Stripe webhooks can double-charge in production despite passing test mode

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A Stripe integration can pass all test-mode checks yet still cause problems with real customers. In production, Stripe may deliver the same event multiple times, in any order, and retries occur when an endpoint is slow or unavailable. The article recommends four changes: verifying the signature against the raw request body, recording each event ID with a unique key to detect repeat deliveries, returning a fast 200 response while handling work in a background job, and re-reading subscription state from Stripe before updating a user's plan. The piece is accompanied by a disclosure that the promoted clip belongs to a paid billing kit from Syncoders Labs.

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AI Engineer Roadmap 2026: Skills Employers Want, Based on 390 Job Postings

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

Self-modifying AI system's edit to its own protection enforcer refused three times

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ProgrammingDEV Community ·

Out-of-order insurance endorsements can silently corrupt event-driven policy data

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