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Originally Posted by bassjunkies
hello guys just wanted to let u know ur checker its approving some US CCs and then instantly kills them happens every 4/10 times US CARDS ARE VERY SENSITIVE THESE DAYS (or maybe merchants flagged idk you are the experts on checking) and happens with some ASIA and EUROPE cards too ivebeen testing alot please dont tell me im new and that im testing cards wrong i know what im doing.
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I will share with you a bit of wisdom about the usage of public checkers. Only use public checkers to confirm that the card is dead, period. Do not use public checkers to figure out if a card is valid to be subsequently used for a purchase. In the overwhelming majority of cases the public checker will return a positive result while the bank instantly freezes the card for subsequent purchases (and sometimes the checker will kill the card and return a negative return too -- 2 different cases here). There are other ways of checking the validity of the card without any risk (calling the bank is my preferred method). That being said, if you are intent on checking your cards prior to actual use, then create an endless supply of disposable merchant accounts (Stripe and Square are the easiest) and use each one for an x amount of charges before discarding the acct (you have to figure out when each different institution blacklists your merchant acct # and ideally you move on to the next one b4 you reach that point). If this isn't helpful to your case in particular, it is OK; I hope someone else benefits from this.