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The same failed payment destroyed one customer's data and left the next one's alone

We had a bug that only fired sometimes, and "sometimes" turned out to be a coin flip on webhook arrival order. Here's the setup. Our billing code ha…

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Architecting Bulletproof SaaS Billing with Stripe Building a SaaS product is a marathon, but billing is where developers often trip over their own s…

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A prompt-cache write pays for itself after a single re-read within the TTL: the write bills 1.25x the input rate, the read bills 0.1x, so one hit al…

caching cachewrite billing pricing

This is a story of how you receive a higher bill than expected and how GitHub's Billing Controls help clarity and predictability. Let's begin our st…

github billing

Last time, in Accepting Payments with Stripe , I covered the part everyone assumes is the hard bit: taking a card and moving money. It isn't, really…

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Creating a B2B SaaS application involves a number of challenges. One of the challenges facing entrepreneurs and businesses is the time required to d…

nextjs stripe saas billing

Move originally planned for Monday would have heavily increased power users' costs.

When a card payment fails in Stripe, you get a short string back — insufficient_funds , do_not_honor , authentication_required . Most teams glance a…

stripe payments saas billing

AI API pricing comes down to six decisions, in order: what to meter, which primitive to charge for, what to charge per unit, how to structure tiers,…

ai billing pricing startup

If you were on Hacker News yesterday, you saw it. A detailed post-mortem from a merchant who lost thousands of dollars to friendly fraud — customers…

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