metaads-pro/n8n-workflow.json

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{
"name": "Gerador de Imagens (GPT-Image-2)",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "generate-ad-image",
"responseMode": "lastNode",
"options": {}
},
"id": "webhook-node-1",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
250,
300
],
"webhookId": "ad-image-generator"
},
{
"parameters": {
"method": "POST",
"url": "https://api.openai.com/v1/images/generations",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer sk-proj-COLOQUE_SUA_CHAVE_AQUI"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={\n \"model\": \"gpt-image-2\",\n \"prompt\": \"{{ $json.body.prompt }}\",\n \"n\": 1,\n \"size\": \"{{ $json.body.dimensions || '1024x1024' }}\"\n}",
"options": {
"timeout": 120000
}
},
"id": "http-request-1",
"name": "OpenAI - Generate Image",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [
450,
300
]
},
{
"parameters": {
"jsCode": "const response = $input.first().json;\n\n// Pega a URL ou o Base64 gerado pela OpenAI\nlet imageUrl = response.data?.[0]?.url;\nif (!imageUrl && response.data?.[0]?.b64_json) {\n imageUrl = `data:image/png;base64,${response.data[0].b64_json}`;\n}\n\n// Devolve o JSON no formato que o Next.js espera\nreturn {\n url: imageUrl,\n revised_prompt: response.data?.[0]?.revised_prompt || \"\"\n};"
},
"id": "code-node-1",
"name": "Format Output",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
650,
300
]
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "OpenAI - Generate Image",
"type": "main",
"index": 0
}
]
]
},
"OpenAI - Generate Image": {
"main": [
[
{
"node": "Format Output",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {}
}