If you don't have a card that allows that, you can also buy a prepaid card, though I believe such cards may have distinctive numbers and it's possible a vendor may disallow.
One of the best discoveries I found on hn a few years ago
Btw their numbers don’t work with Adobe, but I used Privacy for a Microsoft Office trial about 6 months ago and I got an email every time Microsoft attempted to charge me, which was approximately once/week before I just deleted that card.
I haven’t been able to find a service like this that supports Australian users, so looking for suggestions!
I use this for signing up to watch HBO Max and some other subscriptions. It's pretty handy.
How are they able to keep this free?
> we make money from the interchange paid by merchants