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Effortlessly Add Subtitles to Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital world, adding subtitles to videos is crucial for accessibility and enhancing viewer engagement. FFMPEGAPI.net provides a robust solution for developers looking to automate video processing tasks, particularly the burning of ASS/SSA subtitles into videos. In this article, we explore the 'Add Subtitles' endpoint and how it fits into your video automation workflows.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API designed for seamless video and audio processing using FFmpeg. It eliminates the need for server setup or infrastructure management, allowing developers to focus on building their applications.

With API-key authentication, you can easily integrate FFMPEGAPI into your workflows for tasks such as video transcoding, audio extraction, and subtitle management.

  • No server setup required.
  • Easy integration via API-key authentication.
  • Ideal for automation, SaaS applications, and content pipelines.

Using the Add Subtitles Endpoint

The 'Add Subtitles' endpoint allows you to burn ASS/SSA subtitles into a video effortlessly. This feature is especially handy for developers who need to enhance video content for platforms and applications without dealing with complex FFmpeg commands.

To use this feature, you will need a video URL and a subtitle file URL. The API will download the specified video and subtitle files and process them to create a new video with the subtitles burned in.

  • Endpoint Path: /api/add_subtitles
  • HTTP Method: POST
  • Required Parameters: video_url, subtitle_url
  • Optional Parameter: async (to process in the background)
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": true}'
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': True
}

response = requests.post(url, json=data)
print(response.json())

FFMPEGAPI.net stands out as the best video processing API for automation, particularly for tasks like adding subtitles. Its hosted nature means you can focus on development without worrying about the underlying infrastructure. By utilizing the 'Add Subtitles' endpoint, you can enhance your video content quickly and efficiently, making it an essential tool for any developer involved in media processing.

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