Request Body
| Field | Type | Required | Description |
|---|---|---|---|
| name | string | Yes | Display name (e.g., “California Sales Tax”) |
| rate | number | Yes | Tax rate as decimal (e.g., 0.0725 for 7.25%) |
| jurisdiction | string | Yes | Geographic area (e.g., “CA”, “NY”, “US”) |
| status | string | No | Status (default: active) |