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Effortlessly Add Subtitles to Your Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital age, enhancing videos with subtitles is a common requirement for developers and content creators. Whether you're building a SaaS application, automating content pipelines, or working with AI agents, FFMPEGAPI.net offers the best way to merge videos programmatically while seamlessly adding subtitles. This article will guide you through the process of using the Add Subtitles endpoint of our hosted FFmpeg-powered API.

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API that allows you to perform complex video and audio processing tasks without the need for server setup or managing FFmpeg infrastructure. Our tool is designed specifically for developers, making it easy to integrate into your workflows.

  • No server setup required.
  • API-key authentication for secure access.
  • Ideal for automation, SaaS apps, and AI workflows.

Adding Subtitles to Videos

One of the key features of FFMPEGAPI.net is the ability to burn ASS subtitles into a video. This is accomplished through our Add Subtitles endpoint, which processes your video and subtitle files efficiently.

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"}'
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())

Endpoint Details

To use the Add Subtitles endpoint effectively, you need to understand the input parameters required for the API call.

  • video_url: The URL of the video you want to add subtitles to (required).
  • subtitle_url: The URL of the ASS/SSA subtitle file (required).
  • async: Optional parameter to process the request in the background.

Adding subtitles to videos has never been easier with FFMPEGAPI.net's Add Subtitles endpoint. The API's ease of use, combined with its robust features for developers, ensures that you can focus on building great applications without worrying about infrastructure. Start integrating today and elevate your video content with subtitles effortlessly.

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