This workflow follows the HTTP Request → OpenAI 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 →
{
"nodes": [
{
"parameters": {
"mode": "everyTime",
"interval": "5"
},
"name": "Manual Trigger / Schedule",
"type": "n8n-nodes-base.trigger",
"typeVersion": 1,
"uuid": "start"
},
{
"parameters": {
"content": "Generate a short video about a futuristic city."
},
"name": "Set Video Prompt",
"type": "n8n-nodes-base.set",
"typeVersion": 1,
"uuid": "setPrompt",
"coordinates": [
400,
150
]
},
{
"parameters": {
"model": "gpt-4o",
"temperature": 0.7,
"maxTokens": 500,
"messages": [
{
"role": "system",
"content": "You are a creative video script writer. Generate a script for a short video based on the user's prompt, suitable for TikTok/Instagram Reels. Include visual cues and a clear narrative. Keep it concise."
},
{
"role": "user",
"content": "Generate a script for: {{ $json.content }}"
}
]
},
"name": "Generate Video Script (OpenAI)",
"type": "n8n-nodes-base.openAi",
"typeVersion": 1,
"uuid": "generateScript",
"coordinates": [
650,
150
]
},
{
"parameters": {
"url": "https://api.heygen.com/v1/video/generate",
"method": "POST",
"jsonBody": true,
"headers": [
{
"name": "X-Api-Key",
"value": ""
}
],
"body": {
"text": "This is a placeholder for the script content.",
"voice_id": "YOUR_HEYGEN_VOICE_ID",
"avatar_id": "YOUR_HEYGEN_AVATAR_ID"
},
"responseContentType": "json"
},
"name": "Generate AI Video (HeyGen)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"uuid": "generateVideo",
"coordinates": [
900,
150
]
},
{
"parameters": {
"url": "https://api.dumpling.ai/get-tiktok-trends",
"method": "GET",
"qs": [
{
"name": "api_key",
"value": ""
},
{
"name": "limit",
"value": "10"
}
],
"responseContentType": "json"
},
"name": "Get TikTok Trends (Dumpling AI)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"uuid": "getTikTokTrends",
"coordinates": [
400,
400
]
},
{
"parameters": {
"url": "https://api.dumpling.ai/get-instagram-reels-trends",
"method": "GET",
"qs": [
{
"name": "api_key",
"value": ""
},
{
"name": "limit",
"value": "10"
}
],
"responseContentType": "json"
},
"name": "Get Instagram Trends (Dumpling AI)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"uuid": "getInstagramTrends",
"coordinates": [
650,
400
]
},
{
"parameters": {
"model": "gpt-4o",
"temperature": 0.7,
"maxTokens": 500,
"messages": [
{
"role": "system",
"content": "Analyze the following social media trends and provide suggestions for enhancing a video based on these trends. Focus on audio, visual styles, and common themes."
},
{
"role": "user",
"content": "TikTok Trends: [Placeholder for TikTok Trends]\nInstagram Reels Trends: [Placeholder for Instagram Trends]"
}
]
},
"name": "Analyze Trends & Suggest (OpenAI)",
"type": "n8n-nodes-base.openAi",
"typeVersion": 1,
"uuid": "analyzeTrends",
"coordinates": [
900,
400
]
},
{
"parameters": {
"conditions": [
{
"value1": "success",
"operator": "equalTo",
"value2": "success"
}
]
},
"name": "Check Video Generation Status",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"uuid": "checkVideoStatus",
"coordinates": [
1150,
150
]
},
{
"parameters": {
"model": "gpt-4o",
"temperature": 0.7,
"maxTokens": 200,
"messages": [
{
"role": "system",
"content": "Write a compelling caption and relevant hashtags for a short video based on the following video topic and trend suggestions. Keep it engaging and concise for TikTok and Instagram Reels."
},
{
"role": "user",
"content": "Video Topic: [Placeholder for Video Prompt]\nTrend Suggestions: [Placeholder for Trend Suggestions]"
}
]
},
"name": "Generate Caption & Hashtags (OpenAI)",
"type": "n8n-nodes-base.openAi",
"typeVersion": 1,
"uuid": "generateCaption",
"coordinates": [
1400,
150
]
},
{
"parameters": {
"url": "https://api.upload-post.com/upload",
"method": "POST",
"jsonBody": true,
"headers": [
{
"name": "Authorization",
"value": "Bearer "
}
],
"body": {
"video_url": "PLACEHOLDER_VIDEO_URL",
"platforms": [
"tiktok",
"instagram"
],
"title": "AI Generated Video",
"description": "AI Generated Video",
"hashtags": ""
},
"responseContentType": "json"
},
"name": "Upload to TikTok & Instagram (Upload-Post.com)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"uuid": "uploadVideo",
"coordinates": [
1650,
150
]
},
{
"parameters": {},
"name": "Merge Trend Data",
"type": "n8n-nodes-base.merge",
"typeVersion": 1,
"uuid": "mergeTrends",
"mode": "passThrough",
"coordinates": [
775,
400
]
}
],
"connections": {
"start": [
{
"node": "setPrompt",
"type": "main",
"index": 0
},
{
"node": "getTikTokTrends",
"type": "main",
"index": 0
}
],
"setPrompt": [
{
"node": "generateScript",
"type": "main",
"index": 0
}
],
"generateScript": [
{
"node": "generateVideo",
"type": "main",
"index": 0
}
],
"generateVideo": [
{
"node": "checkVideoStatus",
"type": "main",
"index": 0
}
],
"getTikTokTrends": [
{
"node": "mergeTrends",
"type": "main",
"index": 0
}
],
"getInstagramTrends": [
{
"node": "mergeTrends",
"type": "main",
"index": 1
}
],
"mergeTrends": [
{
"node": "analyzeTrends",
"type": "main",
"index": 0
}
],
"checkVideoStatus": [
{
"node": "generateCaption",
"type": "main",
"index": 0
}
],
"generateCaption": [
{
"node": "uploadVideo",
"type": "main",
"index": 0
}
]
},
"active": false,
"settings": {
"workflowMetaData": {
"name": "AI Video Creator & Social Media Publisher",
"description": "Generates AI videos with voice, analyzes TikTok/Instagram trends, and publishes to social media.",
"tags": [
"AI",
"Video",
"Social Media",
"TikTok",
"Instagram",
"Automation"
]
}
},
"versionId": "your_version_id"
}
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About this workflow
N8N Video Workflow. Uses trigger, openAi, httpRequest. Event-driven trigger; 11 nodes.
Source: https://gist.github.com/krishnabhattarai52/c79b26437426f01e1f790c5f29706f5f — original creator credit. Request a take-down →
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