{"country":"za","currency":"ZAR","name":"South Africa","taxYear":2025,"taxYearPeriod":"March 2025 - February 2026","description":"South African Tax: Progressive income tax with rebates, UIF","parameters":{"income":{"type":"number","required":true,"description":"Gross income ZAR"},"incomePeriod":{"type":"string","default":"yearly","options":["monthly","yearly"]},"age":{"type":"number","default":30,"description":"Age (affects tax rebates: primary, 65+, 75+)"},"vatRegistered":{"type":"boolean","default":false,"description":"VAT registered (15.5%)"},"weeklyHours":{"type":"number","default":40,"description":"Weekly working hours"},"paidDaysOff":{"type":"number","default":21,"description":"Annual leave days"}},"example":"/v1/calculate/za?income=500000"}