Basket margin error

I just tried the below basket order parameters and it's working fine. Recheck your order params and if still facing issue, you can enable debug logs and paste here the complete stake trace.

[{
'exchange': 'NFO',
'tradingsymbol': 'BANKNIFTY23APR37000CE',
'transaction_type': 'BUY',
'variety': 'regular',
'product': 'MIS',
'order_type': 'MARKET',
'quantity': 50,
'price': 0,
'trigger_price': 0,
'squareoff': 0,
'stoploss': 0,
},
{'exchange': 'NFO',
'tradingsymbol': 'BANKNIFTY23APR37000PE',
'transaction_type': 'SELL',
'variety': 'regular',
'product': 'MIS',
'order_type': 'MARKET',
'quantity': 50,
'price': 0,
'trigger_price': 0,
'squareoff': 0,
'stoploss': 0,
},
{"exchange": "NFO",
"tradingsymbol": 'BANKNIFTY23APR43700PE',
"transaction_type": "BUY",
"variety": "regular",
"product": "MIS",
"order_type": "MARKET",
"quantity": 50,
"price": 0,
"trigger_price": 0}, 
{"exchange": "NFO",
"tradingsymbol": 'BANKNIFTY23APR43700CE',
"transaction_type": "BUY",
"variety": "regular",
"product": "MIS",
"order_type": "MARKET",
"quantity": 50,
"price": 0,
"trigger_price": 0
}]

Please find the screenshot for reference

File "C:\Users\Achalah\miniconda3\lib\site-packages\spyder_kernels\customize\spyderpdb.py", line 881, in run
    super(SpyderPdb, self).run(cmd, globals, locals)

  File "C:\Users\Achalah\miniconda3\lib\bdb.py", line 597, in run
    exec(cmd, globals, locals)

  File "c:\users\achalah\untitled1.py", line 135, in <module>
    basket_order_margin = kite.basket_order_margins([{

  File "C:\Users\Achalah\miniconda3\lib\site-packages\kiteconnect\connect.py", line 784, in basket_order_margins
    return self._post("order.margins.basket",

  File "C:\Users\Achalah\miniconda3\lib\site-packages\kiteconnect\connect.py", line 855, in _post
    return self._request(route, "POST", url_args=url_args, params=params, is_json=is_json, query_params=query_params)

  File "C:\Users\Achalah\miniconda3\lib\site-packages\kiteconnect\connect.py", line 906, in _request
    raise e

  File "C:\Users\Achalah\miniconda3\lib\site-packages\kiteconnect\connect.py", line 894, in _request
    r = self.reqsession.request(method,

  File "C:\Users\Achalah\miniconda3\lib\site-packages\requests\sessions.py", line 573, in request
    prep = self.prepare_request(req)

  File "C:\Users\Achalah\miniconda3\lib\site-packages\requests\sessions.py", line 484, in prepare_request
    p.prepare(

  File "C:\Users\Achalah\miniconda3\lib\site-packages\requests\models.py", line 371, in prepare
    self.prepare_body(data, files, json)

  File "C:\Users\Achalah\miniconda3\lib\site-packages\requests\models.py", line 511, in prepare_body
    body = complexjson.dumps(json, allow_nan=False)

  File "C:\Users\Achalah\miniconda3\lib\json\__init__.py", line 238, in dumps
    **kw).encode(obj)

  File "C:\Users\Achalah\miniconda3\lib\json\encoder.py", line 199, in encode
    chunks = self.iterencode(o, _one_shot=True)

  File "C:\Users\Achalah\miniconda3\lib\json\encoder.py", line 257, in iterencode
    return _iterencode(o, 0)

  File "C:\Users\Achalah\miniconda3\lib\json\encoder.py", line 179, in default
    raise TypeError(f'Object of type {o.__class__.__name__} '

TypeError: Object of type int64 is not JSON serializable

I

n:(call_buy_strike, call_strike_sell, put_buy_strike, put_strike_sell, qty)
Out[38]: 
(instrument_token                 10660610
 exchange_token                      41643
 tradingsymbol       BANKNIFTY2332341400CE
 name                            BANKNIFTY
 last_price                            0.0
 expiry                         2023-03-23
 strike                            41400.0
 tick_size                            0.05
 lot_size                               25
 instrument_type                        CE
 segment                           NFO-OPT
 exchange                              NFO
 Name: 1715, dtype: object,
 instrument_token                 10652162
 exchange_token                      41610
 tradingsymbol       BANKNIFTY2332339900CE
 name                            BANKNIFTY
 last_price                            0.0
 expiry                         2023-03-23
 strike                            39900.0
 tick_size                            0.05
 lot_size                               25
 instrument_type                        CE
 segment                           NFO-OPT
 exchange                              NFO
 Name: 1685, dtype: object,
 instrument_token                 10643202
 exchange_token                      41575
 tradingsymbol       BANKNIFTY2332338400PE
 name                            BANKNIFTY
 last_price                            0.0
 expiry                         2023-03-23
 strike                            38400.0
 tick_size                            0.05
 lot_size                               25
 instrument_type                        PE
 segment                           NFO-OPT
 exchange                              NFO
 Name: 1656, dtype: object,
 instrument_token                 10652418
 exchange_token                      41611
 tradingsymbol       BANKNIFTY2332339900PE
 name                            BANKNIFTY
 last_price                            0.0
 expiry                         2023-03-23
 strike                            39900.0
 tick_size                            0.05
 lot_size                               25
 instrument_type                        PE
 segment                           NFO-OPT
 exchange                              NFO
 Name: 1686, dtype: object,
 75)

Found the error, was passing numpy.int 64 instead of int for qty , please close the thread