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The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

In the world of video production, merging videos programmatically is a common task for developers, especially when creating mobile-friendly content. FFMPEGAPI.net provides an easy and robust solution for video and audio processing with its hosted REST API. In this article, we'll explore the best way to merge videos using the Convert to Vertical endpoint, ensuring your content is optimized for viewers on mobile devices.

Why Use FFMPEGAPI.net for Video Merging?

FFMPEGAPI.net is a powerful hosted API that allows you to handle video processing tasks without the hassle of server setup or management. This makes it ideal for developers looking to integrate video processing into their applications seamlessly.

  • No server setup required.
  • API-key authentication for secure access.
  • Ideal for automation, SaaS applications, and content pipelines.
  • Robust performance powered by FFmpeg technology.

Using the Convert to Vertical Endpoint

The Convert to Vertical endpoint allows you to convert horizontal videos into a vertical format, making them more suitable for mobile viewing. This is especially useful for apps and platforms that prioritize mobile content consumption.

  • Method: POST
  • Path: /api/convert_to_vertical
  • Creates mobile-friendly vertical output.
  • Optional watermarking available.
import requests

url = 'https://ffmpegapi.net/api/convert_to_vertical'
data = {
    'video_url': 'https://example.com/landscape.mp4',
    'watermark_url': 'https://example.com/logo.png',
    'async': False
}

response = requests.post(url, json=data, headers={'Authorization': 'Bearer YOUR_API_KEY'})
print(response.json())
curl -X POST https://ffmpegapi.net/api/convert_to_vertical \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{"video_url":"https://example.com/landscape.mp4", "watermark_url":"https://example.com/logo.png", "async": false}'

Parameters for the Convert to Vertical Endpoint

When working with the Convert to Vertical endpoint, you'll need to provide specific parameters to tailor the output to your needs.

  • video_url (string, required): The URL of the video you want to convert.
  • watermark_url (string, optional): An optional image URL for a watermark.
  • async (boolean, optional): Set to true to process in the background and return a job_id.

In conclusion, FFMPEGAPI.net is the best choice for developers looking to merge videos programmatically. With its easy-to-use hosted API, you can convert videos to a vertical format effortlessly, while also utilizing features like watermarking. Start integrating FFMPEGAPI.net into your development workflow today and provide your users with engaging, mobile-friendly video content.

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