This workflow follows the Agent → HTTP Request 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": "Asistente Personal WhatsApp",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "chatwoot-webhook",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-1200,
0
],
"id": "webhook-chatwoot",
"name": "Chatwoot Webhook"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": false,
"typeValidation": "loose",
"version": 3
},
"conditions": [
{
"id": "only-incoming",
"leftValue": "={{ $json.body.message_type }}",
"rightValue": "incoming",
"operator": {
"type": "string",
"operation": "equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
-960,
0
],
"id": "filter-incoming",
"name": "Solo mensajes entrantes"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "conv-id",
"name": "conversation_id",
"value": "={{ $json.body.conversation.id }}",
"type": "string"
},
{
"id": "contact-name",
"name": "contact_name",
"value": "={{ $json.body.meta?.sender?.name || 'Desconocido' }}",
"type": "string"
},
{
"id": "contact-phone",
"name": "contact_phone",
"value": "={{ $json.body.meta?.sender?.phone_number || '' }}",
"type": "string"
},
{
"id": "mensaje",
"name": "mensaje",
"value": "={{ $json.body.content }}",
"type": "string"
},
{
"id": "fecha",
"name": "fecha",
"value": "={{ $now.toISO() }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-720,
0
],
"id": "extract-fields",
"name": "Extraer campos"
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO mensajes (conversation_id, contact_name, contact_phone, mensaje, direccion) VALUES ('{{ $json.conversation_id }}', '{{ $json.contact_name }}', '{{ $json.contact_phone }}', '{{ $json.mensaje.replace(/'/g, \"''\") }}', 'entrante') RETURNING id;"
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
-480,
0
],
"id": "save-message",
"name": "Guardar mensaje",
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT m.conversation_id, m.contact_name, m.contact_phone, m.mensaje, m.fecha FROM mensajes m WHERE m.conversation_id = '{{ $('Extraer campos').item.json.conversation_id }}' ORDER BY m.fecha DESC LIMIT 10;"
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
-240,
0
],
"id": "get-history",
"name": "Obtener historial",
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT id, contact_name, contact_phone, tipo, descripcion, fecha_vencimiento, prioridad FROM tareas WHERE estado = 'pendiente' ORDER BY fecha_vencimiento ASC LIMIT 5;"
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
-240,
200
],
"id": "get-pending-tasks",
"name": "Tareas pendientes",
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "=Sos mi asistente personal. Analiz\u00e1 este mensaje de WhatsApp y el contexto, y decid\u00ed qu\u00e9 acciones tomar.\n\n**Mensaje nuevo de {{ $('Extraer campos').item.json.contact_name }} ({{ $('Extraer campos').item.json.contact_phone }}):**\n{{ $('Extraer campos').item.json.mensaje }}\n\n**Historial reciente de esta conversaci\u00f3n:**\n{{ $('Obtener historial').all().map(m => m.json.fecha + ' - ' + m.json.mensaje).join('\\n') }}\n\n**Mis tareas pendientes actuales:**\n{{ $('Tareas pendientes').all().map(t => t.json.tipo + ': ' + t.json.descripcion + ' (' + t.json.contact_name + ') - Vence: ' + t.json.fecha_vencimiento).join('\\n') }}\n\nFecha y hora actual: {{ $now.format('dd/MM/yyyy HH:mm') }}\n",
"hasOutputParser": true,
"options": {
"maxIterations": 5,
"systemMessage": "Sos el asistente personal de Hern\u00e1n. Tu trabajo es analizar mensajes de WhatsApp y ayudarlo a organizarse. Cuando alguien le pide algo, agenda una reuni\u00f3n, o hay un seguimiento pendiente, cre\u00e1 una tarea. Si el mensaje es solo informativo, igual resum\u00ed qu\u00e9 pas\u00f3. Siempre respond\u00e9 en espa\u00f1ol rioplatense, de forma concisa y \u00fatil."
