💥 Veo 3.1とBlotatoを使ってAI動画制作とマルチプラットフォーム公開を自動化 - 動画

• •Google Drive API認証情報
• •ターゲットAPIの認証情報が必要な場合あり
• •Google Sheets API認証情報
• •OpenAI API Key

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          "assignments": [
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              "value": "={{ $json.prompt }} consistent character throughout, photorealistic quality, professional cinematography, 8 seconds duration, 9:16 aspect ratio, 24fps"
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        "jsCode": "// Parse Google Sheets Input (headers) and Validate for Veo 3.1 workflow\nconst items = $input.all();\nconst results = [];\n\n// Helper to read and trim a field safely\nfunction getField(data, key) {\n  const v = (data[key] ?? data[key?.toUpperCase?.()] ?? \"\").toString();\n  return v.trim();\n}\n\nfor (const item of items) {\n  const data = item.json || {};\n\n  // Read by header names\n  const id_video  = getField(data, \"id_video\");\n  const niche     = getField(data, \"niche\");\n  const idea      = getField(data, \"idea\");\n  const url_1     = getField(data, \"url_1\");\n  const url_2     = getField(data, \"url_2\");\n  const url_3     = getField(data, \"url_3\");\n  const url_final = getField(data, \"url_final\");   // peut être vide au départ\n  const status    = getField(data, \"status\");      // ex: pending|processing|completed|failed\n  const row_number = data.row ?? data._row ?? \"\";\n\n  // Validation\n  const errors = [];\n\n  // niche & idea\n  if (!niche || niche.length <= 2) {\n    errors.push(\"niche must be longer than 2 characters\");\n  }\n  if (!idea || idea.length <= 5) {\n    errors.push(\"idea must be longer than 5 characters\");\n  }\n\n  // URLs images requises\n  if (!url_1 || !url_1.startsWith(\"http\")) {\n    errors.push(\"url_1 is missing or invalid - must start with http\");\n  }\n  if (!url_2 || !url_2.startsWith(\"http\")) {\n    errors.push(\"url_2 is missing or invalid - must start with http\");\n  }\n  if (!url_3 || !url_3.startsWith(\"http\")) {\n    errors.push(\"url_3 is missing or invalid - must start with http\");\n  }\n\n  // url_final si présent\n  if (url_final && !url_final.startsWith(\"http\")) {\n    errors.push(\"url_final is invalid - must start with http if provided\");\n  }\n\n  // status optionnel : normalisation (facultatif)\n  const allowedStatus = new Set([\"\", \"pending\", \"processing\", \"completed\", \"failed\", \"draft\"]);\n  if (!allowedStatus.has(status.toLowerCase?.() ?? \"\")) {\n    errors.push(`status '${status}' is not recognized (use: pending|processing|completed|failed|draft)`);\n  }\n\n  // Build output item\n  const image_urls = [url_1, url_2, url_3];\n\n  const out = {\n    json: {\n      id_video,\n      niche,\n      idea,\n      image_urls,\n      url_final: url_final || \"\",\n      status: (status || \"pending\").toLowerCase(),\n      row_number,\n      timestamp: new Date().toISOString(),\n    },\n  };\n\n  // Valid flag + errors\n  if (errors.length) {\n    out.json.valid = false;\n    out.json.validation_errors = errors;\n  } else {\n    out.json.valid = true;\n  }\n\n  results.push(out);\n}\n\nreturn results;\n"
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        "sendBody": true,
        "sendHeaders": true,
        "specifyBody": "json",
        "headerParameters": {
          "parameters": [
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              "name": "Authorization",
              "value": "={{ $('Workflow Configuration').item.json.fal_api_key }}"
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        "jsCode": "const prompt = $input.item.json.veo_prompt || $input.item.json.prompt;\nlet imageUrls = $('Parse Sheet Input').item.json.image_urls;\n\nfunction convertGoogleDriveUrl(url) {\n  if (!url) return url;\n  if (url.includes('drive.google.com/file/d/')) {\n    const match = url.match(/\\/d\\/([a-zA-Z0-9_-]+)/);\n    if (match && match[1]) {\n      return `https://drive.google.com/uc?export=download&id=${match[1]}`;\n    }\n  }\n  return url;\n}\n\nif (!prompt || prompt.length < 10) {\n  throw new Error('Prompt required');\n}\n\nif (!Array.isArray(imageUrls) || imageUrls.length !== 3) {\n  throw new Error('Need 3 image URLs');\n}\n\nconst directImageUrls = imageUrls.map(url => convertGoogleDriveUrl(url));\n\ndirectImageUrls.forEach((url, index) => {\n  if (!url || !url.startsWith('http')) {\n    throw new Error('Invalid image URL at position ' + (index + 1));\n  }\n});\n\nreturn {\n  json: {\n    veo_request_body: {\n      prompt: prompt,\n      image_urls: directImageUrls,\n      duration: 8,\n      aspect_ratio: \"9:16\"\n    },\n    ...($input.item.json)\n  }\n};"
