AI Chatbot with Gemini & Webhook

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": "My workflow",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes"
            }
          ]
        }
      },
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.3,
      "position": [
        0,
        0
      ],
      "id": "4d9bb515-c5f1-499f-83d1-6270c0141a93",
      "name": "Schedule Trigger"
    },
    {
      "parameters": {
        "url": "https://api.coinbase.com/v2/prices/BTC-USD/spot",
        "options": {}
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.4,
      "position": [
        256,
        0
      ],
      "id": "ef157e87-dc1c-4a2d-9379-fc3118d94904",
      "name": "HTTP Request"
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "={{ $json.data }}",
        "messages": {
          "messageValues": [
            {
              "type": "HumanMessagePromptTemplate",
              "message": "=what is the current price of the Bitcoin?  "
            }
          ]
        },
        "batching": {}
      },
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "typeVersion": 1.9,
      "position": [
        576,
        0
      ],
      "id": "58a24fcc-f776-46fa-8ba5-282cca6a8561",
      "name": "Basic LLM Chain"
    },
    {
      "parameters": {
        "modelName": "models/gemini-3.1-flash-lite",
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
      "typeVersion": 1.1,
      "position": [
        576,
        208
      ],
      "id": "411441f0-ce2d-4d03-b6c6-5f245f092255",
      "name": "Google Gemini Chat Model",
      "credentials": {
        "googlePalmApi": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "HTTP Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "HTTP Request": {
      "main": [
        [
          {
            "node": "Basic LLM Chain",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Google Gemini Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Basic LLM Chain",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1",
    "binaryMode": "separate"
  },
  "versionId": "edd67605-f270-4368-86d2-71e187f15e27",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "nodeGroups": [],
  "id": "zVSyvCiXAfdUvVpB",
  "tags": []
}

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.

• githubApi
• googlePalmApi

About this workflow

N8N. Uses lmChatGoogleGemini, httpRequest, agent, memoryBufferWindow. Webhook trigger; 10 nodes.

Source: https://github.com/nguyendangthinhit/CDIO_2/blob/c0f9695e8942fc2ad548d0350b96917a650e482b/n8n/n8n.json — original creator credit. Request a take-down →

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