{"title":"Get biorhythm forecast","fields":[{"key":"birthDate","name":"birthDate","kind":"date","required":true,"description":"Birth date of the person in YYYY-MM-DD format.","example":"1990-07-15"},{"key":"startDate","name":"startDate","kind":"date","required":false,"description":"Start date of the forecast range in YYYY-MM-DD format. Defaults to today (UTC).","example":"2026-04-01"},{"key":"endDate","name":"endDate","kind":"date","required":false,"description":"End date of the forecast range in YYYY-MM-DD format. Defaults to startDate + 30 days. Maximum range: 90 days.","example":"2026-04-30"}],"hasLang":true}