@deeeepak Some more details

(angelone) [ec2-user@ip-172-111-111-111 angelone]$ pip list installed
Package            Version
------------------ ---------
attrs              23.1.0
autobahn           23.6.2
Automat            22.10.0
certifi            2023.5.7
cffi               1.15.1
charset-normalizer 3.1.0
constantly         15.1.0
contourpy          1.3.3
cryptography       43.0.1
cycler             0.12.1
fonttools          4.61.1
hyperlink          21.0.0
idna               3.4
incremental        22.10.0
isodate            0.6.1
jwt                1.4.0
kiwisolver         1.4.9
logzero            1.7.0
matplotlib         3.10.8
mplfinance         0.12.10b0
numpy              2.4.0
packaging          25.0
pandas             2.3.3
pandas-ta-classic  0.3.59
pillow             12.1.0
pip                25.3
pycparser          2.21
pycryptodome       3.23.0
pyotp              2.8.0
pyparsing          3.1.0
python-dateutil    2.8.2
pytz               2023.3
rdflib             6.3.2
rdflib-jsonld      0.6.2
requests           2.31.0
setuptools         80.9.0
simplejson         3.19.1
six                1.16.0
smartapi-python    1.4.8
Twisted            22.10.0
txaio              23.1.1
typing_extensions  4.6.3
tzdata             2025.3
urllib3            2.0.3
websocket-client   1.8.0
wheel              0.45.1
zope.interface     6.0

Hi Team,

Can you please check the error below, where the SmartConnect Python SDK is not able to handle the response from the server?

Tue, 02-Jun 14:56:06 COFORGE    ------------------------------------------------------------------------------------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/ec2-user/angelone/lib64/python3.11/site-packages/SmartApi/smartConnect.py", line 230, in _request
    data = json.loads(r.content.decode("utf8"))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.11/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.11/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.11/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ec2-user/angelone/top_gainers_losers.py", line 429, in <module>
    hist_data = smartApi.getCandleData({"exchange": "NFO","symboltoken": str(opt_token),"interval": "FIVE_MINUTE","fromdate":fromdate ,"todate": todate})
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/ec2-user/angelone/lib64/python3.11/site-packages/SmartApi/smartConnect.py", line 465, in getCandleData
    getCandleDataResponse=self._postRequest("api.candle.data",historicDataParams)
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/ec2-user/angelone/lib64/python3.11/site-packages/SmartApi/smartConnect.py", line 263, in _postRequest
    return self._request(route, "POST", params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/ec2-user/angelone/lib64/python3.11/site-packages/SmartApi/smartConnect.py", line 233, in _request
    raise ex.DataException("Couldn't parse the JSON response received from the server: {content}".format(
SmartApi.smartExceptions.DataException: Couldn't parse the JSON response received from the server: b'Access denied because of exceeding access rate'

Hi @admin can you please share what's wrong with my inputs? I get the same error.

[E 260107 09:21:35 smartConnect:246] Error occurred while making a POST request to https://apiconnect.angelone.in/rest/secure/angelbroking/historical/v1/getCandleData.
Error: Something Went Wrong, Please Try After Sometime.
URL: https://apiconnect.angelone.in/rest/secure/angelbroking/historical/v1/getCandleData,

Headers: {'Content-type': 'application/json', 'X-ClientLocalIP': '127.0.0.1', 'X-ClientPublicIP': 'XXXXXXXX', 'X-MACAddress': 'XXXXXXXXXX', 'Accept': 'application/json', 'X-PrivateKey': 'XXXXXX', 'X-UserType': 'USER', 'X-SourceID': 'WEB'}, 
Request: {'exchange': 'NFO', 'symboltoken': '123274', 'interval': 'FIVE_MINUTE', 'fromdate': '2026-01-06 09:15', 'todate': '2026-01-07 09:20'}, 
Response: {'message': 'Something Went Wrong, Please Try After Sometime', 'errorcode': 'AB1004', 'status': False, 'data': None}

@admin

[E 260106 11:13:55 smartConnect:246] 
Error occurred while making a POST request to https://apiconnect.angelone.in/rest/secure/angelbroking/historical/v1/getCandleData. Error: Something Went Wrong, Please Try After Sometime. URL: https://apiconnect.angelone.in/rest/secure/angelbroking/historical/v1/getCandleData, 
Headers: {'Content-type': 'application/json', 'X-ClientLocalIP': '127.0.0.1', 'X-ClientPublicIP': '106.198.198.198', 'X-MACAddress': 'b5:b5:b5:b5:b5:b5', 'Accept': 'application/json', 'X-PrivateKey': 'XXXXXX', 'X-UserType': 'USER', 'X-SourceID': 'WEB'}, 
Request: {'exchange': 'NFO', 'symboltoken': '119475', 'interval': 'FIVE_MINUTE', 'fromdate': '2026-01-05 09:15', 'todate': '2026-01-06 11:13'}, 
Response: {'message': 'Something Went Wrong, Please Try After Sometime', 'errorcode': 'AB1004', 'status': False, 'data': None}

Timestamp: 06-Jan-2026 11:13:55
Inputs:
NATIONALUM27JAN26335CE
2026-01-05 09:15
2026-01-06 11:13

Hi @Moderator_3 ,

API for gainersLosers was working till 11:20 today and stopped after it.

[E 240912 11:59:03 smartConnect:243] Error occurred while making a POST request to https://apiconnect.angelbroking.com/rest/secure/angelbroking/marketData/v1/gainersLosers. Error: Something Went Wrong, Please Try After Sometime. URL: https://apiconnect.angelbroking.com/rest/secure/angelbroking/marketData/v1/gainersLosers, Headers: {'Content-type': 'application/json', 'X-ClientLocalIP': '127.0.0.1', 'X-ClientPublicIP': ' ', 'X-MACAddress': '', 'Accept': 'application/json', 'X-PrivateKey': '', 'X-UserType': 'USER', 'X-SourceID': 'WEB'}, Request: {'datatype': 'PercOIGainers', 'expirytype': 'NEAR'}, Response: {'message': 'Something Went Wrong, Please Try After Sometime', 'errorcode': 'AB1004', 'status': False, 'data': None}

so far i have tried

1. upgraded to smartapi-python 1.4.9
2. re-created access token.

Can you please check and fix.
My username: D58222660

Hi Team, Can you please share any update

@Moderator_3 any update please.

Can someone please guide me how to place pay later order in python