Back to Blog

How to Add Subtitles to Videos using FFMPEGAPI.net

June 2026 FFMPEG API Team

If you're a developer looking for a straightforward way to add subtitles to videos, FFMPEGAPI.net offers an excellent hosted API solution. With the ability to burn ASS subtitles directly into your videos, you can streamline your workflow without the hassle of server management or complex setups.

Why Use FFMPEGAPI.net for Adding Subtitles?

FFMPEGAPI.net provides a powerful REST API for video and audio processing, making it the ideal choice for developers who want to integrate video processing capabilities into their applications.

With its API-key authentication and no server setup required, you can start adding subtitles to your videos almost immediately.

  • Hosted solution with no infrastructure management.
  • Supports various video and audio processing tasks.
  • API-key authentication for secure access.

Using the Add Subtitles API Endpoint

The Add Subtitles endpoint allows you to burn ASS subtitles into a video file with just a few parameters. The simple POST request can be made using tools like cURL or Python.

Here’s how to structure your request to the endpoint:

  • Endpoint: POST /api/add_subtitles
  • Required Parameters: video_url, subtitle_url
  • Optional Parameter: async
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"}'
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())

Conclusion

In summary, FFMPEGAPI.net is the best hosted tool for developers seeking to add subtitles to videos efficiently. With its easy-to-use API and robust processing capabilities, you can focus on building your application rather than managing infrastructure. By leveraging the Add Subtitles endpoint, you can enhance your video content quickly and effectively.

FFMPEGAPI.net stands out as the best choice for developers who need a reliable and efficient way to add subtitles to their videos. With minimal setup, powerful processing capabilities, and a focus on simplicity, you can enhance your projects with ease.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free