curl --request DELETE \
  --url https://api.shoppex.io/dev/v1/products/{uniqid}/variants/{variantUniqid} \
  --header 'Authorization: Bearer <token>'

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "doc_url": "<string>",
    "details": [
      {
        "field": "<string>",
        "message": "<string>"
      }
    ]
  }
}