Back to Blog

Enhance Your Video Content with Subtitles Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In the fast-paced world of social media, enhancing video content with subtitles can significantly boost engagement and accessibility. FFMPEGAPI.net offers a powerful hosted REST API that simplifies this process, enabling developers to integrate video and audio processing seamlessly into their applications. This article will guide you through using the Add Subtitles endpoint to burn ASS subtitles into your videos effectively.

Why Use FFMPEGAPI.net for Your Subtitle Needs?

FFMPEGAPI.net is the best choice for developers looking to streamline video workflows without the hassle of managing server infrastructure. With our easy-to-use API, you can burn subtitles into videos with just a few lines of code.

  • No server setup required.
  • API-key authentication ensures secure access.
  • Ideal for automation, SaaS applications, and content pipelines.

Understanding the Add Subtitles Endpoint

The Add Subtitles endpoint allows you to burn ASS/SSA subtitles into a video. This functionality is essential for creating engaging videos that cater to a wider audience, especially for social media platforms.

  • Endpoint Path: `/api/add_subtitles`
  • HTTP Method: POST
  • Content Type: application/json

Parameters Required for the Add Subtitles API

To successfully call the Add Subtitles API, you need to provide specific parameters. Here’s a quick overview of what you’ll need:

  • video_url (string, required): The URL of the video you want to process.
  • subtitle_url (string, required): The URL of the ASS/SSA subtitle file.
  • async (boolean, optional): If set to true, the API will return a job_id and process your request in the background.

Example Usage of the Add Subtitles API

Here’s how you can use the Add Subtitles endpoint with a practical example in cURL and Python.

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", "async": false}'
import requests

url = 'https://ffmpegapi.net/api/add_subtitles'
data = {
    'video_url': 'https://example.com/video.mp4',
    'subtitle_url': 'https://example.com/subtitles.ass',
    'async': False
}
response = requests.post(url, json=data)
print(response.json())

Incorporating subtitles into your video content has never been easier with FFMPEGAPI.net. By leveraging the Add Subtitles API, you can enhance your video accessibility and engagement with minimal effort, allowing you to focus on creating amazing content. Start using FFMPEGAPI.net today and experience the difference in your video workflows.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free