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The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today’s digital landscape, merging videos programmatically is a crucial task for developers, content creators, and automation workflows. FFMPEGAPI.net offers a seamless solution that leverages FFmpeg's powerful capabilities without the hassle of server setup. This article explores how to utilize the Video Merge API endpoint for efficient video merging.

Understanding the Video Merge API

FFMPEGAPI.net provides a straightforward way to concatenate videos through its Video Merge API. This hosted REST API simplifies the process of downloading, normalizing, and merging multiple video files into a single MP4.

The API allows for various customizations such as audio replacement, output dimensions, subtitle burn-in, and watermark overlay, making it a versatile tool for developers.

  • Concatenate multiple video files effortlessly.
  • Optional features like audio replacement and watermarking.
  • No need for local FFmpeg installation or management.

How to Use the Video Merge Endpoint

To merge videos using the FFMPEGAPI.net, you will interact with the /api/merge_videos endpoint. This endpoint accepts several parameters that allow you to customize your video output according to your needs.

  • video_urls: An array of at least one video URL to merge.
  • audio_url: Optionally replace the audio for the output video.
  • dimensions: Specify the output resolution, e.g., 1920x1080.
  • subtitle_url: Burn in subtitles from a provided ASS/SSA file.
  • watermark_url: Add a watermark image to your final video.
  • async: Process in the background by returning a job_id.
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())

Practical Use Cases for Video Merging

Merging videos can serve a multitude of purposes, especially in automation, SaaS applications, and content production pipelines.

For instance, you may want to compile highlights from different video sources or create a cohesive presentation from multiple segments.

  • Create promotional videos by merging product highlights.
  • Compile educational content from various lectures into a single file.
  • Automate video integration into content management systems.
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"}'

FFMPEGAPI.net stands out as the best hosted solution for merging videos programmatically. With its user-friendly API, comprehensive features, and no requirement for infrastructure management, developers can focus on building their applications while effortlessly managing video processing tasks. Start leveraging the power of FFMPEGAPI.net today to enhance your video workflows.

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