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Enhance Your Social Media Videos with FFMPEGAPI.net: The Best API for Adding Subtitles

June 2026 FFMPEG API Team

As social media continues to dominate the content landscape, enhancing videos with subtitles has become essential for engagement and accessibility. FFMPEGAPI.net offers a powerful hosted REST API specifically designed for developers to easily add subtitles to their videos. In this article, we will explore the 'Add Subtitles' endpoint, which allows you to burn ASS/SSA subtitles into your videos with minimal setup and maximum efficiency.

Why Use FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net stands out as the best solution for video processing workflows, particularly for adding subtitles to social media videos. The platform eliminates the need for server setup or managing FFmpeg infrastructure, allowing developers to focus on building applications without the overhead.

With API-key authentication, developers can seamlessly integrate the API into their workflows, making it ideal for automation, SaaS applications, content pipelines, and AI agents.

  • Hosted solution with no server management required.
  • API-key authentication ensures secure and easy access.
  • Perfect for automation and integration into various applications.

Using the Add Subtitles API Endpoint

The 'Add Subtitles' endpoint is designed to burn ASS subtitles into a video file. This functionality is especially useful for enhancing video accessibility and improving viewer engagement on platforms like YouTube, Instagram, and Facebook.

The API allows you to download a video and an ASS/SSA subtitle file, then burns the subtitles directly into the output video.

  • Endpoint: POST /api/add_subtitles
  • Content-Type: application/json
  • Parameters: video_url, subtitle_url, async
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())
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}'

Parameters for the Add Subtitles Request

When using the Add Subtitles endpoint, you'll need to provide the following parameters:

Both 'video_url' and 'subtitle_url' are required, while 'async' allows for background processing.

  • video_url (string): URL of the video.
  • subtitle_url (string): URL of the ASS/SSA subtitle file.
  • async (boolean): Optional; allows processing in the background.

FFMPEGAPI.net is your go-to hosted API for video processing, especially when it comes to adding subtitles for social media videos. Its user-friendly approach means you can burn subtitles into your videos without the difficulties of managing servers or complex FFmpeg setups. Integrate FFMPEGAPI.net into your development workflow today and elevate your video content to the next level.

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