David Olusola This workflow corresponds to n8n.io template #5426 — we link there as the canonical source.
This workflow follows the Agent → Google Gemini Chat recipe pattern — see all workflows that pair these two integrations.
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 →
{
"id": "QNRmujxuRedJ4sCy",
"name": "Universal ai assistant",
"tags": [],
"nodes": [
{
"id": "a3a31971-a601-4a0a-a306-d5e63a7e33f5",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
920,
-40
],
"parameters": {
"text": "You are a helpful AI assistant designed to provide accurate, concise, and friendly responses to user queries. Your goal is to understand the user's needs and provide relevant information, guidance, or solutions. Always maintain a professional yet approachable tone. If you're unsure about something, acknowledge it honestly and suggest alternative approaches when possible.",
"options": {},
"promptType": "define"
},
"typeVersion": 1.8
},
{
"id": "921ac636-0297-4b7a-aeb1-6c68e9af6885",
"name": "Google Gemini Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"position": [
948,
180
],
"parameters": {
"options": {},
"modelName": "models/gemini-2.0-flash"
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "afcdf33e-bce6-4b80-bfee-f6707e307a03",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"position": [
700,
-40
],
"parameters": {
"path": "45cec96e-962d-4e27-ab75-34d25b837032",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "317a9c30-7651-47e1-b6aa-64ce4162aa16",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1296,
-40
],
"parameters": {
"options": {}
},
"typeVersion": 1.1
},
{
"id": "5f0d884e-3a75-49f9-babb-22fff9fb8a87",
"name": "Simple Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
1068,
180
],
"parameters": {
"sessionKey": "={{ $json.body.sessionId }}",
"sessionIdType": "customKey"
},
"typeVersion": 1.3
},
{
"id": "a5ff29b4-5a46-4716-bd3b-a29c40923e63",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
420,
-140
],
"parameters": {
"width": 280,
"height": 440,
"content": "## Webhook Entry Point\n\n**Receives requests from:**\n- Website chat widgets\n- Mobile apps\n- Third-party platforms\n- Custom integrations\n\n**Expected payload:**\n```json\n{\n \"message\": \"user question\",\n \"sessionId\": \"unique-session-id\"\n}\n```"
},
"typeVersion": 1
},
{
"id": "6799e102-74fe-49a3-8696-178143b5c7f7",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
760,
280
],
"parameters": {
"width": 220,
"height": 260,
"content": "## AI Processing Core\n\n**Powered by Google Gemini 2.0 Flash**\n- Fast response times\n- Context-aware conversations\n- Natural language understanding\n- Maintains conversation history per session"
},
"typeVersion": 1
},
{
"id": "e299b1f8-c6e7-4816-878d-60d3ff8edf14",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1180,
280
],
"parameters": {
"color": 5,
"width": 180,
"height": 340,
"content": "## Session Memory\n\n**Conversation Context:**\n- Remembers previous messages\n- Maintains context per sessionId\n- Enables natural follow-up questions\n- Auto-manages conversation history"
},
"typeVersion": 1
},
{
"id": "b926b0ea-11d6-4773-83bd-ce12c7be40c1",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1380,
-140
],
"parameters": {
"width": 160,
"height": 100,
"content": "## Response Output\n\n**Returns structured response:**\n- AI-generated answer\n- Consistent formatting\n- Ready for frontend display\n- JSON format compatible"
},
"typeVersion": 1
},
{
"id": "456572e3-0abf-408d-a5ab-36cb0e2d5911",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
720,
-400
],
"parameters": {
"color": 5,
"width": 300,
"height": 320,
"content": "## \ud83d\ude80 AI Assistant Workflow\n\n**This workflow creates a conversational AI assistant that can be integrated anywhere:**\n\n\u2705 Website chat widgets\n\u2705 Mobile applications \n\u2705 WhatsApp/Telegram bots\n\u2705 Custom dashboards\n\u2705 Third-party platforms\n\n**Simply send POST requests to the webhook URL with your message and sessionId!**"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "3453d230-0017-4f82-8942-346e34867c63",
"connections": {
"Webhook": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Google Gemini Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
}
}
}
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.
googlePalmApi
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About this workflow
Transform any platform into an intelligent conversational experience with this plug-and-play n8n workflow. This AI assistant can be seamlessly integrated into websites, mobile apps, or any system that supports webhook connections. Key Features:
Source: https://n8n.io/workflows/5426/ — original creator credit. Request a take-down →
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