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Unlocking AI Captions for Your SaaS Application with FFMPEGAPI.net

June 2026 FFMPEG API Team

In the fast-evolving world of digital content, accessibility and user engagement are paramount. Adding captions to your videos not only makes them more accessible but also caters to users who prefer watching without sound. FFMPEGAPI.net offers a powerful solution with its AI captions feature, enabling easy integration into your SaaS applications without the hassle of server management.

What is the AI Captions API?

The AI Captions API at FFMPEGAPI.net is designed to transcribe videos and render stylish captions in a format suitable for platforms like TikTok. By simply providing a video URL, developers can seamlessly integrate automatic captioning into their applications.

  • Extracts audio from the video.
  • Transcribes audio with word-level timestamps.
  • Returns styled captions in various formats.
  • Provides caption artifact URLs when available.

How to Use the AI Captions API

To utilize the AI Captions feature, you can make a simple POST request to the API endpoint. Below are the required and optional parameters you can include in your request.

  • Required: video_url - The URL of the video you want to transcribe.
  • Optional: subtitle_style - Choose from several styles such as plain-white, yellow-bg, etc. (default: plain-white).
  • Optional: language - Specify the language code or use 'auto' for automatic detection (default: auto).
  • Optional: aspect_ratio - Set the aspect ratio to 16:9, 9:16, 4:3, or 3:4 (default: 9:16).
  • Optional: max_chars_per_line - Limit of characters per line from 5 to 80 (default: 20).
  • Optional: max_lines - Maximum number of caption lines from 1 to 4 (default: 1).
  • Optional: position - Set the caption position to top, center, or bottom (default: bottom).
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\n\nurl = 'https://ffmpegapi.net/api/videos/add-tiktok-captions'\ndata = {\n    'video_url': 'https://example.com/video.mp4',\n    'subtitle_style': 'yellow-bg',\n    'position': 'bottom'\n}\n\nresponse = requests.post(url, json=data)\nprint(response.json())

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the premier choice for developers looking to integrate video processing capabilities into their applications. Here’s why:

  • No server setup or FFmpeg infrastructure management required.
  • API-key authentication ensures secure and streamlined workflows.
  • Designed for ease of use, making it ideal for automation and content pipelines.
  • Robust documentation and support for developers at all levels.

Integrating AI captions into your SaaS application has never been easier with FFMPEGAPI.net. By leveraging the simplicity and power of this hosted FFmpeg REST API, you can enhance user experience and accessibility with minimal effort. Start using the AI Captions endpoint today to transform your video content!

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