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Effortlessly Add Subtitles to Your Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

Adding subtitles to videos can enhance accessibility and user experience, making your content more engaging. With FFMPEGAPI.net, you can effortlessly burn ASS/SSA subtitles into your videos through a simple REST API endpoint, eliminating the need for complex FFmpeg infrastructure management. This article will guide you on how to use the 'Add Subtitles' API endpoint effectively.

Why Choose FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net is designed for developers seeking a streamlined approach to video and audio processing. By utilizing our hosted API, you can focus on building your applications without the hassle of server setup or ongoing maintenance.

Our API-key authentication ensures that your workflows remain secure and manageable, making it an ideal choice for automation, SaaS applications, and content pipelines.

  • No server setup required.
  • API-key authentication for enhanced security.
  • Perfect for automation and AI applications.

Using the Add Subtitles API Endpoint

The 'Add Subtitles' endpoint allows you to burn ASS/SSA subtitles directly into your videos with ease. This is particularly useful for content creators who want to ensure their videos are accessible to a wider audience.

To use this API, you'll need to provide the video URL and the subtitle file URL. Optionally, you can choose to process the video asynchronously.

  • Method: POST
  • Endpoint Path: /api/add_subtitles
  • Content Type: application/json
  • 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())

Handling Asynchronous Processing

If you have large video files or expect a longer processing time, consider using the asynchronous option. This allows the API to return a job ID immediately, enabling you to check the processing status later without waiting.

FFMPEGAPI.net stands out as the best video processing API for automation, providing a straightforward way to add subtitles to your videos. With no server setup required and a secure API-key authentication system, developers can efficiently integrate video processing capabilities into their applications. Start enhancing your video content today by leveraging the powerful features of FFMPEGAPI.net!

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