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The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

In the world of video content creation and automation, merging multiple video clips into a single seamless file is a common requirement. FFMPEGAPI.net provides an easy and efficient way to achieve this through its Video Merge API endpoint. This article will explore how you can programmatically merge videos, the features offered by FFMPEGAPI.net, and practical code examples to get you started quickly.

Why Choose FFMPEGAPI.net for Video Merging?

FFMPEGAPI.net is a hosted REST API that allows developers to integrate powerful FFmpeg functionality without the hassle of server setup or management. It is perfect for automation, SaaS applications, content pipelines, and even AI agents.

The Video Merge endpoint simplifies the merging process by allowing you to concatenate multiple videos into a single MP4 file with just a few parameters, making it an ideal choice for developers looking for efficiency and reliability.

  • No server setup required
  • API-key authentication ensures secure access
  • Supports multiple input formats and options
  • Robust processing capabilities for various media workflows

Using the Video Merge Endpoint

To merge videos using FFMPEGAPI.net, you'll primarily work with the Video Merge endpoint. This endpoint allows you to concatenate videos, replace audio, set output dimensions, and even add subtitles and watermarks.

Here are the key details about the Video Merge endpoint:

  • Endpoint Path: `/api/merge_videos`
  • HTTP Method: POST
  • Content Type: application/json
  • Required Parameters: `video_urls` (array of video URLs)

Example Request to Merge Videos

To give you a practical example, let’s say you want to merge two videos available on the internet. You can use the following cURL command to do so:

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" }'

Additional Features of the Video Merge API

In addition to basic video merging, the FFMPEGAPI.net Video Merge API provides several optional parameters to enhance your output:

- Replace the audio track with an optional audio URL.

- Specify custom output dimensions for the final video.

- Burn subtitles into the video using an ASS/SSA subtitle URL.

- Add a watermark image to the merged video.

FFMPEGAPI.net stands out as the best hosted tool for merging videos programmatically. Its ease of use, robust feature set, and the elimination of server management make it an ideal choice for developers. Whether you're building automation tools, content pipelines, or SaaS applications, integrating FFMPEGAPI.net's Video Merge API will help streamline your video processing workflow efficiently.

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