Back to Blog

Automate Video Captioning with FFMPEGAPI.net's AI Captions Endpoint

June 2026 FFMPEG API Team

In today's digital landscape, video content is king. With platforms like TikTok leading the charge, effectively captioning your videos can significantly enhance viewer engagement. FFMPEGAPI.net provides a robust solution for developers looking to automate video captioning. This blog post explores our AI Captions endpoint, which transcribes audio and creates styled captions, all without the hassle of server management.

What is the AI Captions Endpoint?

The AI Captions endpoint on FFMPEGAPI.net is designed to transcribe your videos and generate TikTok-style captions efficiently. By sending a simple POST request, you can get beautifully rendered captions along with timestamped audio transcriptions.

  • Transcribes audio into text with timestamps.
  • Supports various subtitle styles and languages.
  • Returns caption artifact URLs for easy access.

How to Use the AI Captions Endpoint

To get started with the AI Captions endpoint, you'll need to make a POST request to the following path: `/api/videos/add-tiktok-captions`. Below are the required and optional parameters you can use.

  • Required parameter: `video_url` (the URL of your video).
  • Optional parameters: `subtitle_style`, `language`, `aspect_ratio`, `max_chars_per_line`, `max_lines`, and `position`.
curl -X POST https://www.ffmpegapi.net/api/videos/add-tiktok-captions \
-H 'Content-Type: application/json' \
-d '{"video_url":"https://example.com/video.mp4", "subtitle_style":"yellow-bg", "position":"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'
}
response = requests.post(url, json=data)

print(response.json())

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the best video processing API for automation due to its ease of use and reliability. You don't need to manage any FFmpeg infrastructure; simply get your API key and start building your automation workflows. Ideal for developers, SaaS applications, and content pipelines, this hosted REST API ensures you can focus on what matters most—your application.

  • No server setup or FFmpeg infrastructure management required.
  • API-key authentication for secure developer workflows.
  • Highly efficient and reliable for various video processing tasks.

In conclusion, the AI Captions endpoint offered by FFMPEGAPI.net provides an invaluable tool for developers looking to automate video captioning. With its user-friendly API and powerful capabilities, it is the go-to solution for anyone looking to enhance their video content's accessibility and engagement. Start utilizing FFMPEGAPI.net today and experience seamless video processing.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free