{
  "id": "TApiWf11Classify01",
  "name": "Video → Transcript → Content Classifier (TranscriptAPI)",
  "nodes": [
    {
      "parameters": {},
      "id": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbb01",
      "name": "Start",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        -160,
        0
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbbaa",
              "name": "videoUrl",
              "value": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "id": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbb02",
      "name": "Set Video URL",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        60,
        0
      ]
    },
    {
      "parameters": {
        "url": "https://transcriptapi.com/api/v2/youtube/transcript",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "video_url",
              "value": "={{ $json.videoUrl }}"
            },
            {
              "name": "format",
              "value": "json"
            },
            {
              "name": "send_metadata",
              "value": "true"
            }
          ]
        },
        "options": {}
      },
      "id": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbb03",
      "name": "Get Transcript (TranscriptAPI)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        280,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_TRANSCRIPTAPI_CRED_ID",
          "name": "TranscriptAPI - Authorization Bearer"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "// Join TranscriptAPI segments into plain text and carry the title forward.\nconst data = $input.first().json;\nconst transcriptText = (data.transcript || []).map((s) => s.text).join(' ');\nconst meta = data.metadata || {};\nreturn [\n  { json: { videoId: data.video_id, title: meta.title || null, language: data.language || null, transcriptText } },\n];"
      },
      "id": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbb04",
      "name": "Build Transcript Text",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        500,
        0
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.openai.com/v1/chat/completions",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'gpt-4o-mini', response_format: { type: 'json_object' }, messages: [ { role: 'system', content: 'You are a content classifier. Read the transcript and classify the video. Respond ONLY with a JSON object with keys: primary_category (one of: Technology, Business, Education, Science, Health, Finance, Entertainment, Gaming, News, Lifestyle, Other), categories (array of 1-3 from that same list), content_type (one of: Tutorial, Review, Interview, News, Commentary, Vlog, Talk, Demo, Other), tags (array of 5-8 specific topic keywords), audience (short phrase describing who it is for), summary (2-3 sentence summary).' }, { role: 'user', content: 'Video title: ' + ($json.title || 'Untitled') + '\\n\\nTranscript:\\n' + $json.transcriptText } ] }) }}",
        "options": {}
      },
      "id": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbb05",
      "name": "Classify (LLM)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        720,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_OPENAI_CRED_ID",
          "name": "OpenAI - Authorization Bearer"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "const raw = ($json.choices && $json.choices[0] && $json.choices[0].message.content) || '';\nlet c; try { c = JSON.parse(raw); } catch (e) { c = {}; }\nconst src = $('Build Transcript Text').first().json;\nreturn [\n  {\n    json: {\n      primaryCategory: c.primary_category || null,\n      categories: c.categories || [],\n      contentType: c.content_type || null,\n      tags: c.tags || [],\n      audience: c.audience || null,\n      summary: c.summary || null,\n      sourceTitle: src.title,\n      sourceVideoId: src.videoId,\n    },\n  },\n];"
      },
      "id": "bbbbbbbb-bbbb-4bbb-8bbb-bbbbbbbbbb06",
      "name": "Format Classification",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        940,
        0
      ]
    }
  ],
  "connections": {
    "Start": {
      "main": [
        [
          {
            "node": "Set Video URL",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Video URL": {
      "main": [
        [
          {
            "node": "Get Transcript (TranscriptAPI)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Transcript (TranscriptAPI)": {
      "main": [
        [
          {
            "node": "Build Transcript Text",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build Transcript Text": {
      "main": [
        [
          {
            "node": "Classify (LLM)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Classify (LLM)": {
      "main": [
        [
          {
            "node": "Format Classification",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "pinData": {}
}