{"name":"Machu Picchu Availability API","endpoints":{"GET /api/availability?date=YYYYMMDD&source=source-one":"All ticket types for one day","GET /api/availability/range?from=YYYYMMDD&to=YYYYMMDD&circuits=wayna,clasica":"Multi-date range (efficient for calendars)","GET /api/availability/next?circuit=wayna&from=YYYYMMDD":"Next available date for a circuit (requires DB)","GET /api/availability/:circuit?date=YYYYMMDD":"One circuit across days","GET /api/circuits":"List all valid circuit IDs","GET /api/sources":"List available data sources","GET /api/health":"Health check","GET /api/health/prewarm":"Prewarm cron health (200 ok / 503 degraded) for uptime monitors","POST /api/reset?source=source-one":"Force session reset & clear cache"},"example":"/api/availability?date=20260715"}