curl --request GET \
  --url https://dash.getopenrails.com/api/gateway/payments/{paymentId}

{
  "id": "<string>",
  "amount": 123,
  "currency": "<string>",
  "created": "2023-11-07T05:31:56Z",
  "customerId": "<string>",
  "invoiceId": "<string>",
  "sessionId": "<string>",
  "route": {
    "id": "<string>",
    "label": "<string>"
  },
  "fees": {
    "buyer_fee": 123,
    "gateway_fee": 123,
    "merchant_net": 123,
    "total": 123
  },
  "metadata": {}
}