Kund:innen-Support- und Lead-Generierungs-Chatbot mit RAG, GPT-4o und Telegram

• •Telegram Bot Token
• •Google Sheets API-Anmeldedaten
• •OpenAI API Key
• •Pinecone API Key

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  "meta": {
    "instanceId": "a244e08ca65e768d1cee097a486ef066f1968b077e055f21a34efe4e78c40e76",
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  "name": "Customer Support & Lead Collection Chatbot with RAG, GPT-4o & Telegram",
  "tags": [
    {
      "id": "AOZlNztgqiOQKd6j",
      "name": "n8n Creators",
      "createdAt": "2025-09-28T11:02:15.227Z",
      "updatedAt": "2025-09-28T11:02:15.227Z"
    }
  ],
  "nodes": [
    {
      "id": "0cd4236d-fa91-405f-bbd9-a816098202f5",
      "name": "Bei Empfang einer Chat-Nachricht",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
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      "webhookId": "73cc5ea3-7518-488b-955e-df5e78ee12b3",
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      "parameters": {
        "options": {
          "systemMessage": "=## Role:\nYou are a friendly assistant for a company named **[INSERT_YOUR_COMPANY_NAME_HERE]**.\n\n## Task:\nYou answer questions about the business.\n\n## Details:\nYou have access to various tools, which you use correctly.\n\n## Tools:\n- **Company Q&A**  \n  Use this tool to answer questions with knowledge about the company.\n\n- **Google Sheets Agentic Tool**  \n  Use this tool to store contact information such as name, email, interested in and phone number.\n\n- **Telegram Agentic Tool**\n  Use this tool to send a notification with the user's contact information and a summary of the conversation.\n\nAfter a customer asks about opening hours, products, location, or business information, ask them for their name, email, specific interests and phone number."
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      "name": "Unternehmens-F&A",
      "type": "@n8n/n8n-nodes-langchain.toolVectorStore",
      "position": [
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      "parameters": {
        "description": "Gives answers related to the company."
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    {
      "id": "ab524ffa-cce1-4dee-938e-fbdee31b353c",
      "name": "Pinecone Vektorspeicher (Unternehmens-Wissensdatenbank)",
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      "position": [
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          "pineconeNamespace": "Q&A"
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      "credentials": {
        "pineconeApi": {
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          "name": "PineconeApi account"
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    {
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      "name": "Einbettungen generieren (OpenAI)",
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      "parameters": {
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        "openAiApi": {
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          "name": "OpenAi account"
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    {
      "id": "98dcb3ff-693a-47d3-9031-502dfe49becf",
      "name": "Trigger – Veröffentlichungsanleitung",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      ],
      "parameters": {
        "width": 256,
        "height": 304,
        "content": "## Trigger\n\nYou can switch to Publicly Available to be able to share this chatbot interface with a link. \n"
      },
      "typeVersion": 1
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    {
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      "name": "KI-Agent – Flow",
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      "parameters": {
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        "content": "## AI Agent\n\nPowered with OpenAI API (GPT-4o) -- you can replace it with your favourite LLM.\n\nThe agent, after providing information requested by the user, asks for contact information and stores it in Google Sheets. \n\nThen sends a notification to Telegram with the contact information and a summary of the conversation.\n\n"
      },
      "typeVersion": 1
    },
    {
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      "name": "RAG-Datenbank – Einrichtung",
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      "parameters": {
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        "content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## RAG Database\n\nConnect a Pinecone RAG database with knowledge about your company. An OpenAI text-embedding-3-small model handles data retrieval.\n"
      },
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    },
    {
      "id": "f9e798e4-771f-47f6-8fc6-87379e5c388c",
      "name": "Lead an Telegram senden",
      "type": "n8n-nodes-base.telegramTool",
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      "webhookId": "3d40f03b-9560-4c2a-b64d-bca5736f148b",
      "parameters": {
        "text": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Text', ``, 'string') }}",
        "chatId": "[INSERT_YOUR_CHAT_ID]",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "xV3Qf8JA7DE2hn9V",
          "name": "Telegram test"
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    {
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      "name": "Lead in Google Tabellen speichern",
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      "parameters": {
        "columns": {
          "value": {
            "Name": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Name', ``, 'string') }}",
            "Email": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Email', ``, 'string') }}",
            "Phone": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Phone', ``, 'string') }}",
            "Interested in": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Interested_in', ``, 'string') }}"
          },
          "schema": [
            {
              "id": "Name",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Name",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "Phone",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Phone",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "Email",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Email",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "Interested in",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Interested in",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
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          "mappingMode": "defineBelow",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
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        "operation": "append",
        "sheetName": {
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          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1ccKn1a35BDW3Vqe6cCjoiWlDTl5XIY48PUFYUREVZeM/edit#gid=0",
          "cachedResultName": "Sheet1"
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          "mode": "list",
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          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1ccKn1a35BDW3Vqe6cCjoiWlDTl5XIY48PUFYUREVZeM/edit?usp=drivesdk",
          "cachedResultName": "NovaCore Solutions Leads"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "3CWHe6cifmQtahz8",
          "name": "SmartCamp.AI Google Sheets"
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      "name": "Unternehmens-Antwortmodell",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
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      "parameters": {
        "model": {
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          "mode": "list",
          "value": "gpt-4o",
          "cachedResultName": "gpt-4o"
        },
        "options": {}
      },
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      "name": "Haupt-Chat-Modell",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
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      "name": "Vorlagenleitfaden",
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        "content": "## Template Guide (Overview, Prerequisites & Customization)\n\n**What it does:** This workflow delivers a production-ready customer support and lead collection chatbot.\nIt answers company questions using Retrieval-Augmented Generation (RAG) and then captures lead details\n(name, email, phone, interest) to Google Sheets, while instantly notifying your team on Telegram with a\nshort summary of the conversation.\n\n**Target audience:** SMBs, startups, agencies and internal teams that want a 24/7 assistant which reduces\nrepetitive Q&A, improves response time and centralizes leads for follow-up.\n\n**How it works (high level):**\n1) A visitor sends a message to the chat interface (Trigger).\n2) The **Main Chat Model (GPT‑4o)** manages the conversation and tool usage.\n3) For company facts, the agent calls **Company Q&A**, which performs RAG over your **Pinecone Vector Store**.\n4) After answering, the agent politely asks for **Name / Email / Phone / Interested in**.\n5) The lead is appended to **Google Sheets** and your team receives a Telegram notification.\n6) **Conversation Memory** keeps short-term context for a smoother chat experience.\n\n**Prerequisites:**\n- OpenAI API key (GPT‑4o + text-embedding-3‑small for retrieval)\n- Pinecone project/index with your company knowledge (FAQs, docs, pricing, policies)\n- Google account with a Sheet for storing leads (columns: Name, Email, Phone, Interested in)\n- Telegram Bot Token and chat/group ID for notifications\n\n**Customization:**\n- Replace `[INSERT_YOUR_COMPANY_NAME_HERE]` in the Agent’s system message.\n- Point the Pinecone node to your index/namespace.\n- Update the Google Sheets node to your Sheet ID and tab.\n- Set your Telegram `chatId`.\n- Adjust the **context window** and **prompt tone** to match your brand.\n\n**Notes & tips:**\n- Keep your knowledge base concise and up to date to improve RAG accuracy.\n- Use validation in Sheets (optional) to ensure clean lead data.\n- Consider adding duplicate checks, CRM sync, or email follow-ups as next steps."
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      "typeVersion": 1
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  "pinData": {},
  "settings": {
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