Hello Team,
I am facing continuous issues with Fyers API authentication. Even after generating new access tokens using the official get_token_v3.py flow, my API requests fail with the following error:
"code": -16,
"message": "Could not authenticate the user",
"s": "error"
What I have tried so far:
1. Generated fresh ACCESS_TOKEN and REFRESH_TOKEN multiple times.
2. Updated the .env file properly with new tokens.
3. Verified token with a JWT decoder – payload shows valid values (sub: access_token, iat, exp, etc.).
4. Tried API endpoints like /v3/profile and /data/history – both return the same 401 authentication error.
5. Followed documentation instructions carefully, but still unable to authenticate.
Environment:
Python 3.12
Redirect URI: http://127.0.0.1:5000/callback
Client ID: [Your Client ID]
App Type: Trading App
Request:
Kindly help me resolve this issue. Please confirm if there is a mismatch in Client ID/App ID setup or if there is any known problem with token validation at present.
Thanks,
Swapnil Mahajan