold Hardware"}],"data_url":"https://birkinbagstock.com/data/price-history/birkin-40-bleu-saphir.json","filters":{"color":"Bleu Saphir","size":40,"sort":"newest"},"generated_at":"2026-10-13T11:31:15.946298+00:00","history":{"change":28,"change_label":"$28","change_pct":0.23,"current_listings":1,"data_url":"/data/price-history/birkin-40-bleu-saphir.json","direction":"up","events":[],"first_date":"2026-10-11","first_median_price":11938,"first_median_price_label":"$11,938","history":[{"date":"2026-10-11","day":"20261011","max_price":11938,"max_price_label":"$11,938","median_price":11938,"median_price_label":"$11,938","min_price":11938,"min_price_label":"$11,938","sample":1},{"date":"2026-10-12","day":"20261012","max_price":11941,"max_price_label":"$11,941","median_price":11941,"median_price_label":"$11,941","min_price":11941,"min_price_label":"$11,941","sample":1},{"date":"2026-10-13","day":"20261013","max_price":11966,"max_price_label":"$11,966","median_price":11966,"median_price_label":"$11,966","min_price":11966,"min_price_label":"$11,966","sample":1}],"history_url":"/price-history/birkin-40-bleu-saphir","label":"Birkin 40 Bleu Saphir","last_date":"2026-10-13","last_median_price":11966,"last_median_price_label":"$11,966","methodology":"Spec history uses daily captured prices for the current visible cohort of live listings. The median series is descriptive asking-price intelligence, not an appraisal or completed-sale index.","observations":3,"sample_listings":1,"slug":"birkin-40-bleu-saphir","status":"ok","summary":"Birkin 40 Bleu Saphir median ask is up $28 (0.23%) since 2026-10-11."},"license":"Public citation dataset. Attribute BirkinBagStock.com and verify merchant prices before purchase.","slug":"birkin-40-bleu-saphir","source":"BirkinBagStock.com","title":"Birkin 40 Bleu Saphir \u2014 Live Inventory Across Verified Resellers","url":"https://birkinbagstock.com/price-history/birkin-40-bleu-saphir"}