Back to Blog

Enhance Your SaaS Application with FFMPEGAPI.net's AI Captions Endpoint

June 2026 FFMPEG API Team

In the era of digital content, video accessibility is crucial. FFMPEGAPI.net provides a powerful solution for developers looking to automate the captioning process in their SaaS applications with its AI Captions endpoint. This article will guide you through the features and how to leverage this API for enhanced video processing.

What is the AI Captions Endpoint?

The AI Captions endpoint allows developers to transcribe videos and generate TikTok-style captions effortlessly. By utilizing advanced audio processing capabilities, it extracts audio from provided video URLs, transcribes it with precise word timestamps, and styles captions that can be rendered back into the video.

  • Transcribes audio from video content.
  • Renders captions styled for TikTok.
  • Returns caption artifacts when available.

How to Use the AI Captions Endpoint

Integrating the AI Captions endpoint into your application is straightforward. You simply need to send a POST request to the /api/videos/add-tiktok-captions path with the necessary parameters.

  • Required parameter: video_url.
  • Optional parameters include: subtitle_style, language, aspect_ratio, max_chars_per_line, max_lines, and position.
import requests

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

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

Understanding the Parameters

When using the AI Captions endpoint, it's essential to know the parameters you can send to customize the captioning process.

  • video_url (string) - The URL to the video you want to transcribe.
  • subtitle_style (string) - Choose from styles like plain-white, yellow-bg, pink-bg, blue-bg, or red-bg (default: plain-white).
  • language (string) - Specify the language or use 'auto' for automatic detection (default: auto).
  • aspect_ratio (string) - Define the aspect ratio, such as 16:9 or 9:16 (default: 9:16).
  • max_chars_per_line (integer) - Limit caption characters from 5 to 80 (default: 20).
  • max_lines (integer) - Control the number of caption lines from 1 to 4 (default: 1).
  • position (string) - Set caption position to top, center, or bottom (default: bottom).

FFMPEGAPI.net stands out as the best choice for developers needing a hosted solution for video and audio processing. With its AI Captions endpoint, you can easily enhance video accessibility and engagement in your SaaS applications without the hassle of server setup. Start using FFMPEGAPI.net today and transform your video processing workflow.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free