7 n8n Workflow Patterns Every Automation Developer Should Know

After building 50+ automation systems with n8n, I've identified recurring workflow patterns that solve common business problems. Here are 7 patterns I use in almost every project. 1. The Webhook → Validate → Route Pattern The most fundamental pattern. An external event triggers a webhook, you validate the payload, then route to different branches based on content. Webhook → IF (has required fields?) → YES: Switch (by event type) → Handle each type → NO: Error Workflow → Alert via Slack/WhatsApp Real use case: A WhatsApp bot receives messages. The webhook validates the payload structure, then routes: text messages go to AI classification, media goes to storage, location shares go to the CRM. Pro tip: Always validate webhook payloads before processing. External services send malformed data more often than you'd think. 2. The Batch Processing Pattern When you need to process hundreds or thousands of items without hitting API rate limits. Trigger → Get Items (from DB/Sheet) → SplitInBatche