curl --request GET \
  --url https://api.collectpure.com/listings/get-listings/v2 \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "productId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "variantId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "price": 123,
      "quantity": 123,
      "premiumPercent": 123,
      "premiumDollar": 123,
      "type": "<string>",
      "spotPremium": 123,
      "spotPremiumDollar": 123,
      "sellerNotes": "<string>",
      "inventoryId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "active": true,
      "expiresAt": "<string>",
      "createdAt": "<string>",
      "updatedAt": "<string>",
      "product": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "title": "<string>",
        "sku": "<string>",
        "material": "<string>"
      },
      "variant": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "title": "<string>"
      }
    }
  ],
  "total": 123
}