Generate YouTube Newsletter with AI

The workflow JSON

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{
  "name": "YouTube Newsletter Generator",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "youtube-newsletter",
        "responseMode": "lastNode"
      },
      "id": "webhook",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "http://ai-tools:8080/youtube/transcribe",
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "url",
              "value": "={{ $json.body.youtube_url }}"
            },
            {
              "name": "language",
              "value": "={{ $json.body.language || 'auto' }}"
            }
          ]
        }
      },
      "id": "transcribe",
      "name": "Transcribe YouTube",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        450,
        300
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "http://ai-tools:8000/text-to-speech",
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "text",
              "value": "={{ $json.transcription.text.substring(0, 1000) }}"
            },
            {
              "name": "voice",
              "value": "en-US-JennyNeural"
            }
          ]
        }
      },
      "id": "tts",
      "name": "Generate TTS Audio",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        650,
        200
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "http://ai-tools:8080/youtube/extract-thumbnail",
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "url",
              "value": "={{ $json.body.youtube_url }}"
            }
          ]
        }
      },
      "id": "thumbnail",
      "name": "Extract Thumbnail",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 3,
      "position": [
        650,
        400
      ]
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "newsletter_title",
              "value": "\ud83d\udcf9 {{ $('transcribe').item.json.title }}"
            },
            {
              "name": "video_summary",
              "value": "{{ $('transcribe').item.json.transcription.text.substring(0, 500) }}..."
            },
            {
              "name": "audio_download",
              "value": "{{ $('tts').item.json.download_url }}"
            },
            {
              "name": "thumbnail_url",
              "value": "{{ $('thumbnail').item.json.download_url }}"
            },
            {
              "name": "duration_minutes",
              "value": "{{ Math.round($('transcribe').item.json.duration / 60) }}"
            },
            {
              "name": "word_count",
              "value": "{{ $('transcribe').item.json.transcription.text.split(' ').length }}"
            }
          ]
        }
      },
      "id": "newsletter",
      "name": "Create Newsletter",
      "type": "n8n-nodes-base.set",
      "typeVersion": 1,
      "position": [
        850,
        300
      ]
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Transcribe YouTube",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Transcribe YouTube": {
      "main": [
        [
          {
            "node": "Generate TTS Audio",
            "type": "main",
            "index": 0
          },
          {
            "node": "Extract Thumbnail",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate TTS Audio": {
      "main": [
        [
          {
            "node": "Create Newsletter",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract Thumbnail": {
      "main": [
        [
          {
            "node": "Create Newsletter",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

About this workflow

YouTube Newsletter Generator. Uses httpRequest. Webhook trigger; 5 nodes.

Source: https://github.com/oliverhees/ai-tools-extended/blob/33ca9d14d838202082795b717d973426bc5fd9d8/n8n-workflows/youtube-newsletter.json — original creator credit. Request a take-down →

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