# PUT /api/taxes/{id} > Taxes - Update a Tax - **Endpoint:** `PUT /api/taxes/{id}` - **Group:** Taxes - **Since:** v1.0.0 - **Defined in:** `RestApi/Controllers/TaxesController.php` ## Headers | Field | Type | Description | | --- | --- | --- | | `authtoken` | String | Authentication token, generated from admin area | ## Parameters | Field | Type | Required | Description | | --- | --- | --- | --- | | `id` | Number | yes | Tax unique ID | | `title` | String | no | Optional Title | | `percentage` | Number | no | Optional Percentage | ## Request example ```bash curl -X PUT "https://yoursite.com/index.php/api/taxes/123" \ -H "authtoken: YOUR_API_TOKEN" \ -H "Content-Type: application/json" \ -d '{ "field": "value" }' ``` --- Part of the [REST API for RISE CRM](https://risecrm.themesic.com/apiguide/) documentation. Full page: https://risecrm.themesic.com/apiguide/taxes/update-tax/