AI Customer Service Chatbot

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "04 - KI Kundenservice Chat",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "customer-chat",
        "responseMode": "responseNode",
        "options": {}
      },
      "id": "webhook-trigger",
      "name": "Webhook - Chat-Nachricht",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "operation": "select",
        "schema": "public",
        "table": "chat_history",
        "where": "session_id = '{{ $json.sessionId }}' ORDER BY created_at DESC LIMIT 10",
        "options": {}
      },
      "id": "get-chat-history",
      "name": "Supabase - Chat-Verlauf laden",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 1,
      "position": [
        450,
        300
      ]
    },
    {
      "parameters": {
        "url": "https://api.opencode.ai/v1/chat/completions",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\n  \"model\": \"grok-code\",\n  \"messages\": [\n    {\n      \"role\": \"system\",\n      \"content\": \"Du bist der freundliche KI-Kundenservice-Assistent f\u00fcr Simone's Shop. Du hilfst Kunden bei Fragen zu Bestellungen, Produkten, Versand und R\u00fccksendungen. Antworte immer auf Deutsch, freundlich und professionell. Bei komplexen Problemen empfehle den Kontakt zum menschlichen Support. Bestellnummern beginnen mit ORD-.\"\n    },\n    {{ $node['Supabase - Chat-Verlauf laden'].json.map(m => JSON.stringify({role: m.role, content: m.content})).join(',') }},\n    {\n      \"role\": \"user\",\n      \"content\": \"{{ $json.message }}\"\n    }\n  ],\n  \"temperature\": 0.7,\n  \"max_tokens\": 500\n}",
        "options": {}
      },
      "id": "opencode-chat",
      "name": "OpenCode - KI Antwort",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        650,
        300
      ],
      "credentials": {
        "httpHeaderAuth": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "insert",
        "schema": "public",
        "table": "chat_history",
        "columns": "session_id, role, content, created_at",
        "additionalFields": {}
      },
      "id": "save-messages",
      "name": "Supabase - Nachrichten speichern",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 1,
      "position": [
        850,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "const response = $input.first().json;\nconst aiMessage = response.choices[0].message.content;\n\n// Pr\u00fcfen ob Eskalation n\u00f6tig\nconst escalationKeywords = ['beschwerde', 'anwalt', 'r\u00fcckerstattung', 'betrug', 'manager', 'mensch'];\nconst needsEscalation = escalationKeywords.some(kw => \n  $node['Webhook - Chat-Nachricht'].json.message.toLowerCase().includes(kw)\n);\n\nreturn {\n  json: {\n    response: aiMessage,\n    sessionId: $node['Webhook - Chat-Nachricht'].json.sessionId,\n    needsEscalation,\n    timestamp: new Date().toISOString()\n  }\n};"
      },
      "id": "process-response",
      "name": "Antwort verarbeiten",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1050,
        300
      ]
    },
    {
      "parameters": {
        "conditions": {
          "boolean": [
            {
              "value1": "={{ $json.needsEscalation }}",
              "value2": true
            }
          ]
        }
      },
      "id": "if-escalation",
      "name": "Eskalation n\u00f6tig?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [
        1250,
        300
      ]
    },
    {
      "parameters": {
        "url": "={{ $env.CLAWDBOT_WEBHOOK_URL }}/escalation",
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "sessionId",
              "value": "={{ $json.sessionId }}"
            },
            {
              "name": "channel",
              "value": "telegram"
            },
            {
              "name": "priority",
              "value": "high"
            }
          ]
        },
        "options": {}
      },
      "id": "escalate",
      "name": "ClawdBot - Eskalation",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        1450,
        200
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ JSON.stringify({ response: $json.response, sessionId: $json.sessionId, escalated: $json.needsEscalation }) }}"
      },
      "id": "respond",
      "name": "Antwort zur\u00fcckgeben",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        1650,
        300
      ]
    }
  ],
  "connections": {
    "Webhook - Chat-Nachricht": {
      "main": [
        [
          {
            "node": "Supabase - Chat-Verlauf laden",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Supabase - Chat-Verlauf laden": {
      "main": [
        [
          {
            "node": "OpenCode - KI Antwort",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenCode - KI Antwort": {
      "main": [
        [
          {
            "node": "Supabase - Nachrichten speichern",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Supabase - Nachrichten speichern": {
      "main": [
        [
          {
            "node": "Antwort verarbeiten",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Antwort verarbeiten": {
      "main": [
        [
          {
            "node": "Eskalation n\u00f6tig?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Eskalation n\u00f6tig?": {
      "main": [
        [
          {
            "node": "ClawdBot - Eskalation",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Antwort zur\u00fcckgeben",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "ClawdBot - Eskalation": {
      "main": [
        [
          {
            "node": "Antwort zur\u00fcckgeben",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "staticData": null,
  "tags": [
    "ai",
    "customer-service",
    "chat"
  ],
  "triggerCount": 0,
  "active": true
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• httpHeaderAuth

About this workflow

04 - KI Kundenservice Chat. Uses postgres, httpRequest, respondToWebhook. Webhook trigger; 8 nodes.

Source: https://github.com/Delqhi-Projects/opendocs/blob/69e53ca85cefb8b02fde4e6575f6b9499f3a0a42/n8n-workflows/04-ai-customer-chat.json — original creator credit. Request a take-down →

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