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        "jsCode": "// Extract video data from Veo Generation response\nconst items = $input.all();\nconst results = [];\n\nfor (const item of items) {\n  const data = item.json || {};\n  \n  // Extract video data from current node\n  const video_url = data.video?.url || '';\n  const video_content_type = data.video?.content_type || '';\n  const video_file_size = data.video?.file_size || 0;\n  const video_file_name = data.video?.file_name || '';\n  \n  // Preserve data from previous nodes\n  const niche = $('Parse Sheet Input').item.json.niche || '';\n  const idea = $('Parse Sheet Input').item.json.idea || '';\n  const caption = $('Parse GPT Response').item.json.caption || '';\n  const hashtags_string = $('Parse GPT Response').item.json.hashtags_string || '';\n  const veo_prompt = $('Optimize Prompt for Veo').item.json.veo_prompt || '';\n  const id_video = $('Parse Sheet Input').item.json.id_video || '';\n  const row_number = $('Parse Sheet Input').item.json.row_number || '';\n  \n  results.push({\n    json: {\n      video_url,\n      video_content_type,\n      video_file_size,\n      video_file_name,\n      generation_completed_at: new Date().toISOString(),\n      niche,\n      idea,\n      caption,\n      hashtags_string,\n      veo_prompt,\n      id_video,\n      row_number\n    }\n  });\n}\n\nreturn results;"
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        "content": "# 📤 STEP 5: PUBLISHING & TRACKING\n\n### Install the Blotato [Blotato](https://blotato.com/?ref=firas) Node in n8n (Community Nodes)\n1. In n8n, open **Settings → Community Nodes**.  \n2. Click **Install**, then add: `@blotato/n8n-nodes-blotato`.  \n3. Log in to **Blotato**.  \n4. Go to **Settings → API Keys**.  \n5. In n8n → **Credentials → New**.  \n6. Choose **Blotato API** \n(provided by the community node you installed).  \n\n✅ **Activate Workflow:**\n- Toggle workflow to **Active** state\n- Ensure trigger is enabled\n\n✅ **Monitor Executions:**\n- Check execution history regularly\n- Review error logs if failures occur\n"
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      "type": "@blotato/n8n-nodes-blotato.blotato",
      "position": [
        1376,
        2464
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      "parameters": {
        "mediaUrl": "={{ $json.url_final }}",
        "resource": "media"
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      "credentials": {
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          "id": "wozsYJYLfCZO37j8",
          "name": "Blotato account"
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          "__rl": true,
          "mode": "list",
          "value": "8047",
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          "cachedResultName": "DR FIRASS (Dr. Firas)"
        },
        "postContentText": "={{ $('Save to Google Sheets').item.json.CAPTION }}",
        "postContentMediaUrls": "={{ $json.url }}",
        "postCreateYoutubeOptionTitle": "={{ $('Save to Google Sheets').item.json.IDEA }}",
        "postCreateYoutubeOptionPrivacyStatus": "private",
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          "name": "Blotato account"
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      "name": "Tiktok",
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      "position": [
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        "platform": "tiktok",
        "accountId": {
          "__rl": true,
          "mode": "list",
          "value": "9332",
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          "cachedResultName": "docteur.firas"
        },
        "postContentText": "={{ $('Save to Google Sheets').item.json.CAPTION }}",
        "postContentMediaUrls": "={{ $json.url }}"
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          "name": "Blotato account"
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      },
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      "name": "Linkedin",
      "type": "@blotato/n8n-nodes-blotato.blotato",
      "position": [
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      "parameters": {
        "options": {},
        "platform": "linkedin",
        "accountId": {
          "__rl": true,
          "mode": "list",
          "value": "1446",
          "cachedResultUrl": "https://backend.blotato.com/v2/accounts/1446",
          "cachedResultName": "Samuel Amalric"
        },
