Replit
api
Stripe Idempotency Key Not Implemented
Same charge processes multiple times if request retries. Customers are charged twice for one payment.
Idempotency keys prevent duplicate processing on network retries.
Common Causes
- No Idempotency-Key header sent to Stripe
- Using random key instead of deterministic
- Not reusing key on retries
- Stripe idempotency not enabled in SDK
How to Fix It
Generate idempotency key from order ID (deterministic). Send with every Stripe request: RequestOptions.setIdempotencyKey(). For retry logic, reuse same key. Store processed keys with results to detect duplicates. Stripe repeats response for identical key within 24 hours.
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Get HelpFrequently Asked Questions
How do I generate an idempotency key?
Use order ID or UUID. Important: same operation = same key every time
How long does Stripe keep idempotency cache?
24 hours. After that, requests with same key are treated as new