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Effortlessly Merge Videos with FFMPEGAPI.net's REST API

June 2026 FFMPEG API Team

Video processing can be complex, but with FFMPEGAPI.net, developers can easily merge videos using a simple REST API. This article will guide you through the Video Merge endpoint, showcasing its capabilities and how it fits seamlessly into your development workflows.

What is the Video Merge Endpoint?

The Video Merge endpoint at FFMPEGAPI.net allows developers to concatenate multiple videos into a single MP4 file. This functionality is indispensable for SaaS applications that require video editing, such as educational platforms, content creation tools, and entertainment services.

  • Concatenates one or more video files.
  • Supports optional audio replacement.
  • Allows adjustments for output dimensions.
  • Includes features for subtitle burn-in and watermark overlays.

How to Use the /api/merge_videos Endpoint

To merge videos using our API, you need to send a POST request to the /api/merge_videos endpoint with the required parameters. Below is a breakdown of the parameters you can use.

The primary parameter is 'video_urls', which is an array of strings representing the URLs of the videos you wish to merge. You can also specify 'audio_url' for replacing the audio, 'dimensions' for setting output size, and 'subtitle_url' or 'watermark_url' for additional enhancements.

  • video_urls (required): Array of video URLs.
  • audio_url (optional): Replacement audio URL.
  • dimensions (optional): Set output dimensions like '1920x1080'.
  • subtitle_url (optional): URL for subtitles to burn in.
  • watermark_url (optional): URL for the watermark image.
  • async (optional): Process the job in the background.
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" }'

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net is the ideal solution for developers looking to incorporate video processing capabilities into their applications without the hassle of managing FFmpeg infrastructure. With API-key authentication, you can ensure secure access as you integrate video processing into your workflows.

  • No server setup required.
  • Streamlined access to FFmpeg's powerful features.
  • Perfect for automation, SaaS applications, and content pipelines.
  • Reliable performance and documentation for developers.

Merging videos using FFMPEGAPI.net's REST API is a straightforward process that enhances your application's capabilities. Its robust features and ease of integration make it a preferred choice for developers aiming to streamline video processing without the headaches of server management. Start using the Video Merge endpoint today and elevate your content creation workflows.

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