DevTalks Bucharest 2015 - A Credit Card Walks into a Bar...

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@cbetta @braintree_dev A Credit Card Walks into a Bar... by Cristiano Betta 1 Developer Advocate @braintree_dev A talk on credit cards in eCommerce

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@cbetta @braintree_dev A Credit Card Form Walks into a Bar... A talk on credit cards in eCommerce

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@cbetta @braintree_dev A Credit Card Form Walks into a Bar... A talk on credit cards in eCommerce A series of bad jokes Developer Advocate @braintree_dev by Cristiano Betta

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev A Credit Card Walks into a Bar...

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@cbetta @braintree_dev he says to the bartender, “I’ve been having a hard time meeting people” the bartender says: “Wait, aren’t you supposed to be good at generating...”

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@cbetta @braintree_dev “interest”

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@cbetta @braintree_dev THANK YOU!

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@cbetta @braintree_dev I <3 U Bucharest

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@cbetta @braintree_dev A Credit Card Walks into a Bar_

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@cbetta @braintree_dev I have a Cat

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@cbetta @braintree_dev Who has a “special” condition

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@cbetta @braintree_dev 14

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@cbetta @braintree_dev But he thinks he is the king of the house

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@cbetta @braintree_dev

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@cbetta @braintree_dev Actually he has a kidney condition

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@cbetta @braintree_dev People always want to see more photos and videos

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@cbetta @braintree_dev especially kids

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@cbetta @braintree_dev so...

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@cbetta @braintree_dev I wrote an application that...

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@cbetta @braintree_dev charges people money to see his face

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev I know what you are thinking...

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@cbetta @braintree_dev I am an a**hole

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@cbetta @braintree_dev I am actually raising money for his kidney surgery

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@cbetta @braintree_dev I promise!

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@cbetta @braintree_dev

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@cbetta @braintree_dev A Credit Card Form Walks into a Bar...

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@cbetta @braintree_dev the bartender says, “Why do you keep coming in here day after day ?” The credit card form looks at him miserably says “I’m just looking for some..."

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@cbetta @braintree_dev “validation”

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev Things people should not do when building a Credit Card Form

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@cbetta @braintree_dev Things I think you should not do when building a Credit Card Form

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@cbetta @braintree_dev

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@cbetta @braintree_dev baymard.com/lists/cart-abandonment-rate

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@cbetta @braintree_dev 1.

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@cbetta @braintree_dev Add a CAPTCHA

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@cbetta @braintree_dev CAPTCHA Completely Automated Public Turing test to tell Computers and Humans Apart

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev CAPTCHA Completely Automated Public Turing test to tell Computers and Humans Apart

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@cbetta @braintree_dev CAPTCHA Completely Automated Process That Causes Headaches and Anger

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@cbetta @braintree_dev 2.

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@cbetta @braintree_dev Ask users to register

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@cbetta @braintree_dev Ask users to register ...before purchasing

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev A Credit Card Form Walks into a Bar...

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@cbetta @braintree_dev the bartender says, “I haven’t seen you in a while!” The credit card form looks at him and says “Yeah, I had to go to jail. I was...”

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@cbetta @braintree_dev “Charged with bad humour"

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@cbetta @braintree_dev 3.

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@cbetta @braintree_dev Ask me for the credit card type?

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev * totally copied from Wikipedia

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev jquerycreditcardvalidator.com

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@cbetta @braintree_dev

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@cbetta @braintree_dev creditcardjs.com

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@cbetta @braintree_dev

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@cbetta @braintree_dev I <3 Braintree

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@cbetta @braintree_dev obviously...

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev github.com/braintree/card-validator

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@cbetta @braintree_dev

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@cbetta @braintree_dev 4.

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@cbetta @braintree_dev C.V.Who?

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev jessepollak.github.io/card

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev kenkeiter.com/skeuocard

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev Hosted Fields

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@cbetta @braintree_dev braintreepayments.com/features/hosted-fields

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@cbetta @braintree_dev

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@cbetta @braintree_dev 5.

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@cbetta @braintree_dev You don’t format dates as they are on my card

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev 6.

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@cbetta @braintree_dev 6.

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@cbetta @braintree_dev A Credit Card Form Walks into a Bar...

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@cbetta @braintree_dev he tries to pick up someone at the bar, They turn him down. The credit card form looks at the bartender and says “Well, this is awkward normally I’m the one who..."

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@cbetta @braintree_dev “Declines”

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@cbetta @braintree_dev 6.

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@cbetta @braintree_dev You don’t validate my card number inline

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@cbetta @braintree_dev Luhn Algorithm

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@cbetta @braintree_dev 4217 6511 1111 1119

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@cbetta @braintree_dev 4217 6511 1111 1119 9111 1111 1156 7124

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@cbetta @braintree_dev 4217 6511 1111 1119 9111 1111 1156 7124 9212 1212 1213 7228

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@cbetta @braintree_dev 14 + 6 + 11 + 19 = 50 4217 6511 1111 1119 9111 1111 1156 7124 9212 1212 1253 7228

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@cbetta @braintree_dev 50 % 10 == 0 ? 4217 6511 1111 1119 14 + 6 + 11 + 19 = 50 9111 1111 1156 7124 9212 1212 1253 7228

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev 7.

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@cbetta @braintree_dev 7.

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@cbetta @braintree_dev 6b.

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@cbetta @braintree_dev You don’t know your limits!

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@cbetta @braintree_dev Card! Number of Digits! AMEX! 15! Visa! 13 or 16! MasterCard! 16! Discover! 16!

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev 7.

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@cbetta @braintree_dev You don’t remember me

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev 8.

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@cbetta @braintree_dev You remember too much

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@cbetta @braintree_dev And then you lose my details!

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@cbetta @braintree_dev 2014 Home Depot 56M JP Morgan Chase 76M Staples 1.6M

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@cbetta @braintree_dev Tokenization

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev One more joke?

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@cbetta @braintree_dev A Credit Card Form Walks into a Bar...

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@cbetta @braintree_dev the bartender says, “You are new to this joint aren’t you?” The credit card form looks at him and says “Yeah, I just..."

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@cbetta @braintree_dev “Discovered it”

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@cbetta @braintree_dev

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@cbetta @braintree_dev 9.

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@cbetta @braintree_dev You have a “reset” button

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev 10.

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@cbetta @braintree_dev Where was I again?

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@cbetta @braintree_dev

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@cbetta @braintree_dev

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@cbetta @braintree_dev That’s all folks!

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@cbetta @braintree_dev Encore?

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@cbetta @braintree_dev An American Express Walks into a Bar in Moscow...

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@cbetta @braintree_dev the bartender says, “Sorry mate, You aren’t allowed in here without a...”

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@cbetta @braintree_dev “VISA”

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@cbetta @braintree_dev

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@cbetta @braintree_dev baddonationforms.tumblr.com

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@cbetta @braintree_dev THANK YOU!

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@cbetta @braintree_dev Cristiano Betta Developer Advocate Braintree_PayPal. cbetta@paypal.com slideshare.net/cbetta braintreepayments.com @braintree_dev @cbetta