n8n
Migrate Your n8n Notion Workflow to the v3 Node Data Source Model: A Step-by-Step Fix
Migrate n8n Notion workflows to the v3 node data source model: swap database IDs for data source IDs, fix every operation and the trigger, and test safely.
N8n
n8n
Fix n8n Wait Node Resume URL 401: Why the Signature Is Required and How to Pass It Through
Fix the n8n Wait node 401 on resume URLs: why the webhook-waiting signature is required, how to forward $execution.resumeUrl intact, and how to patch it.
n8n
How to Harden Self-Hosted n8n for Teams After the October 2026 Security Advisories
Harden a shared self-hosted n8n instance after the October 2026 advisories: patch to 2.44.1, scope credentials by project, and lock nodes, files, and API keys.
n8n
How to Enable n8n OpenTelemetry Tracing: Workflow Spans, Node Spans, and Slow-Node Debugging
Enable native n8n OpenTelemetry tracing: set two environment variables or use Settings > OpenTelemetry, send spans to Jaeger or Grafana, and find slow nodes.
n8n
Generate Images with n8n and Gemini Nano Banana
Build an n8n workflow that generates product and social images with Google Gemini Nano Banana 2.1, including cost math, retries, and Google Drive delivery.
n8n
How to Make n8n AI Agent Workflows Production Ready: A Reliability Checklist
Make an n8n AI agent production ready with guardrails for silent tool failures, timeout cascades, output drift, and runaway loops.
n8n
n8n Error Workflow Blind Spots: 4 Failures It Cannot Catch and How to Fix Them
Your n8n error workflow misses manual runs, Continue-marked successes, silent polling deaths, and its own failures. Here are the four blind spots and fixes.
n8n
n8n Publish Guardrails Tutorial: Stop Broken Workflows Before They Go Live
Use n8n 2.43.0 publish guardrails to block workflows with unconnected required inputs, enforce CLI policies, and fix a blocked publish before production breaks.
n8n
How to Migrate the n8n Perplexity Node to v3: Chat to Agent API Mapping
Sonar Chat retired on 2026-09-27. Migrate the n8n Perplexity node to the v3 Agent API: field mapping, preset equivalents, cost notes, and a rollback-safe plan.
n8n
n8n API Key Variable Scopes Tutorial: Least-Privilege Keys for Instance Variables
Give an n8n API key only the variable scopes it needs: create a scoped key, test variable list and create calls with curl, and fix 403 scope errors fast.