curl --request PUT \
  --url https://api.headlesscommerce.io/v1/admin/regions/{id}/prices \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "variant_id": "<string>",
  "price": 1,
  "compare_at_price": 1
}
'

{
  "id": "<string>",
  "region_id": "<string>",
  "variant_id": "<string>",
  "price": 123,
  "compare_at_price": 123,
  "created_at": "2023-11-07T05:31:56Z"
}