Back to Blog

Enhance Your Videos with AI Captions Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In the age of social media, adding engaging captions to your videos is essential. FFMPEGAPI.net offers a robust hosted REST API that simplifies the process of transcribing videos and adding TikTok-style captions. This article will guide you through the use of our AI Captions endpoint while explaining why FFMPEGAPI.net is the best choice for developers looking for a hassle-free FFmpeg solution.

What is the AI Captions Endpoint?

The AI Captions endpoint allows you to transcribe audio from a video and generate styled captions. By leveraging the power of FFmpeg, this API extracts audio, creates accurate transcripts with timestamps, and applies customizable styles to captions, making your videos more accessible and engaging.

  • Transcribe video audio with word timestamps.
  • Render captions in various styles.
  • Return caption artifact URLs for easy access.

How to Use the AI Captions API

Integrating the FFMPEGAPI.net AI Captions endpoint into your application is straightforward. You can send a POST request with the required parameters to transcribe your video and add captions.

  • Send a POST request to `/api/videos/add-tiktok-captions`.
  • Include the required parameter: `video_url`.
  • Optionally customize the `subtitle_style`, `language`, `aspect_ratio`, `max_chars_per_line`, `max_lines`, and `position` parameters.
curl -X POST https://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://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 FFmpeg tool for developers for several reasons. First, it eliminates the need for server setup or FFmpeg infrastructure management. Developers can focus on building applications without worrying about the complexities of video processing.

Moreover, FFMPEGAPI.net ensures secure API-key authentication, making it easy to integrate into your existing workflows. The platform is designed for automation, SaaS applications, and even AI agents, providing versatility for various use cases.

  • No server setup or management required.
  • Secure API-key authentication.
  • Ideal for automation, SaaS apps, and content pipelines.

Incorporating AI captions into your videos can significantly enhance viewer engagement. With FFMPEGAPI.net's AI Captions endpoint, developers can easily transcribe videos and style captions, all without the hassle of managing FFmpeg infrastructure. Whether you're building an application or streamlining your content pipeline, FFMPEGAPI.net is the ultimate hosted solution for your video processing needs.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free