curl --request GET \
  --url https://api.paycashless.com/v1/banks/account_lookup \
  --header 'Request-Signature: <request-signature>' \
  --header 'Request-Timestamp: <request-timestamp>'

{
  "accountNumber": "<string>",
  "accountName": "<string>",
  "bank": {
    "id": "<string>",
    "name": "<string>",
    "cbnCode": "<string>",
    "nibssCode": "<string>"
  }
}