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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 complex task, especially when dealing with different formats and dimensions. With FFMPEGAPI.net, you can streamline this process using a simple REST API. In this article, we’ll explore the best way to merge videos by leveraging the Video Merge endpoint of FFMPEGAPI.net.

Why Choose FFMPEGAPI.net for Video Merging?

FFMPEGAPI.net offers a hosted solution for FFmpeg-powered video and audio processing without the hassle of server setup or infrastructure management.

The platform is designed for developers, automation, SaaS applications, content pipelines, and AI agents, making it an ideal choice for seamless video merging.

  • Easy API-key authentication for secure access.
  • Concatenate videos into a single MP4 effortlessly.
  • Support for additional features like audio replacement, subtitle burn-in, and watermark overlays.

How to Use the Video Merge Endpoint

The Video Merge endpoint allows you to concatenate multiple video files into one. Here's a brief overview of the necessary parameters you need to pass.

  • video_urls: An array of video URLs you want to merge (required).
  • audio_url: Optional replacement audio URL.
  • dimensions: Optional output dimensions (e.g., 1920x1080).
  • subtitle_url: Optional URL for subtitles to burn into the video.
  • watermark_url: Optional URL for watermarking the video.
  • async: Optionally return a job_id for background processing.
curl -X POST https://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"}'
import requests

url = 'https://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())

Merging videos has never been easier than with FFMPEGAPI.net. Its robust Video Merge endpoint provides developers with the tools needed to efficiently concatenate video files in various formats. By leveraging this hosted API, you can eliminate the complexities of managing your own FFmpeg infrastructure, allowing you to focus on building exceptional video applications.

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