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Effortlessly Add Subtitles to Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's fast-paced digital environment, automating video processing tasks is essential for developers and businesses alike. Adding subtitles to videos is a common requirement, and FFMPEGAPI.net provides a seamless way to accomplish this using its powerful hosted REST API.

Why Choose FFMPEGAPI.net for Video Automation?

FFMPEGAPI.net offers a hassle-free way to integrate video and audio processing into your applications without the need for complex server setups. Our API allows developers to focus on building features rather than managing infrastructure.

  • No server setup required.
  • Fast and reliable API-key authentication.
  • Ideal for SaaS applications, content pipelines, and AI-driven workflows.
  • Streamlined support for burning ASS subtitles directly into videos.

How to Add Subtitles Using the FFMPEGAPI.net Add Subtitles Endpoint

Adding subtitles to your videos is straightforward with the FFMPEGAPI.net Add Subtitles endpoint. This endpoint allows you to burn ASS/SSA subtitles into your video files quickly and efficiently.

  • Endpoint Method: POST
  • Endpoint Path: /api/add_subtitles
  • Content Type: application/json
  • Parameters: video_url, subtitle_url, async
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())

Parameters for the Add Subtitles Endpoint

To successfully use the Add Subtitles endpoint, you need to provide the following parameters:

  • video_url: The URL of the video you want to process (required).
  • subtitle_url: The URL of the ASS/SSA subtitle file (required).
  • async: Optional parameter that determines if the process should run in the background.

FFMPEGAPI.net is your go-to solution for automating video processing tasks like adding subtitles. With its simple API interface, you can integrate powerful video features into your applications without any hassle. Start using FFMPEGAPI.net today and elevate your video processing capabilities effortlessly.

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