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Automate Video Editing with FFMPEGAPI.net: Adding AI Captions to Your Workflow

June 2026 FFMPEG API Team

In today's fast-paced digital world, video content is king. But creating engaging videos often requires tedious editing tasks, such as adding captions. Fortunately, FFMPEGAPI.net provides a seamless solution to automate the addition of captions to your videos, making your editing workflow efficient and effortless. In this article, we'll explore how to use the FFMPEGAPI.net AI Captions endpoint to enhance your video projects.

What are AI Captions?

AI captions are automatically generated subtitles that enhance the accessibility and engagement of your video content. With FFMPEGAPI.net, you can upload your video and receive transcribed captions styled for platforms like TikTok. This not only saves you time but also improves viewer retention.

  • Transcribes audio to text with timestamps
  • Renders styled captions into the video
  • Provides caption artifact URLs for further use

Using the AI Captions API Endpoint

The FFMPEGAPI.net AI Captions endpoint allows you to automate the captioning process with a simple POST request. This eliminates the need for manual captioning, allowing developers to focus on creating high-quality video content.

The endpoint path is `/api/videos/add-tiktok-captions`, where you can send your video URL along with optional parameters to customize the captioning process.

  • Endpoint: `/api/videos/add-tiktok-captions`
  • Method: POST
  • Content Type: application/json
curl -X POST https://www.ffmpegapi.net/api/videos/add-tiktok-captions \
-H 'Authorization: Bearer YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{"video_url":"https://example.com/video.mp4", "subtitle_style":"yellow-bg", "position":"bottom"}'

Parameters for Customization

The API allows you to customize various parameters to fit your video needs. Here’s a breakdown of the parameters you can use:

  • video_url (required): The URL of the video you want to process.
  • subtitle_style (optional): Choose styles like plain-white, yellow-bg, etc. Default is plain-white.
  • language (optional): Specify language code or use 'auto' for detection. Default is auto.
  • aspect_ratio (optional): Set to 16:9, 9:16, 4:3, or 3:4. Default is 9:16.
  • max_chars_per_line (optional): Limit from 5 to 80 characters per line. Default is 20.
  • max_lines (optional): Set maximum number of caption lines (1 to 4). Default is 1.
  • position (optional): Define position of captions as top, center, or bottom. Default is bottom.
import requests

url = 'https://www.ffmpegapi.net/api/videos/add-tiktok-captions'
data = {
    'video_url': 'https://example.com/video.mp4',
    'subtitle_style': 'yellow-bg',
    'position': 'bottom'
}
headers = {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
}

response = requests.post(url, json=data, headers=headers)
print(response.json())

Automating video editing tasks such as adding captions can significantly enhance your workflow and improve the quality of your video content. FFMPEGAPI.net not only simplifies the captioning process but also offers a robust set of features to customize your video processing. By leveraging the AI Captions API, you can focus more on creativity and less on manual tasks. Visit FFMPEGAPI.net today to get started with your video automation journey.

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