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patio11's profile
Patrick McKenzie
Patrick McKenzie
Patrick McKenzie
@patio11

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Patrick McKenzie

@patio11

I work for the Internet, at @stripe, mostly on accelerating startups. Opinions here are my own.

東京都 Tokyo
kalzumeus.com
Joined February 2009

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    Patrick McKenzie‏ @patio11 28 Feb 2018
    • Report Tweet
    • Report NetzDG Violation

    Patrick McKenzie Retweeted DHH

    Hey Internets: if you ever find yourself telling your customers “You will have to dispute that payment with your financial institution.” at scale, please take a deep breath, go read your processor’s docs about disputes, and then unmake that really really bad decision.https://twitter.com/dhh/status/968983491151986688 …

    Patrick McKenzie added,

    DHHVerified account @dhh
    If our shitty payment system leaves you uncertain of whether you've paid or not, well, fuck you, that's your problem. And don't use the fucking back button!! Browsers just should have that, okay? pic.twitter.com/2OHei0O66R
    Show this thread
    3:07 PM - 28 Feb 2018
    • 8 Retweets
    • 50 Likes
    • Daniel Klein Lee Edwards 🏳️‍🌈🦾 Feature Upvote Jason Danner Franklin He Kamil Choudhury Jim Gray Aneel ☕️ Just this hotel guy, you know?
    6 replies 8 retweets 50 likes
      1. New conversation
      2. Patrick McKenzie‏ @patio11 28 Feb 2018
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        I can envision a scenario for telling one abusive customer asking for a refund “Look, we’re done here; take it up with your bank.” but if you’ve got it in your core payment flow that is a catastrophically bad decision.

        2 replies 0 retweets 15 likes
        Show this thread
      3. Patrick McKenzie‏ @patio11 28 Feb 2018
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        I am not kidding, Internets. Do not do this. Do not do this. You will get fired as a customer by your payments processor. That is *not* the worst thing that can happen. Do not do this.

        2 replies 1 retweet 17 likes
        Show this thread
      4. End of conversation
      1. Kamil Choudhury‏ @kchoudhu 28 Feb 2018
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        Replying to @patio11

        Screw idempotence keys, amirite?

        0 replies 0 retweets 3 likes
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      1. Nerd curious abt psychology  🧠‏ @ClayNichols 28 Feb 2018
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        Replying to @patio11

        The ALL RED. EVERYTHING IS MOST IMPORTANT was the biggest red flag (no pun intended). I knew a guy like that in Naval Crypto school: he highlighted the entire book.

        0 replies 0 retweets 2 likes
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      1. New conversation
      2. Daniel Barlow‏ @telent_net 28 Feb 2018
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        Replying to @patio11

        Sagepay gateway has a delightful failure mode if they can't POST the auth confirmation back to your server, where they will leave an auth shadow on the card and nothing can clear it but for the passage of time (5 days)

        1 reply 0 retweets 0 likes
      3. Daniel Barlow‏ @telent_net 28 Feb 2018
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        Replying to @telent_net @patio11

        but IIRC it gets worse if the card was a debit card not a credit card: debit cards don't do shadows, so instead the system performs an actual withdrawal

        1 reply 0 retweets 0 likes
      4. 1 more reply
      1. Paul Roales‏ @PaulRoales 28 Feb 2018
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        Replying to @patio11

        This is why I love Amex - 4 clicks and I get my money back from any bad merchant like that. And that bad merchant gets to pay a nice fat chargeback fee for being incompetent/awful.

        0 replies 0 retweets 0 likes
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      1. Andy Hall‏ @fenomas 1 Mar 2018
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        Replying to @patio11

        Reminds me of the time Amazon customer support told me their system wouldn't let them cancel a charge, but to please dispute it with my bank because then it gets escalated to the fraud team and their system can cancel it.

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