Coinbase uses different integrations based on the type of account you're connecting.

To connect your Coinbase One Card, head to the Accounts tab > tap/click the + button > Credit Card, Checkings and Savings > Link other institutions through Plaid > search for "Coinbase" > select Coinbase - One Card.

To connect your crypto account, you'll need to use Coinbase's direct integration. Head to the Accounts tab > tap/click the + button > Investments > select the Coinbase option.