curl --request PUT \
  --url https://api.sandbox.co.in/gst/compliance/e-way-bill/consignor/bill/{ewb_no}/multi-vehicle/vehicle \
  --header 'Content-Type: application/json' \
  --header 'authorization: <api-key>' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "ewbNo": 291010080003,
  "fromPlace": "Lucknow",
  "fromState": 9,
  "groupNo": 11,
  "newTranNo": "PQR123",
  "newVehicleNo": " PQR1234",
  "oldTranNo": "ABC123",
  "oldvehicleNo": "PQR1234",
  "reasonCode": "1",
  "reasonRem": "vehicle broke down"
}
'

{
  "code": 200,
  "data": {
    "error": {
      "errorCodes": "411"
    },
    "info": "",
    "status": "0"
  },
  "timestamp": 1763446641000,
  "transaction_id": "27d0adf9-1942-40c8-867d-19b490642ab1"
}