{"id":"d87ef181-956a-4234-b2bd-c8757e3feab8","type":"API","name":"Housing inventory and secondary homes rate","slug":"housing-inventory-and-secondary-homes-rate","description":"The apartment inventory map service shows the status in blue primer of the municipalities that are subject to the building regulations of the Second Housing Act (ZWG, SR 702) and are only allowed to set up second homes under strict conditions (ZWG Art. 7ff.). 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Municipalities affected are highlighted, and the underlying housing inventory data indicates the secondary-home rate per municipality. It is published by the Swiss Federal Office for Spatial Development (ARE), part of the Swiss Confederation, and covers the national territory. The service supports planning authorities, municipalities, and property developers in determining whether building permit restrictions under the ZWG apply to a given location.","native_lang":"de","access_level":"direct","formats":[],"capability_tier":"sample","trust_score":61.75,"access":{"level":"direct","primary":{"kind":"query","label":"Run verified request","method":"GET","url":"https://api3.geo.admin.ch/rest/services/api/MapServer/ch.are.wohnungsinventar-zweitwohnungsanteil","source":"probe","runnable":true},"actions":[{"kind":"query","label":"Run verified request","method":"GET","url":"https://api3.geo.admin.ch/rest/services/api/MapServer/ch.are.wohnungsinventar-zweitwohnungsanteil","source":"probe","runnable":true},{"kind":"query","label":"Layer metadata","method":"GET","url":"https://api3.geo.admin.ch/rest/services/api/MapServer/ch.are.wohnungsinventar-zweitwohnungsanteil?f=json","source":"query_example","runnable":true,"direct":false},{"kind":"landing","label":"Read the docs","method":"GET","url":"http://data.europa.eu/88u/dataset/ed80ebde-99a0-4523-bc8a-4ec23426d966-bundesamt-fur-raumentwicklung-are","source":"docs","runnable":false}],"formats":[]},"maturity":{"entry_id":"d87ef181-956a-4234-b2bd-c8757e3feab8","granularity":"entry","granularity_label":"One unit = one catalog entry. 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Its own proof score is below 80 or it matched no registered institution (apps/worker/src/connectors/catalog/qualify-store.ts).","proof_confidence":40,"proven_threshold":80,"institution_id":"e6610aa1-093d-4dd5-9dea-b71951ae3eb2","definition":"CASE WHEN COALESCE(entries.is_public_sector, false) IS NOT TRUE THEN 'not_official' WHEN COALESCE(entries.official_confidence, 0) >= 80 AND entries.institution_id IS NOT NULL THEN 'per_item_proven' ELSE 'catalog_inherited' END"},"source_family":{"key":"api3.geo.admin.ch","label":"One unit = one source family, approximated by the serving host of the entry's primary source URL (e.g. bdl.stat.gov.pl). A COMPUTED stand-in for the curated families of SCOPE.md §5, which no table holds yet. A family sits at the highest level any of its entries has reached, because a family is integrated to the depth of its deepest working integration. 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