Question: Will this work for Temporary payment processing solutions? I am having a lot of trouble integrating paypal pro (credit card processing) on to my website.\n\nSince my goal was to get it up and running by black friday, I am trying a simplier solution.  while I cannot check each specific card number, I will have it check to make sure that the card can be consitered a valid credit card number (then before sending i will process it myself, and if there is a problem I will e-mail for a new card).\n\nThe details on the card types that I have are:\n\n"MasterCard", Starting Number>>"51,52,53,54,55",  Total No:"16");\n\n"VisaCard" Starting Number>>, "4",Total No: "13,16");\n\n"AmExCard" Starting Number>>, "34,37", Total No:"15"); \n\n"DinersClubCard" Starting Number>>, "30,36,38",Total No: "14"); \n\n"DiscoverCard" Starting Number>>, "6011", Total No:"16");\n\n"enRouteCard" Starting Number>>, "2014,2149", Total No:"15"); \n\n"JCBCard" Starting Number>>, "3088,3096,3112,3158,3337,3528", Total No:"16"); \n\nare these numbers correct?\nTHANKS !

Answer: Yeah those numbers are correct. You can also use the Luhn formula to then validate card numbers quickly to make sure they are at least a valid possible card number and process it manually if it passes the checks. \n\nThis should be sufficient enough for you to then process cards with a reasonable amount of certainty. Just make sure the card clears before sending any goods so that you don't get stiffed with bogus cards.\n\nI have included a few websites you can use (some of them you might have seen already).\n\nEnjoy!
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