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 3.1,
"position": [
80,
0
],
"id": "ai-agent",
"name": "AI Agent"
},
{
"parameters": {
"model": "llama-3.3-70b-versatile",
"options": {
"maxTokensToSample": 2048,
"temperature": 0
}
},
"type": "@n8n/n8n-nodes-langchain.lmChatGroq",
"typeVersion": 1,
"position": [
-80,
240
],
"id": "groq-model",
"name": "Groq Chat Model",
"credentials": {
"groqApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"schemaType": "manual",
"inputSchema": "{\n \"type\": \"object\",\n \"properties\": {\n \"resumen\": {\n \"type\": \"string\",\n \"description\": \"Resumen breve de qu\u00e9 trata el mensaje y qu\u00e9 hay que hacer.\"\n },\n \"aviso_whatsapp\": {\n \"type\": \"string\",\n \"description\": \"Mensaje corto para enviarte a vos por WhatsApp avis\u00e1ndote de este mensaje. Inclu\u00ed el nombre del contacto y qu\u00e9 pide o dice. Si no requiere acci\u00f3n urgente, dejar vac\u00edo.\"\n },\n \"crear_tarea\": {\n \"type\": \"boolean\",\n \"description\": \"true si hay que crear una tarea de seguimiento, llamado o reuni\u00f3n.\"\n },\n \"tarea_tipo\": {\n \"type\": \"string\",\n \"enum\": [\"llamado\", \"seguimiento\", \"reunion\", \"recordatorio\", \"otro\"],\n \"description\": \"Tipo de tarea a crear. Solo si crear_tarea es true.\"\n },\n \"tarea_descripcion\": {\n \"type\": \"string\",\n \"description\": \"Descripci\u00f3n clara de qu\u00e9 hay que hacer. Solo si crear_tarea es true.\"\n },\n \"tarea_fecha_vencimiento\": {\n \"type\": \"string\",\n \"description\": \"Fecha sugerida para hacer la tarea en formato YYYY-MM-DD. Solo si crear_tarea es true.\"\n },\n \"tarea_prioridad\": {\n \"type\": \"string\",\n \"enum\": [\"alta\", \"media\", \"baja\"],\n \"description\": \"Prioridad de la tarea. Solo si crear_tarea es true.\"\n }\n },\n \"required\": [\"resumen\", \"crear_tarea\"]\n}"
},
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"typeVersion": 1.3,
"position": [
80,
240
],
"id": "output-parser",
"name": "Output Parser"
},
{
"parameters": {
"conditions": {
"options": {
"typeValidation": "loose",
"version": 3
},
"conditions": [
{
"id": "has-task",
"leftValue": "={{ $json.output.crear_tarea }}",
"rightValue": true,
"operator": {
"type": "boolean",
"operation": "true"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
400,
0
],
"id": "check-task",
"name": "\u00bfCrear tarea?"
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO tareas (conversation_id, contact_name, contact_phone, tipo, descripcion, fecha_vencimiento, prioridad) VALUES ('{{ $('Extraer campos').item.json.conversation_id }}', '{{ $('Extraer campos').item.json.contact_name }}', '{{ $('Extraer campos').item.json.contact_phone }}', '{{ $json.output.tarea_tipo }}', '{{ $json.output.tarea_descripcion.replace(/'/g, \"''\") }}', '{{ $json.output.tarea_fecha_vencimiento }}', '{{ $json.output.tarea_prioridad }}') RETURNING id;"
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
640,
-100
],
"id": "create-task",
"name": "Crear tarea en PostgreSQL",
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"typeValidation": "loose",
"version": 3
},
"conditions": [
{
"id": "has-aviso",
"leftValue": "={{ $('AI Agent').item.json.output.aviso_whatsapp }}",
"rightValue": "",
"operator": {
"type": "string",
"operation": "notEquals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
640,
200
],
"id": "check-aviso",
"name": "\u00bfHay aviso?"
