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n8n Workflow

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The n8n workflow integration allows you to automate your video dubbing pipeline and distribute content across multiple platforms. This powerful workflow combines DubLab’s AI dubbing capabilities with automated social media posting and file storage.

Features

  • 🎥 Automated Video Dubbing: Bulk process videos in multiple languages
  • 📝 Form-Based Input: User-friendly web form for video submission
  • 🔄 Webhook Integration: Automatic processing when dubbing completes
  • 📤 Multi-Platform Distribution: Auto-upload to Telegram, Box, Dropbox, YouTube, and social media
  • 🌍 Multi-Language Support: Process videos for multiple target languages simultaneously
  • 📊 Workflow Automation: End-to-end automation from upload to distribution

Workflow Overview

The n8n workflow consists of two main processes:

1. Video Dubbing Process

  1. Form Submission: Users submit videos via web form with target languages
  2. API Integration: Initializes dubbing via DubLab API
  3. File Upload: Uploads video files to DubLab’s processing system
  4. Processing Start: Triggers the dubbing process
  5. Status Monitoring: Tracks dubbing progress

2. Distribution Process (Webhook-triggered)

  1. Completion Notification: Receives webhook when dubbing completes
  2. File Download: Downloads both original and dubbed videos
  3. Multi-Platform Upload: Distributes content to configured platforms

Prerequisites

Before setting up the n8n workflow, ensure you have:

  • n8n Instance: Self-hosted or cloud n8n installation
  • DubLab API Key: Obtain from DubLab Account
  • Platform Credentials: API keys/OAuth for desired distribution platforms

Installation

1. Import the Workflow

  1. Download the workflow file: DubLab_App_Video_Dubbing_and_Translate.json
  2. In your n8n instance, go to Workflows → Import from File
  3. Select the downloaded JSON file
  4. Click Import

2. Configure API Key

  1. Open the workflow in n8n
  2. Replace DUBLAB_API_KEY with your actual API key in these nodes:
    • Init Dubbing
    • Start Dubbing
    • Fetch Projects

3. Set Up Webhook URL

  1. Copy the webhook URL from the Webhook node
  2. Go to DubLab Account → Webhooks
  3. Add the webhook URL to receive completion notifications

4. Configure Distribution Platforms (Optional)

Choose and configure the platforms where you want to distribute your dubbed videos:

Telegram

  • Required: Bot token from @BotFather
  • Setup: Configure chat ID for video delivery

Box

  • Required: OAuth2 credentials
  • Setup: Authorize your Box account in n8n credentials

Dropbox

  • Required: OAuth2 credentials
  • Setup: Authorize your Dropbox account in n8n credentials

YouTube

  • Required: Google OAuth2 credentials
  • Setup: Authorize your YouTube account in n8n credentials

Postiz (Social Media)

  • Required: Postiz API key
  • Setup: Configure for multi-platform social media posting
  • Supports: Facebook, Instagram, Threads, TikTok, Reddit, and more

Usage

Starting a Dubbing Job

  1. Access the Form: Navigate to the form URL provided by n8n
  2. Upload Video: Select your video file (MP4 format recommended)
  3. Select Languages: Choose one or more target languages:
    • English, German, Russian, Polish
    • Spanish, Portuguese, French, Italian
    • Arabic, Turkish, Dutch
  4. Submit: Click submit to start the dubbing process

Monitoring Progress

The workflow automatically:

  • Processes each video for each selected language
  • Sends status updates via configured channels
  • Distributes completed videos to all configured platforms

Workflow Nodes Explained

Core Processing Nodes

  • Start (Form Trigger): Web form for video and language selection
  • Combine Videos and Languages: Processes multiple combinations
  • Init Dubbing: Initializes dubbing job via DubLab API
  • Upload Video: Uploads video files to DubLab storage
  • Start Dubbing: Begins the AI dubbing process
  • Fetch Projects: Retrieves dubbing status and results

Distribution Nodes

  • Webhook: Receives completion notifications
  • Original Video: Downloads original video file
  • Dubbed Video: Downloads completed dubbed video
  • Telegram: Sends videos to Telegram chat
  • Box: Uploads to Box cloud storage
  • Dropbox: Uploads to Dropbox cloud storage
  • YouTube: Uploads videos to YouTube channel
  • Postiz: Posts to social media platforms

Supported Languages

The workflow supports dubbing to these languages:

  • en - English
  • de - German
  • ru - Russian
  • pl - Polish
  • es - Spanish
  • pt - Portuguese
  • fr - French
  • it - Italian
  • ar - Arabic
  • tr - Turkish
  • nl - Dutch

Configuration Variables

For easier management, consider setting up these n8n environment variables:

Terminal window
DUBLAB_API_KEY=your_dublab_api_key
POSTIZ_API_KEY=your_postiz_api_key
PROXY_AUTH=your_proxy_authorization

Customization

Adding New Platforms

To add support for additional platforms:

  1. Add a new node after the Dubbed Video node
  2. Configure the platform’s API integration
  3. Map the video file and metadata appropriately

Modifying Languages

To add or remove supported languages:

  1. Update the Start form node dropdown options
  2. Modify the language mapping in Combine Videos and Languages node
  3. Update the langMap object with new language codes

Custom Processing

You can customize the workflow by:

  • Adding video format conversion nodes
  • Implementing custom naming conventions
  • Adding approval workflows
  • Integrating with project management tools

Troubleshooting

Common Issues

API Key Errors

  • Verify your DubLab API key is valid and has sufficient credits
  • Check that the API key is correctly set in all nodes

Webhook Not Receiving Data

  • Ensure the webhook URL is correctly configured in DubLab account
  • Check that the webhook node is active in n8n

Upload Failures

  • Verify platform credentials are properly configured
  • Check file size limits for each platform
  • Ensure video format compatibility

Form Not Accessible

  • Check that the workflow is active
  • Verify the form trigger node is properly configured
  • Ensure n8n instance is accessible from the internet

Getting Help

  • Check n8n execution logs for detailed error information
  • Test individual nodes to isolate issues
  • Verify all required credentials are configured
  • Contact DubLab Support for API-related issues

Advanced Features

Batch Processing

The workflow supports processing multiple videos with multiple target languages simultaneously, creating a matrix of dubbing jobs.

Error Handling

The workflow includes error handling for failed uploads and API calls, with retry logic where appropriate.

Monitoring and Logging

All workflow executions are logged in n8n, providing detailed information about processing status and any errors.

Benefits

  • Time Saving: Automate repetitive dubbing and distribution tasks
  • Scalability: Process multiple videos and languages simultaneously
  • Consistency: Standardized processing and distribution workflow
  • Integration: Connect with existing tools and platforms
  • Flexibility: Easily customize and extend the workflow

This n8n integration transforms DubLab from a manual dubbing tool into a fully automated content localization and distribution system.