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Re:A startup’s Firebase bill suddenly increased from $25 to ... by vxNsr on Wednesday May 17, 2017 @12:34PM (#14360095)
I know that bank of america offers this feature on all its personal credit cards. You can create a temporary card number (and related info) as well as how much can be charged in a given month and how many months the card number should be active for.

The only reason I don't use them for everything is because I get better cashback/points with other cards.

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