Automate YouTube Video Processing via Webhook

The workflow JSON

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{
  "name": "YouTube2Post Simple - Working Version",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "youtube2post-simple",
        "responseMode": "lastNode",
        "options": {}
      },
      "id": "webhook",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1.1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "status",
              "value": "processing"
            },
            {
              "name": "youtube_url",
              "value": "={{$json.body.youtube_url}}"
            },
            {
              "name": "language",
              "value": "={{$json.body.language || 'zh-CN'}}"
            },
            {
              "name": "timestamp",
              "value": "={{$now.toISO()}}"
            }
          ]
        },
        "options": {}
      },
      "id": "set_data",
      "name": "Set Data",
      "type": "n8n-nodes-base.set",
      "typeVersion": 2,
      "position": [
        450,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// Validate YouTube URL and extract video ID\nconst url = $input.item.json.youtube_url;\n\nif (!url) {\n  throw new Error('YouTube URL is required');\n}\n\n// Support various YouTube URL formats\nconst patterns = [\n  /(?:youtube\\.com\\/watch\\?v=|youtu\\.be\\/|youtube\\.com\\/shorts\\/)([\\w-]{11})/,\n  /youtube\\.com\\/embed\\/([\\w-]{11})/,\n  /youtube\\.com\\/v\\/([\\w-]{11})/\n];\n\nlet videoId = null;\nfor (const pattern of patterns) {\n  const match = url.match(pattern);\n  if (match) {\n    videoId = match[1];\n    break;\n  }\n}\n\nif (!videoId) {\n  throw new Error('Invalid YouTube URL format');\n}\n\nreturn {\n  ...($input.item.json),\n  videoId: videoId,\n  videoUrl: `https://www.youtube.com/watch?v=${videoId}`,\n  valid: true\n};"
      },
      "id": "validate_url",
      "name": "Validate URL",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        650,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// Simulate processing (in production, this would call yt-dlp)\n// For now, create a mock response\n\nconst videoId = $input.item.json.videoId;\nconst language = $input.item.json.language;\n\n// Mock extracted quotes based on video\nconst mockQuotes = [\n  {\n    text: \"\u8fd9\u662f\u89c6\u9891\u4e2d\u7684\u7b2c\u4e00\u4e2a\u91cd\u8981\u89c2\u70b9\",\n    timestamp: \"00:00:15\",\n    start_seconds: 15\n  },\n  {\n    text: \"\u53e6\u4e00\u4e2a\u5173\u952e\u7684\u6d1e\u5bdf\u548c\u53d1\u73b0\",\n    timestamp: \"00:00:45\", \n    start_seconds: 45\n  },\n  {\n    text: \"\u603b\u7ed3\u6027\u7684\u7cbe\u5f69\u8bed\u53e5\",\n    timestamp: \"00:01:20\",\n    start_seconds: 80\n  }\n];\n\nreturn {\n  success: true,\n  videoId: videoId,\n  videoUrl: $input.item.json.videoUrl,\n  language: language,\n  processedAt: new Date().toISOString(),\n  metadata: {\n    title: \"Mock Video Title\",\n    channel: \"Mock Channel\",\n    duration: 120,\n    description: \"This is a mock description for testing\"\n  },\n  quotes: mockQuotes,\n  transcription: \"This is a mock transcription text...\",\n  message: `Successfully processed video ${videoId} (mock mode)`\n};"
      },
      "id": "process_video",
      "name": "Process Video (Mock)",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        850,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// Format the final response\nconst input = $input.item.json;\n\nreturn {\n  success: input.success,\n  data: {\n    videoId: input.videoId,\n    videoUrl: input.videoUrl,\n    metadata: input.metadata,\n    quotes: input.quotes,\n    transcription: input.transcription ? input.transcription.substring(0, 200) + '...' : null,\n    processedAt: input.processedAt\n  },\n  message: input.message,\n  usage: {\n    processingTime: '2.5s',\n    quotesExtracted: input.quotes.length,\n    language: input.language\n  }\n};"
      },
      "id": "format_response",
      "name": "Format Response",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1050,
        300
      ]
    },
    {
      "parameters": {
        "options": {}
      },
      "id": "respond",
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        1250,
        300
      ]
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Set Data",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Data": {
      "main": [
        [
          {
            "node": "Validate URL",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate URL": {
      "main": [
        [
          {
            "node": "Process Video (Mock)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Process Video (Mock)": {
      "main": [
        [
          {
            "node": "Format Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format Response": {
      "main": [
        [
          {
            "node": "Respond to Webhook",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "saveDataSuccessExecution": "all",
    "saveExecutionProgress": true,
    "saveManualExecutions": true
  },
  "active": false
}

About this workflow

YouTube2Post Simple - Working Version. Webhook trigger; 6 nodes.

Source: https://github.com/aixier/n8n-workflow-agent/blob/main/youtube2post_simple_workflow.json — original creator credit. Request a take-down →

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