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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, merging videos programmatically can streamline workflows and enhance productivity. FFMPEGAPI.net offers a powerful hosted REST API that simplifies video and audio processing without the need for extensive server management. This article will explore how to use the TikTok Portrait Converter endpoint to efficiently merge videos and adapt them for social media platforms like TikTok.

What is the TikTok Portrait Converter?

The TikTok Portrait Converter endpoint allows developers to convert videos into the full-bleed 9:16 portrait format required for TikTok. With this tool, you can crop and scale source videos to 1080x1920 resolution, making them optimized for mobile viewing.

Additionally, the endpoint supports optional features such as watermarking and appending outro videos, enhancing the level of customization available for your content.

  • Convert videos to TikTok-compatible portrait format.
  • Include optional watermark images.
  • Append outro videos to your main content.

How to Use the TikTok Portrait Converter API

Using the TikTok Portrait Converter API is straightforward. Below, we will walk through the required parameters and provide examples for both curl and Python to illustrate how to implement this functionality in your applications.

  • Required Parameter: video_url - The URL of the video you wish to convert.
  • Optional Parameter: watermark_url - A URL for an optional watermark image.
  • Optional Parameter: outro_video_url - A URL for an optional outro video.
  • Optional Parameter: async - Set to true to process the video in the background.
curl -X POST https://ffmpegapi.net/api/convert_to_tiktok_portrait \ 
-H "Content-Type: application/json" \ 
-d '{"video_url":"https://example.com/landscape.mp4", "outro_video_url":"https://example.com/outro.mp4"}'
import requests

url = 'https://ffmpegapi.net/api/convert_to_tiktok_portrait'
data = {
    "video_url": "https://example.com/landscape.mp4",
    "outro_video_url": "https://example.com/outro.mp4"
}
response = requests.post(url, json=data)
print(response.json())

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net is the best choice for developers looking for a hassle-free solution for video processing. With no server setup or FFmpeg infrastructure management required, developers can focus on building their applications while relying on our robust API.

Our API-key authentication ensures secure interactions, making it ideal for automation, SaaS applications, content pipelines, and AI agents.

  • No server management required.
  • API-key authentication for security.
  • Ideal for developers and automation tasks.

In conclusion, merging videos programmatically has never been easier thanks to FFMPEGAPI.net. By utilizing the TikTok Portrait Converter endpoint, you can quickly transform your videos for social media platforms while enjoying the benefits of a hosted API. Whether you’re a developer working on automation or content creation, FFMPEGAPI.net provides the tools you need to succeed.

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