{"country":"id","currency":"IDR","name":"Indonesia","taxYear":2025,"taxYearPeriod":"January - December 2025","description":"Indonesian self-employed tax calculator: UMKM simplified (0.5% final) or progressive income tax","parameters":{"income":{"type":"number","required":true,"description":"Annual gross income in IDR"},"incomePeriod":{"type":"string","default":"yearly","options":["monthly","yearly"]},"taxModel":{"type":"string","default":"umkm","options":["umkm","progressive"],"description":"Tax regime"},"vatRegistered":{"type":"boolean","default":false,"description":"PPN registered (12%)"},"weeklyHours":{"type":"number","default":40,"description":"Weekly working hours"},"paidDaysOff":{"type":"number","default":12,"description":"Annual leave days"}},"example":"/v1/calculate/id?income=1000000000&taxModel=umkm"}