curl --request POST \
  --url https://api.interchange.io/api/v2/buyer/advertisers/{advertiserId}/catalogs/sync \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "account": {
    "account_id": "12345"
  },
  "catalogs": [
    {
      "catalog_id": "my-summer-products",
      "type": "offering",
      "name": "Summer Sale 2026",
      "url": "https://feeds.example.com/products.xml",
      "feed_format": "google_merchant_center",
      "update_frequency": "realtime",
      "items": [
        {}
      ],
      "conversion_events": [
        "purchase",
        "add_to_cart"
      ]
    }
  ]
}
'

{
  "catalogs": [
    {
      "catalog_id": "<string>",
      "action": "created",
      "platform_id": "<string>",
      "item_count": 4503599627370495,
      "items_approved": 4503599627370495,
      "items_pending": 4503599627370495,
      "items_rejected": 4503599627370495,
      "item_issues": [
        {
          "issue": "<string>",
          "item_id": "<string>",
          "field": "<string>",
          "severity": "error"
        }
      ],
      "last_synced_at": "2023-11-07T05:31:56Z",
      "next_fetch_at": "2023-11-07T05:31:56Z",
      "error": "<string>"
    }
  ],
  "dry_run": true
}