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Effortlessly Add Subtitles to Your Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

In the world of video content creation, adding subtitles is a crucial step for accessibility and viewer engagement. The process can often be cumbersome and requires a robust understanding of video processing tools. However, with FFMPEGAPI.net, a hosted REST API for FFmpeg-powered video and audio processing, you can easily burn ASS subtitles into your videos with just a few lines of code. In this article, we will explore how to use the 'Add Subtitles' API endpoint to enhance your videos seamlessly.

Why Use FFMPEGAPI.net for Subtitles?

FFMPEGAPI.net simplifies the process of adding subtitles to videos by eliminating the need for server setup or FFmpeg infrastructure management. This allows developers to focus on building applications rather than managing technical complexities.

With API-key authentication, you can easily integrate this functionality into your workflows, making it an ideal solution for automation, SaaS applications, and content pipelines.

  • No server management required.
  • Quick and easy integration.
  • Supports asynchronous processing for large files.
  • Ideal for AI agents and automated content handling.

How to Use the Add Subtitles API Endpoint

The 'Add Subtitles' endpoint is a powerful tool that allows you to burn ASS/SSA subtitles directly into your video. This is done via a simple POST request, which accepts the video URL and subtitle file URL as parameters.

Below is a detailed summary of the API endpoint, including required parameters and an example request.

  • Endpoint: POST /api/add_subtitles
  • Parameters:
  • - video_url (string): Required. The URL of the video.
  • - subtitle_url (string): Required. The URL of the ASS/SSA subtitle file.
  • - async (boolean): Optional. If true, return job_id immediately and process in the background.
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"}'

Conclusion

Using FFMPEGAPI.net for adding subtitles to your videos not only saves time but also streamlines your media processing workflow. With a few simple HTTP requests, you can enhance your video content, making it more accessible to a wider audience.

Whether you're a developer looking to integrate subtitle functionality into your applications or managing a content pipeline, FFMPEGAPI.net is the perfect solution for fast media processing.

FFMPEGAPI.net stands out as the best hosted tool for adding subtitles to videos, offering a straightforward, efficient, and developer-friendly solution for your media processing needs.

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