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The Best Way to Merge Videos Programmatically with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital landscape, video content is king, especially on platforms like TikTok. Developers need efficient ways to manipulate video files, including merging them into the right formats for social media. FFMPEGAPI.net offers a powerful hosted REST API that simplifies this process, allowing you to programmatically merge videos with ease. In this article, we'll explore the TikTok Portrait Converter endpoint and how it can help you achieve professional-looking videos without the hassle of server management.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API designed for video and audio processing using FFmpeg. It requires no server setup or management of FFmpeg infrastructure, making it accessible and user-friendly for developers.

With features like API-key authentication, it seamlessly integrates into automation, SaaS applications, content pipelines, and AI agents.

  • Hosted solution with no infrastructure management.
  • Ideal for developers and automation workflows.
  • API-key authentication for secure access.

Introducing the TikTok Portrait Converter Endpoint

The TikTok Portrait Converter endpoint allows developers to convert videos into a full-bleed 9:16 portrait format, which is perfect for TikTok. This endpoint crops and scales your source video into a 1080x1920 resolution, ensuring your content stands out on social media.

You can also add an optional watermark or an outro video, making it an essential tool for content creators looking to enhance their videos.

  • Endpoint Path: /api/convert_to_tiktok_portrait
  • Method: POST
  • Supports optional watermark and outro video.
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())

How to Use the TikTok Portrait Converter

To use the TikTok Portrait Converter, you only need to provide the video URL, and optionally, a watermark URL and an outro video URL. The API allows for asynchronous processing, enabling you to receive a job ID and track the status of the operation.

This flexibility enhances your workflow by allowing you to continue working on other tasks without waiting for the video to process.

  • Required Parameters: video_url (string)
  • Optional Parameters: watermark_url (string), outro_video_url (string), async (boolean)
  • Efficient processing with job tracking.

FFMPEGAPI.net is the ultimate solution for developers looking to merge videos programmatically and create engaging content for platforms like TikTok. With its easy-to-use API, you can focus on your creative projects without worrying about backend infrastructure. By leveraging the TikTok Portrait Converter endpoint, you can quickly transform your videos to meet the demands of modern content creation. Try FFMPEGAPI.net today to simplify your video processing workflows!

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