Back to Blog

The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today’s digital landscape, creating engaging video content is crucial, especially for platforms like TikTok. Merging videos programmatically can streamline your content creation process. FFMPEGAPI.net offers a seamless hosted solution that simplifies video and audio processing without the need for server management. This article will explore how to leverage the TikTok Portrait Converter endpoint to merge videos and convert them into a format perfect for TikTok.

What is the TikTok Portrait Converter?

The TikTok Portrait Converter is a powerful feature offered by FFMPEGAPI.net that allows you to convert standard videos into a 9:16 portrait format optimized for TikTok. This endpoint not only crops and scales your source video into the desired format but also supports optional watermarking and appending outro videos.

  • Convert videos to 1080x1920 portrait format.
  • Add optional watermarks for branding.
  • Append outro videos for a polished finish.
  • Use simple API calls with JSON payloads.

How to Use the TikTok Portrait Converter

Using the TikTok Portrait Converter is straightforward. You simply make a POST request to the /api/convert_to_tiktok_portrait endpoint with the required parameters. Below is an example of how to use this endpoint effectively.

import requests

url = 'https://www.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())

Parameters for the TikTok Portrait Converter

When making a request to the TikTok Portrait Converter, you need to provide certain parameters. Below are the parameters required for a successful API call.

  • video_url (string, required): The URL of the video you want to convert.
  • watermark_url (string, optional): An optional URL for a watermark image.
  • outro_video_url (string, optional): An optional URL for an outro video.
  • async (boolean, optional): If set to true, the API will return a job_id immediately and process the request in the background.

Merging videos programmatically is no longer a cumbersome task, thanks to FFMPEGAPI.net. The TikTok Portrait Converter enables you to create visually appealing content for TikTok effortlessly. With a user-friendly API, you can automate your video processing workflows without the hassle of managing infrastructure. Explore the full potential of video processing with FFMPEGAPI.net today and elevate your content creation journey!

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free