They do. You can vendor lock a card and give it an all-time transaction cap. They've always had vendor locking but IDK if they've always have an all-time cap. I

They do. You can vendor lock a card and give it an all-time transaction cap. They've always had vendor locking but IDK if they've always have an all-time cap. I have run into the same problem GP ran into with someone running a test charge and failing the real charge, but I wasn't banned as a result, of course.