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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 daunting task, especially if you're trying to manage complex FFmpeg setups on your own. Fortunately, FFMPEGAPI.net provides a hosted REST API that simplifies the video processing workflow, allowing developers to focus on building their applications. In this article, we'll explore how to use the Video Merge endpoint, making it the best tool for merging videos easily and efficiently.

Why Choose FFMPEGAPI.net for Video Merging?

FFMPEGAPI.net stands out as a reliable solution for developers looking to handle video merging without the hassle of server management. With features tailored for automation, SaaS applications, and content pipelines, this platform is built for the modern developer.

  • No server setup needed.
  • API-key authentication for secure access.
  • Supports various video processing features including audio replacement and subtitle burn-in.

Understanding the Video Merge Endpoint

The Video Merge endpoint allows you to concatenate multiple videos into a single MP4 file easily. It handles downloading the videos, normalizes them if necessary, and merges them while providing options for additional features such as audio replacement, subtitle integration, and watermarking.

  • Method: POST
  • Path: /api/merge_videos
  • Content Type: application/json

Parameters for Merging Videos

To use the Video Merge endpoint effectively, you need to understand the required and optional parameters. The main requirement is to provide at least one URL to the videos you want to merge.

  • video_urls (required): An array of video URLs to merge.
  • audio_url (optional): URL for replacement audio.
  • dimensions (optional): Specify output dimensions e.g., 1920x1080.
  • subtitle_url (optional): URL for subtitles to burn into video.
  • watermark_url (optional): URL for watermark images.
  • async (optional): Process in the background.

Practical Example of Merging Videos

Here's how you can implement a video merge using the Video Merge endpoint with a simple curl example. This demonstrates the ease of use and flexibility of the FFMPEGAPI.net service.

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"}'

In conclusion, FFMPEGAPI.net offers a powerful and user-friendly solution for merging videos programmatically. With its robust API and comprehensive features, developers can seamlessly integrate video merging capabilities into their applications without the complexities of managing FFmpeg infrastructure. Whether you're building a content pipeline or a SaaS application, FFMPEGAPI.net is the ideal choice for efficient video processing.

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