curl --request GET \
  --url https://api.henrylabs.ai/v0/merchants/shipping-info \
  --header 'x-api-key: <api-key>'

{
  "success": true,
  "status": "<string>",
  "message": "<string>",
  "data": {
    "merchants": [
      {
        "id": "<string>",
        "name": "<string>",
        "domain": "<string>",
        "displayName": "Walmart Inc.",
        "freeShippingThreshold": 35,
        "shippingNotes": "Free shipping on orders over $35",
        "shippingTiers": [
          {
            "id": "<string>",
            "tierName": "<string>",
            "cost": 123,
            "estimatedDeliveryMinDays": 3,
            "estimatedDeliveryMaxDays": 7
          }
        ]
      }
    ],
    "totalCount": 123,
    "hasMore": true
  }
}