curl --request GET \
  --url https://staging.afx-server.com/api/v1/payment-method \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "paymentMethodId": "<string>",
      "customerId": "<string>",
      "institution": {
        "institutionId": "<string>",
        "institutionName": "<string>",
        "institutionCode": "<string>",
        "institutionAddress": "<string>"
      },
      "transaction": {
        "transactionInvoice": "<string>",
        "transactionNarration": "<string>"
      },
      "channel": "BANK_ACCOUNT",
      "countryCode": "<string>",
      "accountName": "<string>",
      "accountNumber": "<string>",
      "meta": {}
    }
  ],
  "page": 123,
  "total": 123
}