},
{
"parameters": {
"method": "POST",
"url": "=http://TU_CHATWOOT_URL/api/v1/accounts/TU_ACCOUNT_ID/conversations/TU_CONVERSATION_ID_PERSONAL/messages",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "content",
"value": "={{ $('AI Agent').item.json.output.aviso_whatsapp }}"
},
{
"name": "message_type",
"value": "outgoing"
},
{
"name": "private",
"value": "false"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
880,
200
],
"id": "send-whatsapp",
"name": "Enviar aviso por WhatsApp"
},
{
"parameters": {
"rule": {
"interval": [
{
"field": "hours",
"hoursInterval": 1,
"triggerAtHour": 9
}
]
}
},
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
-1200,
600
],
"id": "daily-trigger",
"name": "Resumen diario 9AM"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT id, contact_name, contact_phone, tipo, descripcion, fecha_vencimiento, prioridad FROM tareas WHERE estado = 'pendiente' AND fecha_vencimiento <= CURRENT_DATE + INTERVAL '2 days' ORDER BY prioridad DESC, fecha_vencimiento ASC;"
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.5,
"position": [
-960,
600
],
"id": "get-due-tasks",
"name": "Tareas por vencer",
"credentials": {
"postgres": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"typeValidation": "loose",
"version": 3
},
"conditions": [
{
"id": "has-tasks",
"leftValue": "={{ $json.length }}",
"rightValue": 0,
"operator": {
"type": "number",
"operation": "gt"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
-720,
600
],
"id": "check-due",
"name": "\u00bfHay tareas?"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "resumen-tareas",
"name": "resumen",
"value": "=\ud83d\udccb *Tareas pendientes para hoy:*\n\n{{ $('Tareas por vencer').all().map((t, i) => (i+1) + '. ' + t.json.tipo.toUpperCase() + ' - ' + t.json.contact_name + '\\n ' + t.json.descripcion + '\\n \ud83d\udcc5 Vence: ' + t.json.fecha_vencimiento + ' | Prioridad: ' + t.json.prioridad).join('\\n\\n') }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-480,
600
],
"id": "build-summary",
"name": "Armar resumen"
},
{
"parameters": {
"method": "POST",
"url": "=http://TU_CHATWOOT_URL/api/v1/accounts/TU_ACCOUNT_ID/conversations/TU_CONVERSATION_ID_PERSONAL/messages",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "content",
"value": "={{ $json.resumen }}"
},
{
"name": "message_type",
"value": "outgoing"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
-240,
600
],
"id": "send-daily-summary",
"name": "Enviar resumen diario"
}
],
"connections": {
"Chatwoot Webhook": {
"main": [
[
{
"node": "Solo mensajes entrantes",
"type": "main",
"index": 0
}
]
]
},
"Solo mensajes entrantes": {
"main": [
[
{
"node": "Extraer campos",
"type": "main",
"index": 0
}
],
[]
]
},
"Extraer campos": {
"main": [
[
{
"node": "Guardar mensaje",
"type": "main",
"index": 0
}
]
]
},
"Guardar mensaje": {
"main": [
[
{
"node": "Obtener historial",
"type": "main",
"index": 0
},
{
"node": "Tareas pendientes",
"type": "main",
"index": 0
}
]
]
},
"Obtener historial": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Tareas pendientes": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "\u00bfCrear tarea?",
"type": "main",
"index": 0
}
]
]
},
"Groq Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Output Parser": {
"ai_outputParser": [
[
{
"node": "AI Agent",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"\u00bfCrear tarea?": {
"main": [
[
{
"node": "Crear tarea en PostgreSQL",
"type": "main",
"index": 0
}
],
[
{
"node": "\u00bfHay aviso?",
"type": "main",
"index": 0
}
]
]
},
"Crear tarea en PostgreSQL": {
"main": [
[
{
"node": "\u00bfHay aviso?",
"type": "main",
"index": 0
}
]
]
},
"\u00bfHay aviso?": {
"main": [
[
{
"node": "Enviar aviso por WhatsApp",
"type": "main",
"index": 0
}
],
[]
]
},
"Resumen diario 9AM": {
"main": [
[
{
"node": "Tareas por vencer",
"type": "main",
"index": 0
}
]
]
},
"Tareas por vencer": {
"main": [
[
{
"node": "\u00bfHay tareas?",
"type": "main",
"index": 0
}
]
]
},
"\u00bfHay tareas?": {
"main": [
[
{
"node": "Armar resumen",
"type": "main",
"index": 0
}
],
[]
]
},
"Armar resumen": {
"main": [
[
{
"node": "Enviar resumen diario",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"meta": {
"templateCredsSetupCompleted": false
},
"id": "asistente-personal-001",
"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.
groqApipostgres
Pro
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About this workflow
Asistente Personal WhatsApp. Uses postgres, agent, lmChatGroq, outputParserStructured. Webhook trigger; 18 nodes.
Source: https://github.com/hernan527/aria/blob/6f1904b2695a4a12ecdf677d63ae7d7ff036565a/flows/workflow_asistente_personal.json — original creator credit. Request a take-down →
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