curl --request GET \
  --url https://app.solya.app/api/products/{id}/variants \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "colors": [
        "Black"
      ],
      "gender": "MALE",
      "id": "variant-uuid-a",
      "productId": "product-uuid-1",
      "shape": "LOW",
      "sold": 37,
      "stock": 8,
      "variant": "42 / Black"
    },
    {
      "colors": [
        "Black"
      ],
      "gender": "MALE",
      "id": "variant-uuid-b",
      "productId": "product-uuid-1",
      "shape": "LOW",
      "sold": 52,
      "stock": 3,
      "variant": "43 / Black"
    }
  ],
  "page": 1,
  "pageSize": 20,
  "total": 6
}