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Merge Videos Effortlessly with FFMPEGAPI.net's Hosted REST API

June 2026 FFMPEG API Team

In the realm of video processing, merging multiple videos into a single output file is a common requirement. Developers often seek a reliable, efficient, and scalable solution that minimizes server management efforts. FFMPEGAPI.net provides the best solution for this need with its hosted REST API, allowing developers to merge videos seamlessly and incorporate additional features like audio replacement and watermarking.

Understanding Video Merging

Video merging involves concatenating multiple video files into a single output file. This process can be complex and resource-intensive, especially if you're managing your own server infrastructure.

FFMPEGAPI.net simplifies this process by offering a straightforward API endpoint that handles all the heavy lifting for you, without the need to set up your own FFmpeg environment.

  • Concatenate multiple video files effortlessly.
  • Optional features like audio replacement and subtitle burn-in.
  • No server maintenance required, enabling focus on development.

Using the Video Merge API Endpoint

The Video Merge API endpoint at FFMPEGAPI.net allows you to merge videos with just a few lines of code. It supports various options to customize the output, including dimensions, audio replacement, and more.

  • Endpoint: POST /api/merge_videos
  • Content Type: application/json
  • Required Parameter: video_urls (array of video URLs to merge)
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"}'
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())

Parameter Overview

The Video Merge API comes with several parameters that allow you to customize your video output. Below is a summary of the key parameters you can use:

  • video_urls: Array of video URLs to merge (required).
  • audio_url: Optional audio URL to replace the original audio.
  • dimensions: Optional output dimensions (e.g., 1920x1080).
  • subtitle_url: Optional URL for ASS/SSA subtitles to be burned into the merged video.
  • watermark_url: Optional URL for a watermark image.
  • async: Flag to process in the background and return a job ID immediately.

FFMPEGAPI.net stands out as the best hosted tool for developers looking to merge videos without the hassle of managing their own FFmpeg infrastructure. With its straightforward API, extensive customization options, and robust support for various video formats, developers can seamlessly integrate video processing capabilities into their applications. Whether you are working on automation, content pipelines, or AI agents, FFMPEGAPI.net is your go-to solution for efficient video merging.

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