curl --request GET \
  --url https://app.flowglad.com/api/v1/payment-methods \
  --header 'Authorization: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "createdAt": 0,
      "updatedAt": 0,
      "livemode": true,
      "customerId": "<string>",
      "billingDetails": {
        "address": {
          "country": "<string>",
          "name": "<string>",
          "line1": "<string>",
          "line2": "<string>",
          "city": "<string>",
          "state": "<string>",
          "postal_code": "<string>",
          "address": {
            "country": "<string>",
            "name": "<string>",
            "line1": "<string>",
            "line2": "<string>",
            "city": "<string>",
            "state": "<string>",
            "postal_code": "<string>"
          }
        },
        "name": "<string>",
        "email": "<string>"
      },
      "type": "card",
      "default": true,
      "paymentMethodData": {},
      "metadata": {}
    }
  ],
  "hasMore": true,
  "total": 123,
  "currentCursor": "<string>",
  "nextCursor": "<string>"
}