1. Log in to Notta Web from your PC.
2. If you have multiple workspaces, please select the target workspace of which billing method needs to be changed by clicking the workspace name displayed in the upper left corner.
3. Click [User Settings] on the left sidebar and then click [Billing].
4. Click [Add a new card].
5. Enter your card number, expiration date and security code, then click [Add].
6. Click [···] next to the the newly registered card, then click [Pay with this card] to confirm the change.
7. You can delete the unused card by clicking [···] → [Delete this card].