Fixing the “Connection Failed” or “Unauthorized (401/403)” Error in n8n – A Step-by-Step SOP Guide
Ever hit a “Connection Failed” or “Unauthorized (401/403)” error while building your dream automation in n8n? You’re not alone – it’s one of the most common roadblocks users face while connecting APIs like Google Sheets, OpenAI, or Notion. But the good news? It’s also one of the easiest to fix once you understand the root…