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Bulk Add Items to Cart

POST /cart/bulk/add

Retrieves a list of available items for bulk adding to cart, filtered by item type, seller, and excluded asset IDs.
POST /cart/bulk/add
Authentication: connected Body Parameters
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itemId
integer
required
The item type ID to add to cart.
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count
integer
required
Number of items to retrieve (must be a positive number).
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excludeAssetIds
array
Array of asset IDs to exclude from the results. Can also be a comma-separated string or JSON string.
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sellerUserId
string
Optional seller’s Steam ID to filter items from a specific seller.
Response 
{
  "status": "success",
  "data": {
    "items": [
      {
        "id": 12345,
        "assetId": "9876543210",
        "item_id": 5678,
        "name": "Unusual Hat",
        "price": 5000,
        "seller": "76561198000000000",
        "image": "https://..."
      }
    ],
    "count": 5
  }
}
Errors
StatusMessage
errorMissing required parameters: itemId, count
errorInvalid itemId parameter
errorInvalid count parameter. Must be a positive number
The endpoint automatically excludes items owned by the buyer (buyerUserId). If sellerUserId is provided, only items from that seller are returned.