Scheduled YouTube transcription with de-duplication using Transcript.io and Supabase

by automedia ✓ · 243 views · created 2025-10-16 · Document Extraction, AI RAG

What this workflow does

This workflow has 39 nodes and runs on a schedule (every day at 01:00). Along the way it connects Supabase. It also calls youtube-transcript.io over HTTP.

How it runs

Trigger: On a schedule (every day at 01:00).

1. Set Max Video Age (Edit Fields (Set)): sets 1 field: max_content_age_days
2. Channels To Track (Edit Fields (Set)): sets 1 field: source_identifier
3. Max Content Age Days (Edit Fields (Set)): sets 1 field: max_content_age_days
4. Split Out: splits a list into separate items
5. Add Client & Age Rules (Merge): merges the data from its input branches
6. Channel Info (Edit Fields (Set)): sets 1 field: youtubeChannels
7. Data with Raw Date (Edit Fields (Set)): sets or maps fields
8. Verify Channel ID + Create RSS Link (Code): runs custom JavaScript code
9. Date & Time: formats or calculates dates
10. Merge: merges the data from its input branches

…plus 28 more steps. See the full node list below.

Services it uses

Supabase

HTTP calls to: youtube-transcript.io

Before you upgrade to n8n 3.0

Nodes used (13)

• Coden8n-nodes-base.code
• Supabasen8n-nodes-base.supabase
• Waitn8n-nodes-base.wait
• Edit Fields (Set)n8n-nodes-base.set
• Date & Timen8n-nodes-base.dateTime
• Ifn8n-nodes-base.if
• Loop Over Items (Split in Batches)n8n-nodes-base.splitInBatches
• Mergen8n-nodes-base.merge
• Stop and Errorn8n-nodes-base.stopAndError
• RSS Readn8n-nodes-base.rssFeedRead
• Split Outn8n-nodes-base.splitOut
• Schedule Triggern8n-nodes-base.scheduleTrigger
• HTTP Requestn8n-nodes-base.httpRequest

From the author

Scheduled YouTube Transcription with Duplicate Prevention Who's It For? This template is for advanced users, content teams, and data analysts who need a robust, automated system for capturing YouTube transcripts. It’s ideal for those who monitor multiple…

View the original on n8n.io → Check your own copy