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The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

Merging videos programmatically can be a challenging task for developers, especially when it comes to handling various video formats and ensuring compatibility. Fortunately, FFMPEGAPI.net offers a powerful and easy-to-use hosted REST API dedicated to video and audio processing. In this article, we will explore how to use the Video Merge API to concatenate videos effortlessly.

Why Choose FFMPEGAPI.net for Video Merging?

FFMPEGAPI.net stands out as the best solution for merging videos due to its ease of use and robust features. Unlike traditional methods that require complex server setups or extensive FFmpeg infrastructure management, FFMPEGAPI.net simplifies the process by offering a hosted solution that you can access directly through API calls.

  • No server setup required.
  • API-key authentication for secure access.
  • Supports various video formats and operations.
  • Ideal for developers, automation, and SaaS applications.

How to Use the Video Merge API

The Video Merge API allows you to concatenate multiple videos into a single MP4 file easily. This API endpoint is designed to download, normalize, and merge videos while offering optional parameters such as audio replacement, output dimensions, and more.

import requests

url = 'https://www.ffmpegapi.net/api/merge_videos'
data = {
    'video_urls': [
        'https://example.com/intro.mp4',
        'https://example.com/main.mp4'
    ],
    'dimensions': '1920x1080'
}
response = requests.post(url, json=data)
print(response.json())
curl -X POST https://www.ffmpegapi.net/api/merge_videos \
-H 'Content-Type: application/json' \
-d '{ "video_urls": ["https://example.com/intro.mp4", "https://example.com/main.mp4"], "dimensions": "1920x1080" }'

Understanding API Parameters

When using the Video Merge API, you need to specify certain parameters to customize the merging process. The required parameter is 'video_urls', which is an array of video URLs that you want to merge.

  • video_urls (required): List of video URLs to merge.
  • audio_url (optional): Replacement audio URL.
  • dimensions (optional): Set output dimensions (e.g., 1920x1080).
  • subtitle_url (optional): ASS/SSA subtitle URL to burn in.
  • watermark_url (optional): URL of a watermark image.
  • async (optional): Set to true to process in the background.

FFMPEGAPI.net not only simplifies the video merging process but also provides a comprehensive solution for audio and video processing tasks. With its powerful Video Merge API, developers can easily integrate video concatenation capabilities into their applications without the hassle of managing complex infrastructure. Whether you're building automation tools, SaaS applications, or content pipelines, FFMPEGAPI.net is the ultimate choice for your video processing needs.

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