Post AI videos to YouTube with Fal AI Veo3.1, Google Sheets, and YouTube API
Go to Workflow
Ari Nakos
Description
What It Is
An automated workflow for creating Veo3.1 videos and posting them to YouTube.
The workflow consists of three main phases:
Create Veo3.1 Video
Wait for Video Processing
Post on YouTube
Create Veo3.1 Video
This phase handles initial video creation based on user input.
Type Prompt
A form trigger collects the user’s inputs:
Prompt:** A simple scenario for the video.
Aspect Ratio:** e.g., 16:9, 9:16, 1:1
Videography (AI Refinement):**
An LLM refines the user’s prompt into a detailed "script-to-screen" format suitable for video generation.
Make FAL.AI Request
Sends the refined prompt to the Fal.ai Veo 3.1 model via HTTP request.
Video duration is fixed at 8 seconds.
Store Data
Stores video request details in a Google Sheet, including:
Request date
Refined prompt
Fal.ai request URL
Wait for Video Processing
The workflow pauses for 5 minutes.
Veo videos typically require 3–5 minutes to finish processing.
Post on YouTube
This phase generates YouTube-optimized metadata and uploads the final video.
YT Video SEO
An LLM (acting as a YouTube SEO + viral strategist) generates:
Video Title:** Under 6 words
Video Description:** Detailed and optimized
Video Tags:** Relevant tags for discoverability
It follows virality best practices and YouTube’s tag rules.
Structured Output
Parses structured JSON returned by the AI agent.
Get Keywords
Extracts and formats tags into a comma-separated list suitable for YouTube.
Fetch Video Credentials
Retrieves the final video URL and metadata from Fal.ai.
Download Video
Downloads the generated video file.
Post on YouTube
Uploads the video with the generated title, description, tags, and category.
Setup
To run this workflow, configure the following credentials in n8n:
OpenRouter
Generate an API key from your OpenRouter account.
Google Sheets
Uses OAuth 2.0
Authenticate with your Google account.
YouTube Data API
Configure credentials that allow n8n to post videos to YouTube.