curl https://api.goshippo.com/shipments/5e40ead7cffe4cc1ad45108696162e42/rates/USD \
  -H "Authorization: ShippoToken <API_TOKEN>"

{
  "next": "baseurl?page=3&results=10",
  "previous": "baseurl?page=1&results=10",
  "results": [
    {
      "amount": "5.5",
      "amount_local": "5.5",
      "currency": "USD",
      "currency_local": "USD",
      "attributes": [
        "BESTVALUE"
      ],
      "carrier_account": "078870331023437cb917f5187429b093",
      "object_created": "2023-11-07T05:31:56Z",
      "object_id": "adcfdddf8ec64b84ad22772bce3ea37a",
      "object_owner": "pp@gmail.com",
      "provider": "USPS",
      "servicelevel": {
        "name": "Priority Mail Express",
        "terms": "<string>",
        "token": "usps_priority_express",
        "extended_token": "<string>",
        "parent_servicelevel": {
          "name": "Priority Mail Express",
          "terms": "<string>",
          "token": "usps_priority_express",
          "extended_token": "<string>"
        }
      },
      "shipment": "adcfdddf8ec64b84ad22772bce3ea37a",
      "arrives_by": "08:30:00",
      "duration_terms": "Delivery in 1 to 3 business days",
      "estimated_days": 2,
      "included_insurance_price": "1.05",
      "messages": [
        {
          "source": "UPS",
          "code": "carrier_timeout",
          "text": "UPS API did not respond. Please try again in a few minutes."
        }
      ],
      "provider_image_75": "https://cdn2.goshippo.com/providers/75/USPS.png",
      "provider_image_200": "https://cdn2.goshippo.com/providers/200/USPS.png",
      "test": true,
      "zone": "1"
    }
  ]
}