curl -i -X GET \
  'https://api.portal.io/public/catalog/8821?ExtendedDetails=true' \
  -H 'Accept: application/json' \
  -H 'X-MSS-API-APPID: YOUR_APP_ID' \
  -H 'X-MSS-API-USERKEY: YOUR_USER_KEY' \
  -H 'X-MSS-CUSTOM-DATE: Mon, 06 Apr 2026 00:22:19 GMT' \
  -H 'X-MSS-SIGNATURE: BASE64_SIGNATURE'

{
  "description": "The AVR-X3800H is a 9.4-channel, 105W AV receiver with 8K video support...",
  "productUrl": "https://portal.io/catalog/8821",
  "manufacturerProductUrl": "https://www.denon.com/avr-x3800h",
  "additionalImageUrls": [
    "https://images.portal.io/catalog/8821/angle.jpg"
  ],
  "pdfResourceLinks": [
    { "name": "Owner's Manual", "url": "https://docs.denon.com/avr-x3800h-manual.pdf" }
  ],
  "videoResourceLinks": [],
  "specs": [
    { "name": "Channels", "value": "9.4" },
    { "name": "Power Output", "value": "105W per channel" }
  ],
  "suppliers": [
    {
      "id": 5,
      "name": "D&H Distributing",
      "cost": {
        "value": 975.00,
        "isPromo": false,
        "isInStock": true,
        "unitOfMeasure": "Each",
        "discountPercentage": 0,
        "currency": { "code": "USD", "symbol": "$" },
        "lastVerifiedDate": "2026-04-01T00:00:00Z"
      }
    }
  ],
  "id": 8821,
  "brand": "Denon",
  "model": "AVR-X3800H",
  "shortDescription": "9.4-Channel 105W 8K AV Receiver",
  "primaryImageUrl": "https://images.portal.io/catalog/8821/primary.jpg",
  "parentCategoryId": 12,
  "categoryId": 47,
  "categories": ["Audio", "AV Receivers"],
  "isFavorite": false,
  "isDiscontinued": false,
  "rank": 1,
  "msrp": {
    "msrpUsd": 1299.00,
    "value": 1299.00,
    "regularValue": 1299.00,
    "isCustom": false,
    "currency": { "code": "USD", "symbol": "$" },
    "lastModifiedDate": "2026-01-15T00:00:00Z"
  },
  "defaultCost": {
    "supplierName": "D&H Distributing",
    "supplierSku": "AVR-X3800H",
    "managePriceStatus": "Activated",
    "accountNumber": "DH-12345",
    "isInStock": true,
    "isPromo": false,
    "lastVerifiedDate": "2026-04-01T00:00:00Z",
    "unitOfMeasure": "Each",
    "discountPercentage": 0,
    "regularValue": 975.00,
    "isCustom": false,
    "value": 975.00,
    "lastModifiedDate": "2026-04-01T00:00:00Z",
    "currency": { "code": "USD", "symbol": "$" }
  },
  "sellPrice": {
    "type": "CostMultiplier",
    "costMultiplier": 1.4,
    "value": 1365.00,
    "lastModifiedDate": "2026-03-01T00:00:00Z",
    "currency": { "code": "USD", "symbol": "$" }
  }
}