curl --request POST \
  --url https://api.sandbox.co.in/gst/compliance/tax-payer/invoices/status/save \
  --header 'Content-Type: application/json' \
  --header 'authorization: <authorization>' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "rtin": "24SHUBH3221U1Z1",
  "reqtyp": "SAVE",
  "invdata": {
    "b2b": [
      {
        "stin": "24MAYAS0100J1JD",
        "inum": "b1",
        "inv_typ": "R",
        "action": "A",
        "srcform": "R1",
        "rtnprd": "012023",
        "idt": "23-01-2023",
        "val": 1000,
        "pos": "24",
        "txval": 100,
        "iamt": 20,
        "camt": 20,
        "samt": 20,
        "cess": 0,
        "prev_status": "A",
        "remarks": "Business to business changes"
      }
    ],
    "b2ba": [
      {
        "oinum": "ab2",
        "oidt": "24-02-2023",
        "stin": "24MAYAS0100J1JD",
        "rtnprd": "012023",
        "inum": "b1a",
        "action": "A",
        "inv_typ": "R",
        "srcform": "R1",
        "idt": "24-02-2023",
        "val": 1000,
        "pos": "07",
        "txval": 100,
        "iamt": 20,
        "camt": 20,
        "samt": 20,
        "cess": 0,
        "prev_status": "A",
        "itcRedReq": "Y",
        "declIgst": 2000,
        "declSgst": 500,
        "declCgst": 500,
        "declCess": 100,
        "remarks": "Business to business ammendment changes"
      }
    ],
    "b2bdn": [
      {
        "stin": "24MAYAS0100J1JD",
        "nt_num": "dn2",
        "action": "A",
        "inv_typ": "R",
        "srcform": "R1",
        "rtnprd": "012023",
        "nt_dt": "24-02-2023",
        "val": 1000.1,
        "pos": "07",
        "txval": 1000.1,
        "iamt": 20,
        "camt": 20,
        "samt": 20,
        "cess": 0,
        "prev_status": "A",
        "remarks": "Business to business debit changes"
      }
    ],
    "b2bdna": [
      {
        "stin": "24MAYAS0100J1JD",
        "ont_num": "ca2",
        "ont_dt": "24-02-2023",
        "nt_num": "dn2",
        "action": "A",
        "inv_typ": "R",
        "srcform": "R1",
        "rtnprd": "012023",
        "nt_dt": "24-02-2023",
        "val": 1000.1,
        "pos": "07",
        "txval": 1000.1,
        "iamt": 20,
        "camt": 20,
        "samt": 20,
        "cess": 0,
        "prev_status": "A",
        "itcRedReq": "Y",
        "declIgst": 2000,
        "declSgst": 500,
        "declCgst": 500,
        "declCess": 100,
        "remarks": "Business to business debit ammendment changes"
      }
    ],
    "b2bcn": [
      {
        "stin": "24MAYAS0100J1JD",
        "nt_num": "dn2",
        "action": "A",
        "inv_typ": "R",
        "srcform": "R1",
        "rtnprd": "012023",
        "nt_dt": "24-02-2023",
        "val": 1000.1,
        "pos": "07",
        "txval": 1000.1,
        "iamt": 20,
        "camt": 20,
        "samt": 20,
        "cess": 0,
        "prev_status": "A",
        "itcRedReq": "Y",
        "declIgst": 2000,
        "declSgst": 500,
        "declCgst": 500,
        "declCess": 100,
        "remarks": "Business to business credit changes"
      }
    ],
    "b2bcna": [
      {
        "stin": "24MAYAS0100J1JD",
        "ont_num": "ca2",
        "ont_dt": "24-02-2023",
        "nt_num": "dn2",
        "action": "A",
        "inv_typ": "R",
        "srcform": "R1",
        "rtnprd": "012023",
        "nt_dt": "24-02-2023",
        "val": 1000.1,
        "pos": "07",
        "txval": 1000.1,
        "iamt": 20,
        "camt": 20,
        "samt": 20,
        "cess": 0,
        "prev_status": "A",
        "itcRedReq": "Y",
        "declIgst": 2000,
        "declSgst": 500,
        "declCgst": 500,
        "declCess": 100,
        "remarks": "Business to business credit ammendment changes"
      }
    ],
    "ecom": [
      {
        "stin": "24MAYAS0100J1JD",
        "rtnprd": "012023",
        "inum": "sd3",
        "action": "A",
        "srcform": "R1",
        "idt": "24-02-2023",
        "val": 1000,
        "pos": "07",
        "txval": 1000,
        "iamt": 20,
        "camt": 20,
        "samt": 20,
        "cess": 0,
        "prev_status": "A",
        "remarks": "E-com operator changes"
      }
    ],
    "ecoma": [
      {
        "stin": "24MAYAS0100J1JD",
        "oinum": "get5",
        "oidt": "24-02-2023",
        "rtnprd": "012023",
        "inum": "sd3",
        "action": "A",
        "srcform": "R1",
        "idt": "24-02-2023",
        "val": 1000,
        "pos": "07",
        "txval": 1000,
        "iamt": 20,
        "camt": 20,
        "samt": 20,
        "cess": 0,
        "prev_status": "A",
        "itcRedReq": "Y",
        "declIgst": 2000,
        "declSgst": 500,
        "declCgst": 500,
        "declCess": 100,
        "remarks": "E-com operator changes ammendment changes"
      }
    ]
  }
}
'

{
  "code": 200,
  "data": {
    "data": {
      "reference_id": "0032e479bcb644c"
    },
    "status_cd": "1"
  },
  "timestamp": 1763446641000,
  "transaction_id": "0f7f60a2-862c-4a1b-b6b4-baa76c6faae6"
}