Error message
Login failed: Invalid username or password
Last updated 21 June 2026
Login failed: Invalid username or password
In short
This error means the trading account credentials you entered in AutoTrader Web are wrong. The wrong field could be the login id, password, security/2FA answer, or API key. To fix it, mark the account non-live, correct the credentials, validate, save, and then mark it live again.
When this happens
- 1 The login id is wrong.
- 2 The password is wrong.
- 3 The security / 2FA answer is wrong.
- 4 The API key is wrong.
Errors
This fix applies to these errors:
- Login failed: Invalid username or password
- 401: Unauthorized
Solution
1. Mark your trading account non-live
- Go to menu (Accounts -> Trading Accounts).
- Select the row of your account.
- Click the Non-live button at the top.
2. Unblock the account if needed
If your trading account is blocked, first unblock it from your stock broker’s trading terminal or website.
3. Confirm you can log in at your broker
Make sure you are able to log in to your stock broker’s trading terminal or website with the same credentials.
4. Update your credentials
- Go to menu (Accounts -> Trading Accounts).
- Click the small EDIT icon next to your trading account’s client id or login id.
- Enter or correct your login credentials.
- Note: If you are not sure about certain fields, click the Help link at the bottom of the account edit screen.
- Click Validate.
- On successful validation, the system will ask you to Save the details. Click save.
5. Mark your account live
- Go to menu (Accounts -> Trading Accounts).
- Select the row of your account.
- Click the Live button at the top.
Related help
- Trading Accounts settings — where you add, edit, and validate accounts.
- Validate trading account credentials — the validation step explained.
- Session expired — a related login issue.
- Failed to generate TOTP — if your 2FA/TOTP setup is the problem.