upsert = false, it mean if id is available then record is update as per body.
Key = upsert, Value = true
upsert = true, either if id is available then record update or record insert as per body.
"data": [
{
"first_name": "John",
"last_name": "Sina",
"last_update": "2022-11-14 04: 34: 58",
"pincode": 382350,
"isActive": 0
}
]