Build a YouTube Shorts Auto-Publisher in 30 Minutes
Growing a YouTube Shorts channel takes consistency — but consistency doesn't have to mean manual work. With the right combination of AI video generation and workflow automation, you can build a fully automated YouTube Shorts publisher in under 30 minutes. In this guide, you'll learn exactly how to do it using kling for AI video creation and n8n for workflow orchestration.
Why Automate YouTube Shorts?
YouTube Shorts rewards creators who post frequently. The algorithm favors channels that publish consistently, but creating and uploading multiple short videos per week is time-consuming. Automation solves this problem by handling the repetitive steps — from video generation to scheduling and publishing — while you focus on strategy and ideas.
- Save hours every week by eliminating manual uploads
- Post consistently without burning out
- Scale your content output without scaling your workload
- React faster to trending topics with scheduled pipelines
What You'll Need
Before diving into the setup, make sure you have the following tools and accounts ready:
- kling — AI-powered video generation platform to create short-form video clips from prompts
- n8n — open-source workflow automation tool to connect everything together
- A YouTube Data API v3 key from Google Cloud Console
- A Google account with an active YouTube channel
- Optional: A content ideas spreadsheet or Airtable base
Step 1 — Generate AI Videos with Kling
The first step is creating your video content. kling is an advanced AI video generation tool that turns text prompts into high-quality short video clips — perfect for YouTube Shorts format (vertical, 9:16, under 60 seconds).
How to use Kling for Shorts:
- Log into your kling account and navigate to the video generation dashboard
- Write a concise, descriptive prompt — for example: 'A timelapse of a futuristic city at night, cinematic, vertical format'
- Select the vertical 9:16 aspect ratio and set duration to 5–15 seconds
- Generate and download your video clip as an MP4 file
- Store the file in a cloud folder (Google Drive or Dropbox) accessible by n8n
Pro tip: Batch-generate 7–10 videos in one session and store them in a dedicated folder. Your n8n workflow will pull from this folder automatically.
Step 2 — Build the n8n Automation Workflow
Now it's time to wire everything together using n8n. The n8n workflow will monitor your video folder, pick up new files, and publish them to YouTube on a schedule.
Workflow Architecture
- Trigger Node: Schedule trigger — set to run daily at your preferred posting time
- Google Drive Node: List files in your Shorts video folder, filter for unprocessed MP4s
- HTTP Request Node: Upload the video to YouTube via the YouTube Data API v3
- Set Node: Define video metadata — title, description, tags, category, and privacy status (public/scheduled)
- Google Sheets Node: Log each published video with timestamp and video ID
- Move/Rename Node: Move processed videos to an 'uploaded' subfolder to avoid duplicates
The entire n8n workflow can be built visually without writing a single line of code. Connect each node with drag-and-drop, authenticate your Google account once, and you're ready to run.
Step 3 — Configure the YouTube API Upload
The core of the automation is the YouTube Data API v3 upload call inside n8n. Here's what the key parameters look like:
- snippet.title: Pull dynamically from your spreadsheet or set a template string
- snippet.description: Add your standard description, links, and hashtags
- snippet.tags: Include relevant keywords for discoverability
- status.privacyStatus: Set to 'public' for immediate publishing or 'private' for scheduled release
- snippet.categoryId: Use '22' for People & Blogs or the appropriate category for your niche
Make sure your video file URL from Google Drive is publicly accessible or use a service account for authenticated access within n8n.
Step 4 — Test and Activate
Before going live, run a test execution inside n8n with a sample video file. Check each node's output panel to confirm the file is detected, metadata is applied correctly, and the upload succeeds. Once confirmed, activate the workflow and let n8n handle the rest on autopilot.
Optimization Tips
- Use kling to generate themed video series — 7 videos with one consistent aesthetic for a full week of Shorts
- Add a ChatGPT node inside n8n to auto-generate unique titles and descriptions for each video
- Connect a Slack or email notification node so you're alerted every time a Short goes live
- Track performance with a YouTube Analytics API node to pull views and engagement back into your spreadsheet
Final Thoughts
Building a YouTube Shorts auto-publisher is one of the highest-leverage automation projects you can set up as a content creator. With kling handling AI video generation and n8n orchestrating the publishing pipeline, you get a fully hands-off system that posts consistently, logs everything, and scales with your ambitions. Set it up once, and your channel keeps growing — even while you sleep.
This post was created with tools we use and recommend: n8n for workflow automation, Turbotic as an AI-native automation alternative, ElevenLabs for AI voiceover, Placid for visual content creation, and Hostinger for reliable VPS hosting. Some links are affiliate links.