curl --request GET \
  --url https://api.ecrypt.com/v1/customers/{Customer}/subscriptions/{Subscription} \
  --header 'x-api-key: <api-key>'

{
  "customerSubscriptionId": "<string>",
  "installments": 123,
  "taxAmount": 123,
  "shippingAmount": 123,
  "surchargeAmount": 123,
  "totalAmount": 123,
  "startDate": "2023-11-07T05:31:56Z",
  "created": "2023-11-07T05:31:56Z",
  "status": "<string>",
  "bills": [
    {
      "due": "2023-11-07T05:31:56Z",
      "transactionId": 123,
      "status": "<string>"
    }
  ]
}