curl --request GET \
  --url https://api.bold-factory.com/v1/items/products/{productReference}/planning \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "externalReference": "<string>",
  "code": "<string>",
  "name": "<string>",
  "stock": 123,
  "incomingStock": 123,
  "outgoingStock": 123,
  "currentAvailableStock": 123,
  "projectedAvailableStock": 123
}