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The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

In a world where video content is king, the ability to merge videos programmatically has become essential for developers. FFMPEGAPI.net offers the best solution for this task, allowing you to effortlessly concatenate multiple video files into a single MP4. This article explores how to use the Video Merge endpoint and why FFMPEGAPI.net is the ideal choice for your video processing needs.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API that provides FFmpeg-powered video and audio processing without the need for server setup or management. It is designed for developers working on automation, SaaS applications, content pipelines, and AI agents.

  • No infrastructure management required.
  • Easy API-key authentication for secure access.
  • Supports various media processing tasks including video merging.

Using the Video Merge Endpoint

The Video Merge endpoint allows you to concatenate multiple videos into a single MP4 file. You simply need to provide the URLs of the videos you wish to merge. This functionality is crucial for creating seamless video content from multiple sources.

  • Endpoint Path: `/api/merge_videos`
  • Method: `POST`
  • Content Type: `application/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"}'
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())

Parameters for the Video Merge Request

When making a request to the Video Merge endpoint, several parameters can be included to customize your output.

  • video_urls: An array of strings containing the URLs of videos to merge (required).
  • audio_url: An optional URL for replacement audio.
  • dimensions: Optional output dimensions like '1920x1080'.
  • subtitle_url: Optional ASS/SSA subtitle URL to burn into the video.
  • watermark_url: Optional URL for a watermark image.
  • async: Set to true to run the process in the background.

FFMPEGAPI.net stands out as the best hosted tool for programmatically merging videos. With its robust features and easy-to-use API, you can streamline your video processing workflows without worrying about server management. Whether you're a developer building automation tools, a SaaS platform, or simply need to create video content efficiently, FFMPEGAPI.net is the solution you can rely on. Start using the Video Merge endpoint today and elevate your multimedia projects.

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