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Stripe Best Practices

Fixing a Stripe Integration You Didn't Build: A Practical Triage Guide

Inheriting someone else's Stripe integration usually means inheriting their undocumented assumptions too. Here's how we triage one in the first week.

Z

Zeeshan

Founder · Published Feb 23, 2026

Fixing an integration you didn't build is one of our most common engagements, and it almost never starts with the bug the client reported. The reported bug is usually a symptom — a webhook failure, a billing discrepancy — of an architectural assumption made early on that nobody documented and the current team has no visibility into.

The First-Week Triage Checklist

  • Pull every webhook endpoint configured in the Stripe Dashboard and diff it against what the codebase actually handles — orphaned endpoints and silently-ignored event types are extremely common
  • Check for idempotency key usage on payment-creation code paths; its absence explains a large share of "duplicate charge" reports
  • Trace how subscription/plan state is stored locally versus read live from Stripe — drift between the two is the most frequent source of billing-discrepancy tickets
  • Confirm which API version the integration was built against; undocumented reliance on deprecated API behavor is a common source of "it just started breaking" reports after a Stripe-side update

Why This Takes Longer Than It Looks

The actual code fix for most of these issues is small. The time goes into reconstructing what the previous integration was supposed to do before we can safely change what it actually does — skipping that step is how a "quick fix" turns into a second outage a month later.

#migration#webhooks

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On This Page

  • The First-Week Triage Checklist
  • Why This Takes Longer Than It Looks

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