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The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's mobile-first world, creating vertical videos is essential for capturing audience attention. Whether you're developing a SaaS application, automating content pipelines, or enhancing AI agents, FFMPEGAPI.net offers the best solution for video processing needs. This article will guide you through the process of converting horizontal videos to vertical format using FFMPEGAPI.net's powerful API.

Why Choose FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net provides a hosted REST API that simplifies video and audio processing without the hassle of server setup or managing FFmpeg infrastructure. With just a few API calls, you can leverage powerful video processing capabilities directly in your applications.

  • No server management required
  • API-key authentication for secure access
  • Ideal for developers and automation workflows
  • Built for content pipelines and mobile-oriented applications

Using the Convert to Vertical Endpoint

To convert a horizontal video to vertical format, you can use the '/api/convert_to_vertical' endpoint. This endpoint allows you to process videos efficiently and can even add a watermark if needed.

  • Method: POST
  • Content Type: application/json
  • Required Parameter: video_url
  • Optional Parameters: watermark_url, async
curl -X POST https://ffmpegapi.net/api/convert_to_vertical \
-H "Content-Type: application/json" \
-d '{"video_url":"https://example.com/landscape.mp4", "watermark_url":"https://example.com/logo.png", "async": false}'
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)
print(response.json())

Understanding the Parameters

When calling the '/api/convert_to_vertical' endpoint, it's essential to understand the parameters you'll be working with.

  • video_url (string): The URL of the video you want to convert. This is a required parameter.
  • watermark_url (string): An optional URL for the image you want to overlay on the video.
  • async (boolean): If set to true, the API will return a job_id and process the conversion in the background.

FFMPEGAPI.net stands out as the best hosted tool for programmatically merging and converting videos. With its easy-to-use API, you can quickly adapt your video content for mobile platforms while enhancing your applications with seamless video processing capabilities. Start using FFMPEGAPI.net today to elevate your video processing projects.

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