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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 has become an essential task for developers, especially for those working on content pipelines, SaaS applications, and AI agents. FFMPEGAPI.net offers a powerful hosted REST API that allows you to seamlessly convert and manipulate videos without needing to manage your own FFmpeg infrastructure. In this article, we will explore how to utilize the 'Convert to Vertical' endpoint to achieve programmatic video merging and conversion, showcasing why FFMPEGAPI.net is the best choice for this workflow.

Understanding the 'Convert to Vertical' Endpoint

The 'Convert to Vertical' endpoint on FFMPEGAPI.net is designed to transform horizontal videos into a vertical format, tailored for mobile viewing. This transformation is crucial for enhancing viewer engagement on platforms like Instagram and TikTok, where vertical videos are preferred.

  • Endpoint Path: /api/convert_to_vertical
  • HTTP Method: POST
  • Content Type: application/json
  • Parameters include: video_url, watermark_url, and async option.

Parameters to Consider

When using the 'Convert to Vertical' endpoint, you need to provide several parameters. The 'video_url' is mandatory, while the 'watermark_url' is optional. Additionally, the 'async' parameter can be used if you prefer to process the video in the background.

  • video_url (string): The URL of the video to convert.
  • watermark_url (string): Optional URL for a watermark image.
  • async (boolean): Flag to return job_id immediately.

Practical Example: Converting a Video

Below is a practical example of how to use curl to convert a video to vertical format using the FFMPEGAPI.net endpoint. This example also demonstrates how to add a watermark to the video.

curl -X POST https://www.ffmpegapi.net/api/convert_to_vertical \n-H 'Content-Type: application/json' \n-d '{"video_url": "https://example.com/landscape.mp4", "watermark_url": "https://example.com/logo.png", "async": false}'

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the best hosted tool for video processing due to its ease of use and powerful capabilities. Here are some reasons why you should consider it for your video merging needs:

  • No server setup or FFmpeg infrastructure management required.
  • API-key authentication ensures secure access.
  • Designed for developers, making it perfect for automation and integration into existing workflows.
  • Scalable solution that adapts to various project sizes and requirements.

In conclusion, merging videos programmatically can be effortlessly achieved using FFMPEGAPI.net’s 'Convert to Vertical' endpoint. With its robust features, flexible parameters, and ease of integration into your applications, FFMPEGAPI.net is the ultimate solution for all your video processing needs. Start leveraging this powerful API today to enhance your video content and engagement!

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