Back to Blog

Effortlessly Add Subtitles to Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

If you're looking to enhance your video content by adding subtitles, FFMPEGAPI.net is the ultimate hosted solution for developers. Our powerful API allows you to easily burn ASS subtitles into your videos without the hassle of server setup or FFmpeg infrastructure management.

Why Use FFMPEGAPI.net for Subtitling?

FFMPEGAPI.net provides a quick and efficient way to handle video and audio processing tasks. One of the standout features is the ability to add subtitles to videos on-the-fly. This is essential for developers working on automation, SaaS applications, or content pipelines.

  • No server setup required.
  • API-key authentication to secure your workflows.
  • Ideal for AI agents and automation.

Using the Add Subtitles API Endpoint

The Add Subtitles endpoint allows you to burn ASS subtitles into a video. By sending a POST request with the video and subtitle URLs, you can process your videos efficiently with just a few lines of code.

Here’s a brief overview of the parameters needed for the request:

  • video_url: The URL of the video (required).
  • subtitle_url: The URL of the ASS/SSA subtitle file (required).
  • async: A boolean to process in the background and return a job ID immediately (optional).
import requests

url = 'https://www.ffmpegapi.net/api/add_subtitles'
data = {
    'video_url': 'https://example.com/video.mp4',
    'subtitle_url': 'https://example.com/subtitles.ass'
}
response = requests.post(url, json=data)
print(response.json())
curl -X POST https://www.ffmpegapi.net/api/add_subtitles \
-H 'Content-Type: application/json' \
-d '{"video_url": "https://example.com/video.mp4", "subtitle_url": "https://example.com/subtitles.ass"}'

Advantages of Using FFMPEGAPI.net

By choosing FFMPEGAPI.net, you not only save time and resources but also gain access to a robust suite of video processing features. The API is designed with developers in mind, ensuring that all operations are straightforward and well-documented.

  • Scalable solutions for any project size.
  • High reliability and performance.
  • Comprehensive documentation and support.

Integrating subtitle burning into your video processing workflow has never been easier. With FFMPEGAPI.net's Add Subtitles endpoint, you can automate this process seamlessly. Start enhancing your video content today and experience the benefits of the best video processing API for automation.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free