This workflow follows the Chat Trigger → Gmail 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 →
{
"active": false,
"connections": {
"Schedule Trigger": {
"main": [
[
{
"node": "Buscar \u00daltimos Posts",
"type": "main",
"index": 0
}
]
]
},
"Buscar \u00daltimos Posts": {
"main": [
[
{
"node": "Analisar Posts",
"type": "main",
"index": 0
}
]
]
},
"Gerar Imagem": {
"main": [
[
{
"node": "Baixar Imagem",
"type": "main",
"index": 0
}
]
]
},
"Baixar Imagem": {
"main": [
[
{
"node": "Preparar Dados do Post",
"type": "main",
"index": 0
}
]
]
},
"Preparar Dados do Post": {
"main": [
[
{
"node": "Validar Conte\u00fado",
"type": "main",
"index": 0
}
]
]
},
"Validar Conte\u00fado": {
"main": [
[
{
"node": "Criar Media Instagram",
"type": "main",
"index": 0
}
],
[
{
"node": "Enviar Email Erro",
"type": "main",
"index": 0
}
]
]
},
"Criar Media Instagram": {
"main": [
[
{
"node": "Publicar Post Instagram",
"type": "main",
"index": 0
}
]
]
},
"Publicar Post Instagram": {
"main": [
[
{
"node": "Salvar Log do Post",
"type": "main",
"index": 0
}
]
]
},
"Salvar Log do Post": {
"main": [
[
{
"node": "Enviar Email Sucesso",
"type": "main",
"index": 0
}
]
]
},
"Enviar Email Erro": {
"main": [
[
{
"node": "Salvar Log Erro",
"type": "main",
"index": 0
}
]
]
},
"When chat message received": {
"main": [
[
{
"node": "Buscar \u00daltimos Posts",
"type": "main",
"index": 0
}
]
]
}
},
"createdAt": "2025-06-26T06:21:07.312Z",
"id": "7GwhSMNO2lfcfqXD",
"isArchived": false,
"meta": null,
"name": "My workflow 31",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "minutes"
}
]
}
},
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
-780,
-160
],
"id": "272f8ca1-bc0c-4916-b7c0-b266d29c767d",
"name": "Schedule Trigger"
},
{
"parameters": {
"url": "https://graph.instagram.com/me/media",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "instagramBasicDisplayApi",
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "fields",
"value": "id,caption,media_type,media_url,timestamp,like_count,comments_count"
},
{
"name": "limit",
"value": "3"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
-520,
20
],
"id": "66383f27-97f4-4c0f-9996-80121a6ad9ca",
"name": "Buscar \u00daltimos Posts"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "post-analysis",
"name": "postsAnalysis",
"value": "={{ $json.data.map(post => ({\n caption: post.caption || '',\n media_type: post.media_type,\n timestamp: post.timestamp,\n engagement: (post.like_count + post.comments_count),\n hashtags: (post.caption || '').match(/#\\w+/g) || []\n})) }}",
"type": "array"
},
{
"id": "current-date",
"name": "currentDate",
"value": "={{ $now.format('YYYY-MM-DD') }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-320,
20
],
"id": "16c07e07-9cf2-48c2-9250-966ba80201ea",
"name": "Analisar Posts"
},
{
"parameters": {},
"type": "n8n-nodes-base.openAi",
"typeVersion": 1.3,
"position": [
-420,
-280
],
"id": "1f37cb43-d065-4258-9850-5b18ec9ed085",
"name": "Gerar Conte\u00fado",
"credentials": {}
},
{
"parameters": {
"method": "POST",
"url": "https://api.openai.com/v1/images/generations",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "openAiApi",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "prompt",
"value": "Crie uma imagem moderna e atrativa para Instagram baseada no seguinte conte\u00fado: {{ $('Gerar Conte\u00fado').item.json.message.content }}"
},
{
"name": "n",
"value": "1"
},
{
"name": "size",
"value": "1024x1024"
},
{
"name": "quality",
"value": "standard"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
0,
0
],
"id": "67b0f9d8-6f0c-45fe-acd5-b239b4b86371",
"name": "Gerar Imagem",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"url": "={{ $json.data[0].url }}",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
}
}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
200,
0
],
"id": "f000d244-5128-46d3-868a-b8de89b55749",
"name": "Baixar Imagem"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "post-content",
"name": "postContent",
"value": "={{ $('Gerar Conte\u00fado').item.json.message.content }}",
"type": "string"
},
{
"id": "image-binary",
"name": "imageBinary",
"value": "={{ $('Baixar Imagem').item.binary }}",
"type": "object"
},
{
"id": "scheduled-time",
"name": "scheduledTime",
"value": "={{ $now.plus({hours: 2}).toISO() }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
400,
100
],
"id": "b3aa048e-747d-4211-a0cc-03e894d99f81",
