POST /api/avatar| Parameter | Required | Default | Description |
|---|---|---|---|
| bg-color | No | Random color | Background color (e.g., "blue-500") |
| fg-color | No | white | Text color (e.g., "white") |
| img-size | Yes | - | Image size (1-1000px) |
| font-size | No | md | Text size (sm|md|lg|xl) |
| chars | No | "" | Characters to display |
| rounded | No | false | Round the corners |