curl --request GET \
  --url https://api.zenskar.com/products/{product_id}/pricing/{pricing_id} \
  --header 'organisation: <api-key>' \
  --header 'x-api-key: <api-key>'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}