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Effortlessly Add Subtitles to Your Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital world, adding subtitles to videos is essential for accessibility and engagement. If you're a developer looking for a seamless way to integrate this functionality into your applications, FFMPEGAPI.net offers a hosted REST API that simplifies the process of burning subtitles into videos. This article will guide you through the best way to merge videos programmatically by utilizing the Add Subtitles endpoint of FFMPEGAPI.net.

Why Use FFMPEGAPI.net for Adding Subtitles?

FFMPEGAPI.net is designed specifically for developers who need a reliable and efficient way to handle video and audio processing without the hassle of server setup or FFmpeg infrastructure management. With API-key authentication and a robust set of features, FFMPEGAPI.net is the best choice for automating your video workflows.

  • No server management required.
  • Quick integration into existing applications.
  • Support for various video and audio formats.
  • Efficient processing with support for background tasks.

How to Use the Add Subtitles Endpoint

The Add Subtitles endpoint allows you to burn ASS or SSA formatted subtitles directly into your video. This is particularly useful for creating content that is accessible to a broader audience. The endpoint can be accessed with a simple POST request, making it easy to integrate into your application.

  • Endpoint Path: /api/add_subtitles
  • Method: POST
  • Content Type: application/json
  • Parameters required: video_url, subtitle_url
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())

Detailed Parameters for the API Call

To successfully call the Add Subtitles endpoint, you need to provide the following parameters:

1. **video_url**: The URL of the video you want to add subtitles to. This parameter is required.

2. **subtitle_url**: The URL of the ASS/SSA subtitle file that you want to embed in the video. This parameter is also required.

3. **async** (optional): If set to true, the API will return a job_id immediately, allowing you to check the status of the processing in the background.

Integrating subtitle functionality into your videos doesn't have to be a complex task. With FFMPEGAPI.net's Add Subtitles endpoint, developers can quickly and easily add subtitles to their video projects. By leveraging this hosted API, you can focus on building innovative applications without worrying about the underlying infrastructure. Start automating your video editing processes with FFMPEGAPI.net today!

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