Monitor workflow errors via n8n API with Gemini analysis and Telegram alerts
Monitor n8n Workflow Errors with AI Diagnosis & Instant Telegram Alerts This n8n template automatically catches errors from any workflow on your instance, analyzes them with Google Gemini AI, and delivers a structured diagnostic report directly to your Telegram — including error classification, root cause analysis, and specific fix steps. If you manage multiple n8n workflows in production and want to stop manually debugging failures, this workflow is your always-on error watch. How it works Err
At a glance
Monitor workflow errors via n8n API with Gemini analysis and Telegram alerts is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects Slack, Discord, OpenAI, Telegram. It's free to download. Follow the 5-step import below to go live in minutes.
- Platform
- n8n
- Connects
- Slack, Discord, OpenAI, Telegram, LinkedIn, Facebook
- Modules
- 7
- Price
- Free
- Version
- v1.0

About this workflow
Monitor n8n Workflow Errors with AI Diagnosis & Instant Telegram Alerts This n8n template automatically catches errors from any workflow on your instance, analyzes them with Google Gemini AI, and delivers a structured diagnostic report directly to your Telegram — including error classification, root cause analysis, and specific fix steps. If you manage multiple n8n workflows in production and want to stop manually debugging failures, this workflow is your always-on error watch. How it works Error Trigger: Fires automatically whenever any workflow on the instance encounters a failure, capturing the full error context including the failed node name, error message, and stack trace. Set Context: Extracts all error data and holds your 3 configuration values. This is the only node you ever need to edit — making the workflow easy to adapt and redeploy. Get Workflow Content: Fetches the full workflow JSON definition via the n8n REST API, giving the AI meaningful context about what the failed workflow was actually trying to do. AI Agent (Gemini): Classifies the error type (Authentication, Rate Limit, Credential, Connection, etc.), identifies the root cause, and generates a Telegram HTML-formatted report with 2–3 actionable fix steps. Send Telegram Notification: Delivers the formatted report to your configured chat with proper HTML rendering — bold labels, code blocks for error messages, and a direct link to the failed execution. How to use 1. Connect credentials: Add your Google Gemini (googlePalmApi) credential to the Google Gemini Chat Model node, and your Telegram Bot credential to the Send Telegram Notification node. 2. Configure Set Context: Open the Set Context node and update n8ninstanceurl (your public n8n URL), n8napikey (from n8n → Settings → API), and telegramchatid. 3. Activate this workflow. 4. Link to other workflows: In each workflow you want to monitor, go to Settings → Error Workflow and select this workflow. Requirements n8n Version: Built and tested on n8n 2.9.4+. (It is highly recommended to update to the latest n8n version.) Google Gemini API key (googlePalmApi credential type). Telegram Bot token and a chat ID to receive notifications. n8n API key with read access to workflows (Settings → API → Create API Key). Your n8n instance must be accessible via a public URL for the API call. Customizing this workflow Different AI model: Swap the Google Gemini Chat Model sub-node for OpenAI, Anthropic, or any other LLM — no other changes needed. Different notification channel: Replace the Telegram node with Slack, Discord, or Zoho Mail to fit your team's tooling. Report language: Change the language instruction at the end of the AI Agent's system prompt from Vietnamese to English or any other language. Filter specific workflows: Add an If node after Error Trigger to only process errors from high-priority workflows based on workflow.name. --- About the Author Created by: Nguyễn Thiệu Toàn (Jay Nguyen) Email: me@nguyenthieutoan.com Website: nguyenthieutoan.com Company: GenStaff (genstaff.net) Socials (Facebook / X / LinkedIn): @nguyenthieutoan More templates: n8n.io/creators/nguyenthieutoan
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n → click the menu → Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
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