{"country":"fi","currency":"EUR","name":"Finland","taxYear":2025,"taxYearPeriod":"January - December 2025","description":"Finnish self-employed tax calculator with YEL pension and progressive state+municipal tax","parameters":{"income":{"type":"number","required":true,"description":"Annual income in EUR"},"incomePeriod":{"type":"string","default":"yearly","options":["monthly","yearly"]},"expenses":{"type":"number","default":0,"description":"Annual business expenses in EUR"},"municipalRate":{"type":"number","default":0.0928,"description":"Municipal tax rate (national average 9.28%)"},"vatRegistered":{"type":"boolean","default":false,"description":"VAT registered (25.5%)"},"weeklyHours":{"type":"number","default":40,"description":"Weekly working hours"},"paidDaysOff":{"type":"number","default":25,"description":"Annual leave days"}},"example":"/v1/calculate/fi?income=60000"}