curl --request POST \
  --url https://api.paygentic.io/v0/externalAccounts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "organizationId": "<string>",
  "countryCode": "<string>",
  "bankName": "<string>",
  "currency": "<string>",
  "accountNumber": "<string>",
  "routingNumber": "<string>",
  "accountHolderName": "<string>",
  "accountHolderType": "individual",
  "metadata": {}
}'

{
  "id": "<string>",
  "object": "externalBankAccount",
  "organizationId": "<string>",
  "countryCode": "<string>",
  "bankName": "<string>",
  "currency": "<string>",
  "last4": "<string>",
  "accountHolderName": "<string>",
  "accountHolderType": "individual",
  "status": "new",
  "metadata": {},
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z"
}