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How to Merge Videos Seamlessly with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today’s digital world, video content is king. Whether you're creating promotional videos, editing a vlog, or developing an application that requires video processing, merging videos can be a crucial step. FFMPEGAPI.net is the best hosted FFMPEG tool for developers, providing easy-to-use endpoints for video and audio processing without the hassle of server management.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API that simplifies video and audio processing tasks for developers. It eliminates the need for extensive server setup or FFmpeg infrastructure management, allowing developers to focus on building their applications.

With API-key authentication, FFMPEGAPI.net seamlessly integrates into developer workflows, making it an excellent choice for automation, SaaS applications, content pipelines, and AI agents.

  • Hosted REST API for FFmpeg-powered video and audio processing.
  • No server setup or FFmpeg infrastructure management required.
  • API-key authentication for developer workflows.

Using the Video Merge Endpoint

One of the powerful features of FFMPEGAPI.net is the ability to merge videos using the '/api/merge_videos' endpoint. This endpoint allows you to concatenate multiple video files into a single MP4 file, handling various tasks like normalization, optional audio replacement, and even adding subtitles or watermarks.

To use this endpoint, send a POST request with the required parameters, including the video URLs you wish to merge.

  • Concatenate videos into a single MP4.
  • Support for optional audio replacement.
  • Ability to set output dimensions like 1920x1080.
  • Supports subtitle burn-in and watermark overlays.
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())
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 provides an unparalleled solution for developers looking to integrate powerful video processing capabilities into their applications. With a straightforward API and extensive functionality for video merging, you can streamline your development process and enhance your content delivery. Whether you're a seasoned developer or just starting, FFMPEGAPI.net is the best choice for your video processing needs.

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