CryptoTrader.Tax only needs "Read" access to import your trade history. This permission protects your accounts. Learn more about API access in this article here.
Login to your Bibox account.
Mouse over the Profile icon in the top right corner of the page and select API from the menu.
Click on Set up API.
Add a note for the new key.
Enter your 2FA code, using your Google Authenticator for example.
Upon successful API credentials creation, write down your secret, you will need it later to import your transactions.
Navigate to the Bibox tab inside CryptoTrader.Tax and click Auto-Import, enter your API Key and API Secret into the provided text box.
Finally, click Sync Transactions to import your transaction history.