I'll be happy to help you connect your HSBC credit card with QuickBooks Online.
1. On the left panel, click Banking.
2. Click Connect.
3. Search for the HSBC credit card.
4. Enter the "Username" and "Password" to sign in.
5. Choose your account as "Credit Card".
After connecting the credit card, QuickBooks downloads your 90 days worth of transactions. Then, you can sort the transactions by clicking Category or Match, and you can also change the transaction category.