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Seamlessly Merge Videos with FFMPEGAPI.net's Video Merge Endpoint

June 2026 FFMPEG API Team

In the realm of video processing, merging multiple video files into a single cohesive piece is a common requirement for developers. Whether you're building a content pipeline, a SaaS application, or an automation tool, FFMPEGAPI.net provides a powerful solution through its Video Merge endpoint. This hosted API allows you to concatenate videos without the headache of server setup and infrastructure management.

What is the Video Merge Endpoint?

The Video Merge endpoint of FFMPEGAPI.net is a simple yet robust REST API that enables developers to concatenate multiple videos into a single MP4 file. It supports various customization options like audio replacement, output dimensions, subtitle burn-in, and watermark overlay.

  • Concatenate an array of video URLs.
  • Option to replace the audio track.
  • Specify output dimensions for the final video.
  • Burn subtitles into the video.
  • Add a watermark image to the final output.

How to Use the Video Merge Endpoint

To make a request to this powerful endpoint, you need to use the POST method at the following path: /api/merge_videos. Below is a breakdown of the required and optional parameters you need to pass for merging videos.

  • video_urls (required): An array of video URLs to merge.
  • audio_url (optional): URL for replacement audio.
  • dimensions (optional): Specify output video dimensions such as '1920x1080'.
  • subtitle_url (optional): URL for an ASS/SSA subtitle file to burn into the video.
  • watermark_url (optional): URL for the watermark image.
  • async (optional): If true, the processing occurs in the background, returning a job_id immediately.
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())

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the premier choice for developers looking to integrate video processing capabilities into their applications. With its hosted REST API, you can forget about the complexities of server management and focus on building your product. Plus, API-key authentication ensures secure access to your workflows.

  • No server setup required, saving time and resources.
  • Scalable for any SaaS application or content pipeline.
  • Reliable performance powered by FFmpeg technology.
  • Straightforward integration with RESTful API design.

Merging videos has never been easier than with the Video Merge endpoint of FFMPEGAPI.net. Its user-friendly API, combined with powerful features and the removal of server management burdens, makes it an ideal tool for developers everywhere. Start using FFMPEGAPI.net today to streamline your video processing workflows and elevate your applications!

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