My AI Agent Charged a Customer Twice in 11 Seconds. The Bug Was Invisible in Every Test I Wrote.
This story is from 2026-09-03. It is preserved in the archive; the latest stories are on the live feed.
The email landed at 7:42 on a Tuesday, subject line: charged twice? One customer, one subscription, two identical charges on their card statement, eleven seconds apart. Same amount, same invoice number, same everything. They were polite about it, which somehow made it worse. I run a small set of AI…
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- 2026-09-03 01:03 · DEV Community — AI
My AI Agent Charged a Customer Twice in 11 Seconds. The Bug Was Invisible in Every Test I Wrote.