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Enhance Your Content with AI Captions Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's content-driven world, adding captions to videos has become essential for increasing engagement and accessibility. With FFMPEGAPI.net, you can effortlessly implement advanced video editing capabilities, such as generating TikTok-style captions, without the need for server management. This article will guide you through the process of using our AI Captions API, demonstrating how it simplifies video processing for developers.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API that provides powerful FFmpeg-powered audio and video processing capabilities. Designed for developers, it eliminates the hassle of server setup and infrastructure management.

With API-key authentication, it's easy to integrate this tool into your automation workflows, SaaS applications, content pipelines, and even AI agents.

  • No server setup required.
  • Programmatic video editing.
  • Ideal for developers looking to automate processes.

Using the AI Captions API

The AI Captions API allows you to transcribe audio and create styled captions for your videos. By simply sending a POST request to the /api/videos/add-tiktok-captions endpoint, you can enhance your video content with minimal effort.

This API extracts audio from your video, transcribes it with word timestamps, and renders the captions directly into the video. Additionally, it returns URLs for the caption artifacts when available.

  • Endpoint: /api/videos/add-tiktok-captions
  • Method: POST
  • Content Type: application/json
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())

Parameters for AI Captions

When using the AI Captions API, you can customize various parameters to suit your needs. Here are the available parameters:

  • video_url (required): The URL of the video you want to process.
  • subtitle_style (optional): The style of the subtitles (e.g., plain-white, yellow-bg).
  • language (optional): The language code for transcription (default: auto).
  • aspect_ratio (optional): The desired aspect ratio (default: 9:16).
  • max_chars_per_line (optional): Limit on the number of characters per line (default: 20).
  • max_lines (optional): Maximum number of lines to display (default: 1).
  • position (optional): Position of the captions (default: bottom).

With FFMPEGAPI.net's AI Captions API, you can simplify the process of adding captions to your videos while focusing on your core development tasks. By leveraging this hosted solution, you eliminate the need for complex setups and can quickly integrate captioning features into your workflows. Start enhancing your video content today with FFMPEGAPI.net and experience the benefits of programmatic video editing without managing servers.

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