Sep 18, 2026
One sale, two events: the duplicate your buyer sees
A single purchase can reach your system more than once, by design. What your buyer gets twice depends on what the platform decided counts as the same thing.
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4 articles
- Sep 8, 2026
Upgrade now, downgrade at renewal: the switch you have to design
A member upgrades on day nine. Stripe can bill the difference now, at the next renewal, or not at all, and choosing between those is your job, once per switch.
- Sep 2, 2026
Refund, reversal, chargeback: the three ways a sale comes undone
We built the refund path for cards, Telegram Stars and crypto. Reversing a sale varies more between rails than making one does; timing matters more than both.
- Aug 28, 2026
Nobody cancelled: what happens when a member's card fails
A failed renewal starts a countdown your member cannot see. How long it runs, who gets told, and what removal does are decisions your processor leaves to you.
