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Seamlessly Merge Videos with FFMPEGAPI.net: Your Go-To Tool for Developers

June 2026 FFMPEG API Team

In today's digital landscape, the ability to manipulate video and audio files efficiently is crucial for developers. FFMPEGAPI.net offers a robust hosted REST API that allows you to merge videos effortlessly, removing the hassle of server setup and FFmpeg infrastructure management. This article will walk you through the process of using the Video Merge endpoint to concatenate multiple video files into a single MP4, showcasing why FFMPEGAPI.net is the best FFMPEG tool for developers.

Introduction to the Video Merge Endpoint

The Video Merge endpoint at FFMPEGAPI.net is designed for developers who need to concatenate videos quickly and efficiently. By providing a simple POST request to /api/merge_videos, you can merge multiple video files into one, ensuring seamless playback and a professional finish.

Key Features of the Video Merge API

FFMPEGAPI.net's Video Merge API provides a variety of features that cater to different video processing needs:

From audio replacement to subtitle burn-in, this API makes it easy to enhance your video files.

  • Concatenates multiple video files into a single MP4.
  • Supports optional audio replacement.
  • Allows for customizable output dimensions.
  • Enables subtitle burn-in from ASS/SSA files.
  • Offers watermark overlay capabilities.
  • Can process requests asynchronously.

How to Use the Video Merge Endpoint

To use the Video Merge API, you'll need to send a POST request with the appropriate parameters. Here’s a breakdown of the required and optional parameters you can use:

The `video_urls` parameter is mandatory, while others like `audio_url`, `dimensions`, `subtitle_url`, and `watermark_url` are optional.

import requests

url = 'https://ffmpegapi.net/api/merge_videos'

payload = {
    'video_urls': [
        'https://example.com/intro.mp4',
        'https://example.com/main.mp4'
    ],
    'dimensions': '1920x1080'
}

response = requests.post(url, json=payload)
print(response.json())

Making Your First Request

Here's an example of how to merge two videos using curl. This command will send a POST request to the Video Merge endpoint with the necessary parameters.

You can customize the request further by adding optional parameters as needed.

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"}'

FFMPEGAPI.net stands out as a premier hosted solution for developers needing reliable video and audio processing. With its simple API and powerful features, you can easily merge videos without the overhead of managing your own FFmpeg infrastructure. Whether you are building a SaaS application, automating a content pipeline, or working with AI agents, FFMPEGAPI.net provides the tools you need for efficient multimedia processing.

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