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Seamless Video Merging with FFMPEGAPI.net: The Ultimate Guide

June 2026 FFMPEG API Team

Are you looking for a reliable solution to merge videos quickly and efficiently? With FFMPEGAPI.net's Video Merge API, you can concatenate multiple video files into a single MP4 effortlessly. Our hosted REST API for FFmpeg-powered video and audio processing eliminates the need for server setup, making it ideal for developers and SaaS applications. In this article, we’ll guide you through the process of using our API for merging videos, exploring its features and advantages.

Overview of the Video Merge API

The Video Merge API at FFMPEGAPI.net allows you to merge one or more videos seamlessly into a single MP4 file. It is designed to handle various scenarios, whether you need to normalize videos, replace audio, or add subtitles and watermarks.

This API is particularly useful for developers looking to automate their video processing workflows without the hassle of maintaining FFmpeg infrastructure.

  • Concatenate multiple videos effortlessly.
  • Optional features include audio replacement, subtitle burn-in, and watermark overlay.
  • No server maintenance required – just use the API.

How to Use the Video Merge API

Using the Video Merge API is straightforward. You need to send a POST request to the /api/merge_videos endpoint with the required parameters. Below are the details on how to structure your request.

The primary required parameter is video_urls, which must include at least one URL to the videos you wish to merge.

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())

API Parameters Explained

Here are the parameters you can include in your request to customize the video merging process:

1. **video_urls**: (required) An array of strings containing the URLs of the videos to merge.

2. **audio_url**: (optional) A URL for replacement audio.

3. **dimensions**: (optional) Specify output dimensions, such as 1920x1080.

4. **subtitle_url**: (optional) A URL to an ASS/SSA subtitle file to be burned into the video.

FFMPEGAPI.net offers a powerful, hosted solution that simplifies video merging for developers and SaaS applications. With our easy-to-use Video Merge API, you can focus on building your product without worrying about the complexities of video processing. Whether you're automating content pipelines or enhancing your application with video features, FFMPEGAPI.net is your go-to solution. Start merging videos with our API today!

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