{"country":"th","currency":"THB","name":"Thailand","taxYear":2025,"taxYearPeriod":"January - December 2025","description":"Thai self-employed tax calculator: 8-bracket progressive income tax with expense deduction and personal allowance","parameters":{"income":{"type":"number","required":true,"description":"Annual gross income in THB"},"incomePeriod":{"type":"string","default":"yearly","options":["monthly","yearly"]},"vatRegistered":{"type":"boolean","default":false,"description":"VAT registered (7%)"},"weeklyHours":{"type":"number","default":40,"description":"Weekly working hours"},"paidDaysOff":{"type":"number","default":6,"description":"Annual leave days"}},"example":"/v1/calculate/th?income=1200000"}