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n8n-error-handling

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Wire n8n error handling so failures are loud, structured, and recoverable. Use when building any webhook/API workflow, a scheduled or unattended workflow, or any path where a silent failure would drop user-visible work — and whenever the user mentions error handling, onError, continueErrorOutput, error branches/outputs, retries, retryOnFail, Respond to Webhook status codes, 4xx/5xx, Error Trigger, or "my workflow fails silently". Covers per-node error outputs and wiring, retry/self-healing, error-trigger workflows, and 4xx/5xx response shapes.

When to use

• webhook/API workflow error handling
• scheduled or unattended workflow error handling
• per-node error outputs and wiring
• retry/self-healing
• error-trigger workflows
• 4xx/5xx response shapes
• onError configuration
• continueErrorOutput setup

When not to use

• internal one-off workflows watched by the user

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