{"country":"at","currency":"EUR","name":"Austria","taxYear":2025,"taxYearPeriod":"January - December 2025","description":"Austria self-employed (Einzelunternehmer) tax calculator: progressive income tax up to 55%, SVS social insurance (26.83% + accident), Gewinnfreibetrag deduction up to 4,950 EUR","parameters":{"income":{"type":"number","required":true,"description":"Annual gross revenue EUR"},"incomePeriod":{"type":"string","default":"yearly","options":["monthly","yearly"]},"expenses":{"type":"number","default":0,"description":"Annual business expenses EUR"},"vatRegistered":{"type":"boolean","default":false,"description":"VAT registered (20%)"},"weeklyHours":{"type":"number","default":40,"description":"Weekly working hours"},"paidDaysOff":{"type":"number","default":25,"description":"Annual leave days"}},"example":"/v1/calculate/at?income=80000&expenses=10000"}