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": "FyoPGDh8r3pxcGxo",
"name": "New OpenAI Image Generation",
"tags": [
{
"id": "SGTGlhD84tHTcai7",
"name": "image gen",
"createdAt": "2025-04-07T09:41:10.936Z",
"updatedAt": "2025-04-07T09:41:10.936Z"
}
],
"nodes": [
{
"id": "6b5f9234-351f-4f6b-a0ab-f0d30897f60a",
"name": "Convert to File",
"type": "n8n-nodes-base.convertToFile",
"position": [
320,
400
],
"parameters": {
"options": {},
"operation": "toBinary",
"sourceProperty": "b64_json"
},
"typeVersion": 1.1
},
{
"id": "9c60f827-bf37-486b-9026-0cbe97fd83b6",
"name": "OpenAI - Generate Image",
"type": "n8n-nodes-base.httpRequest",
"position": [
-120,
400
],
"parameters": {
"url": "https://api.openai.com/v1/images/generations",
"method": "POST",
"options": {},
"jsonBody": "={\n \"model\": \"{{ $json.openai_image_model }}\",\n \"prompt\": \"{{ $json.image_prompt }}\",\n \"n\": {{ $json.number_of_images }},\n \"size\": \"{{ $json.size_of_image }}\",\n \"quality\": \"{{ $json.quality_of_image }}\"\n}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "predefinedCredentialType",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"nodeCredentialType": "openAiApi"
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "2dd04b96-5faf-48ec-a7b0-66a31866388d",
"name": "When clicking \u2018Test workflow\u2019",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-560,
400
],
"parameters": {},
"typeVersion": 1
},
{
"id": "629799c0-d2ff-4c5a-95d8-54d5afd3ac66",
"name": "Set Variables",
"type": "n8n-nodes-base.set",
"position": [
-340,
400
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "2a5d52c2-5af1-4796-acba-4e1807fc7d7b",
"name": "image_prompt",
"type": "string",
"value": "a 4-frame cartoon strip telling a joke\u00a0about\u00a0AI"
},
{
"id": "c41a8091-d952-4f5a-ae24-3b0691bbce57",
"name": "number_of_images",
"type": "number",
"value": 2
},
{
"id": "00feec5a-19c8-43af-bf93-e0729d1391f8",
"name": "quality_of_image",
"type": "string",
"value": "high"
},
{
"id": "1b359a11-c05a-49c8-aa27-402b145fcbc1",
"name": "size_of_image",
"type": "string",
"value": "1024x1024"
},
{
"id": "6cf4ba85-d11a-48bb-9eaf-4084c9538d87",
"name": "openai_image_model",
"type": "string",
"value": "=gpt-image-1"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "5f4e4bbe-7331-42dc-86a3-5d9de658ea07",
"name": "Separate Image Outputs",
"type": "n8n-nodes-base.splitOut",
"position": [
100,
400
],
"parameters": {
"options": {},
"fieldToSplitOut": "data"
},
"typeVersion": 1
},
{
"id": "0c0310a4-f354-4810-a967-ea002be09cc4",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-600,
580
],
"parameters": {
"width": 1140,
"height": 220,
"content": "## [CLICK HERE to Watch Video](https://youtu.be/YmDezgolqzU?si=BgMjRm55-T_CYAs7)\n\nOpenAI just dropped API access for their new image generation \u2014 and it changes everything. In this quick walkthrough, I show you exactly how to integrate it with n8n using an HTTP request node. Learn how to send prompts, convert base64 to binary, and automate image handling. This is a big one. Don\u2019t miss it.\n\n\ud83d\udd17 Official API Overview: https://openai.com/index/image-generation-api/\n\ud83d\udd17 API Reference \u2013 Create Image: https://platform.openai.com/docs/api-reference/images/create\n\n### *New: Make.com scenario here: https://drive.google.com/file/d/1Uz-mA0LnUZ_tnUWBR2AAlVxs3LBlGKfk/view?usp=sharing\n"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "c7fef832-b7ba-4cb1-ad36-7a82f81a7f90",
"connections": {
"Set Variables": {
"main": [
[
{
"node": "OpenAI - Generate Image",
"type": "main",
"index": 0
}
]
]
},
"Separate Image Outputs": {
"main": [
[
{
"node": "Convert to File",
"type": "main",
"index": 0
}
]
]
},
"OpenAI - Generate Image": {
"main": [
[
{
"node": "Separate Image Outputs",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Test workflow\u2019": {
"main": [
[
{
"node": "Set Variables",
"type": "main",
"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.
openAiApi
About this workflow
New OpenAI Image Generation. Uses convertToFile, httpRequest, manualTrigger, splitOut. Event-driven trigger; 6 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →