curl --request POST \
  --url https://demoapi.saasphereltd.com/api/v1/operations/intra-transfer/single \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "value_date": "<any>",
  "debit_account": "1234567890",
  "credit_account": "0987654321",
  "amount": "5000.00",
  "narration": "Payment for services",
  "reference": "REF123456",
  "force_debit": false
}
'

{
  "status": "00",
  "message": "Transfer successful",
  "data": {
    "tranId": "123456"
  }
}