{"licence":"Vrij te gebruiken met bronvermelding: Huursein, huursein.nl","licence_url":"https://huursein.nl/huursein/markt/monitor/data","source":"Huursein Huurmarkt Monitor","documentation":"https://huursein.nl/huursein/markt/monitor/data","city":"Alkmaar","slug":"alkmaar","weeks_count":1,"weeks":[{"week":"2026-37","week_start":"2026-09-07","week_end":"2026-09-13","coverage_note":null,"city":"Alkmaar","slug":"alkmaar","listings":45,"listings_previous_week":22,"change_pct":105,"median_rent_eur":1013,"median_rent_previous_week_eur":1638,"price_sample":45,"median_hours_online":261,"share_gone_within_48h_pct":9,"share_above_1500_eur_pct":16,"cheapest_postcode4":{"postcode4":"1811","median_rent_eur":993,"listings":10},"sources_count":4}]}