curl --request GET \
  --url https://api.interchange.io/api/v2/storefront/billing \
  --header 'Authorization: Bearer <token>'

{
  "billing": {
    "stripeConnectedAccountId": "<string>",
    "platformFeePercent": 123,
    "fees": [
      {
        "name": "<string>",
        "feePercent": 50,
        "description": "<string>"
      }
    ],
    "currency": "<string>",
    "country": "<string>",
    "defaultNetDays": 123,
    "inherited": true,
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  }
}