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Streamline Your Video Workflow with FFMPEGAPI.net's Video Merge Endpoint

June 2026 FFMPEG API Team

In the ever-evolving world of video content creation, having a reliable and efficient tool for video processing is essential. FFMPEGAPI.net offers a powerful hosted REST API for FFmpeg-powered video and audio processing, eliminating the need for any server setup or FFmpeg infrastructure management. This article will explore the Video Merge endpoint, a valuable tool for developers looking to concatenate videos effortlessly.

What is the Video Merge Endpoint?

The Video Merge endpoint at FFMPEGAPI.net allows developers to concatenate multiple video files into a single MP4 file. This service downloads the specified videos, normalizes them as necessary, and combines them seamlessly. The endpoint supports various features, including audio replacement, output dimensions, subtitle burn-in, and watermark overlay.

  • Concatenates multiple videos into one.
  • Supports optional audio replacement.
  • Allows for custom output dimensions.
  • Includes subtitle burn-in capabilities.
  • Enables watermark overlays for branding.

API Endpoint Details

The Video Merge API is accessed via a POST request to the endpoint /api/merge_videos. It requires an API key for authentication, ensuring secure access for developers who integrate it into their applications.

  • Method: POST
  • Endpoint Path: /api/merge_videos
  • Content Type: application/json

Using the Video Merge API: Parameters

To successfully use the Video Merge endpoint, you'll need to provide certain parameters. The most crucial is the 'video_urls' array, which requires at least one URL to the videos you wish to merge.

  • video_urls: Array of strings (required)
  • audio_url: String (optional) for audio replacement
  • dimensions: String (optional) for output dimensions, e.g., '1920x1080'
  • subtitle_url: String (optional) for burning subtitles
  • watermark_url: String (optional) for adding a watermark
  • async: Boolean (optional) for background processing
{ "video_urls": ["https://example.com/intro.mp4", "https://example.com/main.mp4"], "dimensions": "1920x1080" }

Practical Example Using cURL

Here’s how you can use cURL to make a request to the Video Merge API. This example demonstrates merging two videos with specified output dimensions.

curl -X POST https://ffmpegapi.net/api/merge_videos \n -H 'Authorization: Bearer YOUR_API_KEY' \n -H 'Content-Type: application/json' \n -d '{ "video_urls": ["https://example.com/intro.mp4", "https://example.com/main.mp4"], "dimensions": "1920x1080" }'

FFMPEGAPI.net provides a comprehensive and efficient solution for developers needing a cloud-based alternative to traditional FFmpeg setups. The Video Merge endpoint simplifies video processing workflows, allowing for quick and easy concatenation of video files without the hassle of managing infrastructure. Whether you're building automation tools, SaaS applications, or content pipelines, FFMPEGAPI.net has you covered with secure and reliable video processing capabilities.

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