curl --request POST \
  --url https://api.sandbox.co.in/gst/compliance/e-way-bill/consignor/bill/{ewb_no}/multi-vehicle \
  --header 'Content-Type: application/json' \
  --header 'authorization: <authorization>' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "ewbNo": 291010080003,
  "fromPlace": "BANGALORE",
  "fromState": 29,
  "reasonCode": "1",
  "reasonRem": "vehicle broke down",
  "toPlace": "Beml Nagar",
  "toState": 24,
  "totalQuantity": 33,
  "transMode": "1",
  "unitCode": "NOS"
}
'

{
  "code": 200,
  "data": {
    "error": {
      "errorCodes": "646,"
    },
    "info": "",
    "status": "0"
  },
  "timestamp": 1763446641000,
  "transaction_id": "a1dbfc06-be89-4692-8406-87c822756bcc"
}