AI Tools
Fix n8n Slack Trigger 401: Add the Signing Secret for n8n 3.0
Fix the n8n Slack Trigger 401 by adding your Slack app signing secret to the n8n credential before the n8n 3.0 upgrade, then re-verify the webhook.
Webhook
n8n
How to Fix n8n Telegram Trigger Not Working: A 6-Step Diagnostic Checklist
Fix the n8n Telegram Trigger not firing: diagnose with getWebhookInfo, re-register the webhook, then check test URLs, privacy mode, and N8N_WEBHOOK_URL.
n8n
How to Fix n8n 'Webhook Not Registered' 404 Errors Behind a Reverse Proxy
Fix n8n's 404 'webhook is not registered' error: decode the message, set N8N_WEBHOOK_URL behind a reverse proxy, and fix Nginx headers and route-param paths.