Credentials
type discriminator,
which corresponds to a Bank.ExternalApi.Dto.PaymentMethod.
{
"bankDetails": {
"bankName": "string",
"bankCountry": "string",
"bankRegion": "string",
"bankAddress": "string",
"bic": "string",
"intermediaryBic": "string",
"bankCode": "string",
"routingNumber": "string",
"sortCode": "string",
"branchCode": "string"
},
"type": "sepa",
"iban": "string",
"reference": "string"
}