Idempotency in Workflow Automation: Why Retries Duplicate Your Side Effects
Why retries in n8n, Zapier and Make quietly double-charge customers and re-send emails, and what builders actually do about idempotency keys and dedup layers.
September 6, 2026
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Designing Workflow Automations That Survive Their Own Retries
Retries are how workflow engines handle failure, but without idempotency, outbox patterns, and state machine guardrails, they create silent duplicate side effects in production.
September 3, 2026
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