Same webhook arrives twice, customer gets duplicate email
Source may retry. Make the flow idempotent with a unique-key check before processing.
Try this first
- 1Identify unique ID in payload (event_id, order_id)
- 2Store processed IDs in a table or cache
- 3Skip if ID already seen, log the skip
- 4Cache TTL long enough for retry windows
When to bring us in
On financial duplicates: rollback and manual reconciliation.
See also
- n8n: self-host or cloud?Self-hosted is cheaper at volume and keeps data local. Cloud removes ops burden.
- Zapier or Make: which fits better?Zapier is straight-line; Make handles complex flows with routers and iterators for less money.
- Power Automate Cloud or Desktop: which to use?Cloud for SaaS integrations and triggers. Desktop for RPA against legacy Windows apps without APIs.
None of the above fits?
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