Open Billing, use Buy credits or the top-up section, and choose a pack. Review the checkout total before completing payment. After checkout, check Bought and credit activity on Billing.
Purchased credits do not expire and do not count toward your subscription rollover cap. They stay separate from subscription credits, which are used first.
Top up with credit packs
Add article credits without changing your plan.
Credit packs add a one-time balance for articles and article image regeneration. They are available on Free, subscription and Lifetime accounts.