"name": "Preparar Dados do Post"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": false
},
"conditions": [
{
"id": "content-ready",
"leftValue": "={{ $json.postContent }}",
"rightValue": "",
"operator": {
"type": "string",
"operation": "isNotEmpty"
}
},
{
"id": "image-ready",
"leftValue": "={{ Object.keys($json.imageBinary || {}).length }}",
"rightValue": "0",
"operator": {
"type": "number",
"operation": "gt"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
600,
100
],
"id": "3c392855-afc7-4063-8c10-790aa1ac4819",
"name": "Validar Conte\u00fado"
},
{
"parameters": {
"method": "POST",
"url": "https://graph.facebook.com/v18.0/{{ $vars.instagram_account_id }}/media",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "facebookGraphApi",
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "image_url",
"value": "{{ $('Gerar Imagem').item.json.data[0].url }}"
},
{
"name": "caption",
"value": "={{ $('Preparar Dados do Post').item.json.postContent }}"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
800,
0
],
"id": "a5ac45c5-bc13-4d53-b046-4306737ce89b",
"name": "Criar Media Instagram"
},
{
"parameters": {
"method": "POST",
"url": "https://graph.facebook.com/v18.0/{{ $vars.instagram_account_id }}/media_publish",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "facebookGraphApi",
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "creation_id",
"value": "={{ $json.id }}"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1000,
0
],
"id": "27ae34b3-05d2-4996-b05f-a602bcc20070",
"name": "Publicar Post Instagram"
},
{
"parameters": {
"operation": "insert"
},
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
1200,
0
],
"id": "6d6e0d56-50d5-4af6-a7fe-4a9ead47d9ab",
"name": "Salvar Log do Post"
},
{
"parameters": {
"sendTo": "{{ $vars.admin_email }}",
"subject": "\u2705 Post Instagram Publicado com Sucesso",
"message": "=<h2>Post publicado com sucesso! \ud83c\udf89</h2>\n<p><strong>Conte\u00fado:</strong></p>\n<blockquote>{{ $('Preparar Dados do Post').item.json.postContent }}</blockquote>\n<p><strong>Post ID:</strong> {{ $('Publicar Post Instagram').item.json.id }}</p>\n<p><strong>Data:</strong> {{ $now.format('DD/MM/YYYY HH:mm') }}</p>\n<p>Acesse o Instagram para ver o post publicado.</p>",
"options": {
"senderName": "Automa\u00e7\u00e3o Instagram"
}
},
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
1400,
0
],
"id": "3b3c370b-7efb-4387-9452-2b0f648fdef8",
"name": "Enviar Email Sucesso"
},
{
"parameters": {
"sendTo": "{{ $vars.admin_email }}",
"subject": "\u274c Erro na Publica\u00e7\u00e3o Instagram",
"message": "=<h2>Erro ao publicar post no Instagram \u26a0\ufe0f</h2>\n<p><strong>Conte\u00fado gerado:</strong></p>\n<blockquote>{{ $('Preparar Dados do Post').item.json.postContent || 'Conte\u00fado n\u00e3o gerado' }}</blockquote>\n<p><strong>Erro:</strong> Falha na valida\u00e7\u00e3o do conte\u00fado</p>\n<p><strong>Data:</strong> {{ $now.format('DD/MM/YYYY HH:mm') }}</p>\n<p>Verifique as configura\u00e7\u00f5es da automa\u00e7\u00e3o.</p>",
"options": {
"senderName": "Automa\u00e7\u00e3o Instagram"
}
},
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.1,
"position": [
1000,
200
],
"id": "4f76bf74-9b32-4c3a-bf84-cca9b9006dc7",
"name": "Enviar Email Erro"
},
{
"parameters": {
"operation": "insert"
},
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
1200,
200
],
"id": "7bdee6c3-7487-4ab8-8546-ad896a3a40df",
"name": "Salvar Log Erro"
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.chatTrigger",
"typeVersion": 1.1,
"position": [
-760,
20
],
"id": "73a68ca4-e252-423f-9714-3cde0930ecae",
"name": "When chat message received"
}
],
"repo_name": "backup-n8n",
"repo_owner": "faelsou",
"repo_path": "backups/",
"settings": {
"executionOrder": "v1"
},
"staticData": null,
"tags": [],
"triggerCount": 0,
"updatedAt": "2025-06-28T06:25:33.045Z",
"versionId": "1a375818-4cc3-4cf7-b3c3-f073a2a4bb0c"
}
Credentials you'll need
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openAiApi
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About this workflow
My workflow 31. Uses httpRequest, openAi, supabase, gmail. Scheduled trigger; 15 nodes.
Source: https://github.com/faelsou/backup-n8n/blob/1a12f60c21e60788cc887b5daca515ad72ca62a4/2025/06/7GwhSMNO2lfcfqXD.json — original creator credit. Request a take-down →
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