HBCI is only made available by Targobank for customers who use the mTAN(smsTAN) procedure. 

Here are further hints from Targobank, Targobank is working on solutions:

- When displaying credit card transactions (HKKAZ), the sign of the transaction amounts may be reversed.

- In some cases, for example, the login does not work for some solo credit cards for private customers.
- The turnover history for current and call money accounts can only be called up in the long term via the camt format (HKCAZ).