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 →
{
"name": "whats",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "webhook",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
0,
0
],
"id": "241e8880-f8b3-457c-9197-e3fd1ddb9c8c",
"name": "Webhook"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "b1d05353-cc22-4725-aef3-4c9274ffd909",
"name": "session",
"value": "={{ $json.body.session }}",
"type": "string"
},
{
"id": "3d90735c-c445-4451-aa8a-7b6824a6e13b",
"name": "chatId",
"value": "={{ $json.body.payload.from }}",
"type": "string"
},
{
"id": "9ef030a8-241a-49a2-bc38-63cd9193ae4e",
"name": "pushName",
"value": "={{ $json.body.payload._data.Info.PushName }}",
"type": "string"
},
{
"id": "5491c39e-d931-4f58-860a-5103429c7f1a",
"name": "paylod_id",
"value": "={{ $json.body.payload.id }}",
"type": "string"
},
{
"id": "4dfac49f-6655-4bb3-abdf-e59d9102f88a",
"name": "event",
"value": "={{ $json.body.event }}",
"type": "string"
},
{
"id": "55e8f807-34f5-4ae2-9807-feed9e5299f5",
"name": "message",
"value": "={{ $json.body }}",
"type": "string"
},
{
"id": "c2f4b3d2-e0a4-4938-9eb3-7c616f0c8907",
"name": "fromMe",
"value": "={{ $json.body.payload.fromMe }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
220,
0
],
"id": "cb7edc85-c493-4233-ab09-f823e139f623",
"name": "FiltrarDados"
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.event }}",
"rightValue": "message",
"operator": {
"type": "string",
"operation": "equals"
},
"id": "d9d3d991-974f-4c0e-a86b-d6ea42869a07"
}
],
"combinator": "and"
}
}
]
},
"options": {}
},
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
440,
0
],
"id": "37432a48-5d04-4684-ab45-c247323318d5",
"name": "Switch"
},
{
"parameters": {
"promptType": "define",
"text": "={{ $json.message }}",
"options": {
"systemMessage": "Voce \u00e9 um arquiteto de software com muita experi\u00eancia, e trabalha como consultor de TI, respondendo d\u00favidas sobre conceitos importantes de programa\u00e7\u00e3o, arquitetura de software, clould e devops. "
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 2,
"position": [
620,
0
],
"id": "79b3de6c-4688-41fe-868f-77ba7bb98db3",
"name": "AI Agent"
},
{
"parameters": {
"modelName": "models/gemini-2.0-flash",
"options": {
"temperature": 0.4
}
},
"type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
"typeVersion": 1,
"position": [
560,
320
],
"id": "cf2af3c3-5907-4b3f-97e5-3155cd697d7d",
"name": "Google Gemini Chat Model",
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sessionIdType": "customKey",
"sessionKey": "={{ $('FiltrarDados').item.json.chatId }}",
"sessionTTL": 3600,
"contextWindowLength": 10
},
"type": "@n8n/n8n-nodes-langchain.memoryRedisChat",
"typeVersion": 1.5,
"position": [
720,
320
],
"id": "46a4d691-518f-4101-b00c-f631b50c46db",
"name": "Redis Chat Memory",
"credentials": {
"redis": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"resource": "Chatting",
"operation": "Send Seen",
"session": "={{ $('FiltrarDados').item.json.session }}",
"chatId": "={{ $('FiltrarDados').item.json.chatId }}",
"messageId": "={{ $('FiltrarDados').item.json.paylod_id }}",
"requestOptions": {}
},
"type": "n8n-nodes-waha.WAHA",
"typeVersion": 202411,
"position": [
980,
0
],
"id": "3027c127-2caa-4f99-b430-9290576941f7",
"name": "WAHA",
"credentials": {
"wahaApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"resource": "Chatting",
"operation": "Send Text",
"session": "={{ $('FiltrarDados').item.json.session }}",
"chatId": "={{ $('FiltrarDados').item.json.chatId }}",
"text": "={{ $('AI Agent').item.json.output }}",
"requestOptions": {}
},
"type": "n8n-nodes-waha.WAHA",
"typeVersion": 202411,
"position": [
1200,
0
],
"id": "48a5ed56-6d57-486a-ac38-0d636a4516a1",
"name": "WAHA1",
"credentials": {
"wahaApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "FiltrarDados",
"type": "main",
"index": 0
}
]
]
},
"FiltrarDados": {
"main": [
[
{
"node": "Switch",
"type": "main",
"index": 0
}
]
]
},
"Switch": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Google Gemini Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Redis Chat Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "WAHA",
"type": "main",
"index": 0
}
]
]
},
"WAHA": {
"main": [
[
{
"node": "WAHA1",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "8fa8eccb-eada-4703-9f9c-9f38c10d8365",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "nGlIlquhqusIaxEJ",
"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.
googlePalmApirediswahaApi
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About this workflow
whats. Uses agent, lmChatGoogleGemini, memoryRedisChat, n8n-nodes-waha. Webhook trigger; 8 nodes.
Source: https://github.com/velkanknight/n8n-whats/blob/70003f4db6a42fd822432fea078495891197ea5d/workflows/whats.json — original creator credit. Request a take-down →
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