{
  "id": "TApiWf03Blog01",
  "name": "Single Video → Transcript → SEO Blog-Post Draft (TranscriptAPI)",
  "nodes": [
    {
      "parameters": {},
      "id": "33333333-3333-4333-8333-333333333301",
      "name": "Start",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        -160,
        0
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "a3333333-3333-4333-8333-3333333333aa",
              "name": "videoUrl",
              "value": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "id": "33333333-3333-4333-8333-333333333302",
      "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": "33333333-3333-4333-8333-333333333303",
      "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 one plain-text transcript and carry\n// the video metadata (title/author/thumbnail) forward for the blog draft.\nconst data = $input.first().json;\nconst transcriptText = (data.transcript || []).map((s) => s.text).join(' ');\nconst meta = data.metadata || {};\nreturn [\n  {\n    json: {\n      videoId: data.video_id,\n      title: meta.title || null,\n      author: meta.author_name || null,\n      thumbnail: meta.thumbnail_url || null,\n      language: data.language || null,\n      transcriptText,\n    },\n  },\n];"
      },
      "id": "33333333-3333-4333-8333-333333333304",
      "name": "Build Transcript Text",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        500,
        0
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.openai.com/v1/chat/completions",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify({ model: 'gpt-4o-mini', response_format: { type: 'json_object' }, messages: [ { role: 'system', content: 'You are an expert SEO content writer. Turn the YouTube video transcript into a publish-ready blog post draft. Respond ONLY with a JSON object with these keys: seo_title (string, max 60 chars), meta_description (string, max 155 chars), slug (kebab-case string), tags (array of 5 short strings), markdown (the full article in Markdown: an engaging intro, 3-6 sections with ## and ### headings, and a conclusion). Write clear, original prose; do not copy the transcript verbatim.' }, { role: 'user', content: 'Video title: ' + ($json.title || 'Untitled') + '\\n\\nTranscript:\\n' + $json.transcriptText } ] }) }}",
        "options": {}
      },
      "id": "33333333-3333-4333-8333-333333333305",
      "name": "Generate Blog Draft (LLM)",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        720,
        0
      ],
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_OPENAI_CRED_ID",
          "name": "OpenAI - Authorization Bearer"
        }
      }
    },
    {
      "parameters": {
        "jsCode": "// Parse the LLM's JSON blog draft into clean fields. Falls back to raw text if parsing fails.\nconst raw = ($json.choices && $json.choices[0] && $json.choices[0].message.content) || '';\nlet draft;\ntry { draft = JSON.parse(raw); } catch (e) { draft = { markdown: raw }; }\nconst src = $('Build Transcript Text').first().json;\nreturn [\n  {\n    json: {\n      seoTitle: draft.seo_title || null,\n      metaDescription: draft.meta_description || null,\n      slug: draft.slug || null,\n      tags: draft.tags || [],\n      markdown: draft.markdown || '',\n      sourceVideoId: src.videoId,\n      sourceTitle: src.title,\n    },\n  },\n];"
      },
      "id": "33333333-3333-4333-8333-333333333306",
      "name": "Format Blog Draft",
      "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": "Generate Blog Draft (LLM)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Generate Blog Draft (LLM)": {
      "main": [
        [
          {
            "node": "Format Blog Draft",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "pinData": {}
}