{
  "id": "TApiWf14ShowNotes01",
  "name": "Video → Transcript → Podcast Show Notes + Chapters (TranscriptAPI)",
  "nodes": [
    {
      "parameters": {},
      "id": "eeeeeeee-eeee-4eee-8eee-eeeeeeeeee01",
      "name": "Start",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        -160,
        0
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "eeeeeeee-eeee-4eee-8eee-eeeeeeeeeeaa",
              "name": "videoUrl",
              "value": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "id": "eeeeeeee-eeee-4eee-8eee-eeeeeeeeee02",
      "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": "eeeeeeee-eeee-4eee-8eee-eeeeeeeeee03",
      "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 transcript segments with timestamps so the LLM can cite exact times.\nconst data = $input.first().json;\nconst meta = data.metadata || {};\nfunction ts(sec) {\n  const s = Math.floor(sec || 0);\n  const h = Math.floor(s / 3600);\n  const m = Math.floor((s % 3600) / 60);\n  const r = s % 60;\n  const mm = (r < 10 ? '0' : '') + r;\n  if (h > 0) return h + ':' + (m < 10 ? '0' : '') + m + ':' + mm;\n  return m + ':' + mm;\n}\nconst lines = (data.transcript || []).map((seg) => '[' + ts(seg.start) + '] ' + seg.text);\nreturn [\n  { json: { videoId: data.video_id, title: meta.title || null, language: data.language || null, transcriptText: lines.join('\\n') } },\n];"
      },
      "id": "eeeeeeee-eeee-4eee-8eee-eeeeeeeeee04",
      "name": "Build Transcript Text",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        500,
        0
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.openai.com/v1/chat/completions",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'gpt-4o-mini', response_format: { type: 'json_object' }, messages: [ { role: 'system', content: 'You are a podcast producer. Using the timestamped transcript, produce show notes. Respond ONLY with a JSON object with keys: summary (2-3 sentences), chapters (array of objects each with timestamp (e.g. \"0:00\", \"4:30\") and title (short chapter title); the FIRST chapter MUST start at 0:00), show_notes (a Markdown document with the summary, a Chapters list, and 3-6 Key Points bullets).' }, { role: 'user', content: 'Video title: ' + ($json.title || 'Untitled') + '\\n\\nTimestamped transcript:\\n' + $json.transcriptText } ] }) }}",
        "options": {}
      },
      "id": "eeeeeeee-eeee-4eee-8eee-eeeeeeeeee05",
      "name": "Write Show Notes (LLM)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        720,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_OPENAI_CRED_ID",
          "name": "OpenAI - Authorization Bearer"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "const raw = ($json.choices && $json.choices[0] && $json.choices[0].message.content) || '';\nlet r; try { r = JSON.parse(raw); } catch (e) { r = {}; }\nconst chapters = Array.isArray(r.chapters) ? r.chapters : [];\nconst chapterMarkers = chapters.map((c) => (c.timestamp || '0:00') + ' ' + (c.title || '')).join('\\n');\nconst src = $('Build Transcript Text').first().json;\nreturn [\n  {\n    json: {\n      summary: r.summary || null,\n      chapters,\n      chapterMarkers,\n      showNotes: r.show_notes || '',\n      sourceTitle: src.title,\n    },\n  },\n];"
      },
      "id": "eeeeeeee-eeee-4eee-8eee-eeeeeeeeee06",
      "name": "Format Show Notes",
      "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": "Write Show Notes (LLM)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Write Show Notes (LLM)": {
      "main": [
        [
          {
            "node": "Format Show Notes",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "pinData": {}
}