{ "id": "TApiWf13Quotes01", "name": "Video → Transcript → Key Quotes with Timestamps (TranscriptAPI)", "nodes": [ { "parameters": {}, "id": "dddddddd-dddd-4ddd-8ddd-dddddddddd01", "name": "Start", "type": "n8n-nodes-base.manualTrigger", "typeVersion": 1, "position": [ -160, 0 ] }, { "parameters": { "assignments": { "assignments": [ { "id": "dddddddd-dddd-4ddd-8ddd-ddddddddddaa", "name": "videoUrl", "value": "https://www.youtube.com/watch?v=dQw4w9WgXcQ", "type": "string" } ] }, "options": {} }, "id": "dddddddd-dddd-4ddd-8ddd-dddddddddd02", "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": "dddddddd-dddd-4ddd-8ddd-dddddddddd03", "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 = $input.first().json;\nconst meta = data.metadata || {};\nfunction ts(sec) {\n const s = Math.floor(sec || 0);\n const h = Math.floor(s / 3600);\n const m = Math.floor((s % 3600) / 60);\n const r = s % 60;\n const mm = (r < 10 ? '0' : '') + r;\n if (h > 0) return h + ':' + (m < 10 ? '0' : '') + m + ':' + mm;\n return m + ':' + mm;\n}\nconst lines = (data.transcript || []).map((seg) => '[' + ts(seg.start) + '] ' + seg.text);\nreturn [\n { json: { videoId: data.video_id, title: meta.title || null, language: data.language || null, transcriptText: lines.join('\\n') } },\n];" }, "id": "dddddddd-dddd-4ddd-8ddd-dddddddddd04", "name": "Build Transcript Text", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 500, 0 ] }, { "parameters": { "method": "POST", "url": "https://api.openai.com/v1/chat/completions", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "sendBody": true, "specifyBody": "json", "jsonBody": "={{ JSON.stringify({ model: 'gpt-4o-mini', response_format: { type: 'json_object' }, messages: [ { role: 'system', content: 'You extract the most quotable moments from a video. Using the timestamped transcript, return 5-10 short, tweetable, near-verbatim quotes. Respond ONLY with a JSON object with one key: quotes (an array of objects, each with: quote (string, max 240 chars) and timestamp (the nearest [m:ss] or [h:mm:ss] marker where it is said, without the brackets)).' }, { role: 'user', content: 'Video title: ' + ($json.title || 'Untitled') + '\\n\\nTimestamped transcript:\\n' + $json.transcriptText } ] }) }}", "options": {} }, "id": "dddddddd-dddd-4ddd-8ddd-dddddddddd05", "name": "Extract Quotes (LLM)", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.2, "position": [ 720, 0 ], "credentials": { "httpHeaderAuth": { "id": "REPLACE_OPENAI_CRED_ID", "name": "OpenAI - Authorization Bearer" } } }, { "parameters": { "jsCode": "const raw = ($json.choices && $json.choices[0] && $json.choices[0].message.content) || '';\nlet r; try { r = JSON.parse(raw); } catch (e) { r = {}; }\nconst quotes = Array.isArray(r.quotes) ? r.quotes : [];\nconst src = $('Build Transcript Text').first().json;\n// one item per quote — ready to append as Airtable rows\nreturn quotes.map((q) => ({\n json: {\n quote: q.quote || '',\n timestamp: q.timestamp || '',\n sourceTitle: src.title,\n sourceVideoId: src.videoId,\n },\n}));" }, "id": "dddddddd-dddd-4ddd-8ddd-dddddddddd06", "name": "Format Quotes", "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": "Extract Quotes (LLM)", "type": "main", "index": 0 } ] ] }, "Extract Quotes (LLM)": { "main": [ [ { "node": "Format Quotes", "type": "main", "index": 0 } ] ] } }, "active": false, "settings": { "executionOrder": "v1" }, "pinData": {} }