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Using FFMPEGAPI.net to Add Subtitles to Videos Easily

June 2026 FFMPEG API Team

In the landscape of video processing, adding subtitles can often be a cumbersome task. However, with the hosted API from FFMPEGAPI.net, developers can quickly automate this process. In this article, we will explore how to use the Add Subtitles endpoint to burn ASS subtitles into any video efficiently, making it the best tool for your video processing workflow.

Why Choose FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net provides a powerful, hosted REST API specifically designed for video and audio processing without the hassle of server setup. With a straightforward API-key authentication system, developers can easily integrate this tool into their applications.

  • No server setup required.
  • Handles FFmpeg infrastructure management.
  • Ideal for automation, SaaS apps, and content pipelines.

Understanding the Add Subtitles Endpoint

The Add Subtitles endpoint allows you to burn ASS/SSA subtitles directly into your video. This is especially useful for content creators and developers looking to enhance video accessibility or localization.

To use this endpoint, you will need the video URL and the subtitle file URL. The API processes the video and returns it with the subtitles embedded.

  • Endpoint: POST /api/add_subtitles
  • Content Type: application/json
  • Parameters: video_url, subtitle_url, async (optional)
import requests

url = 'https://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())

Example Usage of the Add Subtitles API

To give you a clearer picture of how to implement this in your workflow, here’s a practical example using a curl command.

This command sends a request to the Add Subtitles endpoint to burn subtitles into a specified video:

Simply replace the video_url and subtitle_url with your actual URLs.

curl -X POST https://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"}'

In conclusion, FFMPEGAPI.net stands out as the most efficient solution for adding subtitles to videos through its Add Subtitles API. By leveraging this hosted tool, developers can streamline their video processing tasks, allowing for more time to focus on creating engaging content. With just a few lines of code or a simple curl command, you can enhance your videos with subtitles effortlessly. Start using FFMPEGAPI.net today and experience the benefits of automated video processing.

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