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Burn Subtitles into Video with FFMPEGAPI.net: The Best Video Processing API for Automation

June 2026 FFMPEG API Team

If you're looking for a seamless way to integrate video processing into your applications, FFMPEGAPI.net offers a powerful hosted API that simplifies tasks like burning subtitles into video files. This guide will walk you through using the Add Subtitles endpoint to enhance your video content with ASS/SSA subtitles, making FFMPEGAPI.net the best video processing API for automation.

Why Choose FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net is designed for developers who need reliable video and audio processing without the hassle of managing servers or FFmpeg infrastructure. By leveraging this hosted REST API, you can focus on building your application while we take care of the processing power.

  • No server setup required
  • Easily integrate into automation workflows
  • API-key authentication ensures secure access
  • Ideal for SaaS applications, content pipelines, and AI agents

Getting Started with the Add Subtitles Endpoint

The Add Subtitles endpoint allows you to burn ASS subtitles into your video easily. This feature is crucial for developers looking to enhance video accessibility and engagement.

To use this endpoint, you need to send a POST request to the following path: /api/add_subtitles. This request requires a video URL and a subtitle file URL to process the video.

  • Endpoint: /api/add_subtitles
  • Method: POST
  • Content Type: application/json
  • Required Parameters: video_url, subtitle_url
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"}'

Understanding the Parameters

When making a request to the Add Subtitles endpoint, it's important to understand the parameters you need to provide to successfully process the video.

The parameters include:

  • 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 request will return a job_id immediately and process in the background.

Example Request

Here's a practical example of how you would call the Add Subtitles endpoint to burn subtitles into your video.

import requests

url = 'https://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())

FFMPEGAPI.net stands out as the best choice for developers seeking a hassle-free solution for video processing tasks like adding subtitles. With its robust API, secure authentication, and no server overhead, you can streamline your workflow and enhance your video content effortlessly. Explore the Add Subtitles endpoint today and elevate your video applications!

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