        "postContentText": "={{ $('Save to Google Sheets').item.json.CAPTION }}",
        "postContentMediaUrls": "={{ $json.url }}"
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          "id": "wozsYJYLfCZO37j8",
          "name": "Blotato account"
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          "mode": "list",
          "value": "1759",
          "cachedResultUrl": "https://backend.blotato.com/v2/accounts/1759",
          "cachedResultName": "Firass Ben"
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        "facebookPageId": {
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          "mode": "list",
          "value": "101603614680195",
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          "cachedResultName": "Dr. Firas"
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        "postContentMediaUrls": "={{ $json.url }}"
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          "mode": "list",
          "value": "1687",
          "cachedResultUrl": "https://backend.blotato.com/v2/accounts/1687",
          "cachedResultName": "acces.a.vie"
        },
        "postContentText": "={{ $('Save to Google Sheets').item.json.CAPTION }}",
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    {
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        "content": "# 🎬 AI VIDEO GENERATOR - VEO 3.1\n\n**Workflow Steps:**\n1. Monitor Google Sheets for new video requests\n2. Generate content with GPT-4\n3. Create video with Veo 3.1\n4. Upload to Google Drive\n5. Publish to social media via Blotato\n# 📋 STEP 1: PREREQUISITES\n\n1. **OpenAI (GPT-4)**\n   - Sign up: [platform.openai.com](https://platform.openai.com)\n   - Get API key: [platform.openai.com/api-keys](https://platform.openai.com/api-keys)\n   - Estimated cost: ~$0.01-0.05 per video\n\n2. **fal.ai (Veo 3.1)**\n   - Sign up: [fal.ai](https://fal.ai)\n   - Get API key: [fal.ai/dashboard/keys](https://fal.ai/dashboard/keys)\n   - Estimated cost: ~$0.50-2.00 per video\n\n3. **Google Account**\n   - Google Sheets (trigger & tracking)\n   - Google Drive (video storage)\n   - Free tier available\n\n4. **Blotato (Social Media Publishing)**\n   - Sign up: [blotato.com](https://blotato.com)\n   - Get API key from Settings → API Keys\n   - Multi-platform publishing support\n\n# 📊 STEP 2: GOOGLE SHEETS\n\n### Create Video_Requests Sheet\n1. Create a new Google Sheet named **Video_Requests**\n2. Add the following columns (A through H):\n   - **A: id_video** - Unique video ID (auto-generated or sequential)\n   - **B: niche** - Content niche or category (e.g. Tech, Fashion, Fitness)\n   - **C: idea** - Short video idea or concept (min 5 characters)\n   - **D: url_1** - First reference image (scene, product, or creator)\n   - **E: url_2** - Second reference image\n   - **F: url_3** - Third reference image\n   - **G: url_final** - Final generated video URL (auto-filled by n8n)\n   - **H: status** - Processing status (pending / processing / completed / failed)\n\n\n### Image URL Requirements\n- All image URLs must start with `http://` or `https://`\n- Google Drive URLs will be automatically converted to direct download links\n- Minimum 3 images required per video request\n\n### Google Drive Setup\n1. Create a folder in Google Drive for video storage\n2. Copy the folder ID from the URL\n3. Update the `google_drive_folder_id` in Workflow Configuration node"
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      "parameters": {
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        "content": "# 🔑 STEP 3: API KEYS CONFIGURATION\n\n\n## ⚠️ Important Warnings\n\n**Timeout:** Veo video generation can take 5-10 minutes. HTTP request timeout is set to 10 minutes (600,000ms).\n\n**Estimated Costs Per Video:**\n- GPT-4 API call: ~$0.01-0.05\n- Fal.ai Veo 3.1 generation: ~$0.50-1.00\n- Total per video: ~$0.51-1.05\n\n**Rate Limits:** Be mindful of API rate limits for all services."
      },
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        "content": "# 🚀 STEP 4: WORKFLOW ACTIVATION\n\n## Pre-Activation Checklist\n\n✅ **Verify All Credentials:**\n- OpenAI API key configured\n- Fal.ai API key set\n- Google Sheets OAuth connected\n- Google Drive OAuth connected\n- Blotato API key added (if publishing)\n\n✅ **Test Workflow:**\n1. Add a test row in your Google Sheets:\n   - id_video: TEST_001\n   - niche: Health\n   - idea: Benefits of morning exercise\n   - url_1, url_2, url_3: Valid image URLs\n   - status: pending\n2. Wait for trigger to fire (30 min polling)\n3. Monitor execution in n8n dashboard\n\n"
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