curl --request POST \
  --url https://public-api.stora.co/2025-09/orders/{order_id}/line_items \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "unit_type",
  "quantity": 1,
  "price": {
    "amount": 1999
  },
  "item": {
    "id": "utype_3b3aed5cca33b11d"
  }
}
'

{
  "line_item": {
    "id": "olitm_216f3087ddaf1234",
    "created_at": "2025-02-22T14:41:00Z",
    "discount_total": {
      "amount": 1000,
      "currency": "GBP",
      "formatted": "£10.00"
    },
    "item": {
      "id": "utype_3b3aed5cca33b11d"
    },
    "price": {
      "amount": 1999,
      "currency": "GBP",
      "formatted": "£19.99"
    },
    "quantity": 1,
    "tax": {
      "amount": 0,
      "currency": "GBP",
      "formatted": "£0.00"
    },
    "total": {
      "amount": 1999,
      "currency": "GBP",
      "formatted": "£19.99"
    },
    "total_excluding_tax": {
      "amount": 1999,
      "currency": "GBP",
      "formatted": "£19.99"
    },
    "type": "unit_type",
    "updated_at": "2025-02-22T14:41:00Z"
  },
  "meta": {
    "request_id": "01563646-58c1-4607-8fe0-cae3e92c4477",
    "curies": [
      {
        "name": "bo",
        "href": "https://app.stora.test{rel}",
        "templated": true,
        "title": "Backoffice"
      },
      {
        "name": "sf",
        "href": "https://acme.stora.test{rel}",
        "templated": true,
        "title": "Storefront"
      }
    ]
  }
}