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Effortlessly Add Subtitles to Your Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

Adding subtitles to videos can be a complex task, often requiring a deep understanding of video processing tools like FFmpeg. However, with FFMPEGAPI.net's hosted REST API, developers can easily burn ASS subtitles directly into their videos without needing to manage the underlying infrastructure. In this article, we’ll explore the Add Subtitles endpoint and show you how it can streamline your video processing workflow.

What is the Add Subtitles Endpoint?

The Add Subtitles endpoint at FFMPEGAPI.net allows you to burn ASS subtitles into a video effortlessly. By providing a video URL and a subtitle file URL, you can have the API do all the heavy lifting. This service is particularly useful for developers building automated systems, SaaS applications, or content management pipelines that require video processing.

  • Burn ASS/SSA subtitles into a video.
  • No server setup required.
  • API-key authentication for secure access.

How to Use the Add Subtitles Endpoint

To use the Add Subtitles endpoint, make a POST request to /api/add_subtitles with the necessary parameters. Here’s a quick overview of what you need:

You must provide the video URL and the subtitle file URL as required fields. Optionally, you can specify an async parameter to process the video in the background.

  • Endpoint: /api/add_subtitles
  • Method: POST
  • Content-Type: application/json
curl -X POST https://www.ffmpegapi.net/api/add_subtitles \n  -H 'Content-Type: application/json' \n  -d '{"video_url": "https://example.com/video.mp4", "subtitle_url": "https://example.com/subtitles.ass", "async": true}'
import requests\n\nurl = 'https://www.ffmpegapi.net/api/add_subtitles'\ndata = {\n    'video_url': 'https://example.com/video.mp4',\n    'subtitle_url': 'https://example.com/subtitles.ass',\n    'async': True\n}\nresponse = requests.post(url, json=data)\nprint(response.json())

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net is the best hosted tool for developers who need a reliable solution for video and audio processing. With our API, you can avoid the hassle of server management while still accessing powerful FFmpeg functionalities. Furthermore, our API-key authentication ensures that your workflows are secure and scalable.

  • Hosted REST API eliminates the need for local FFmpeg installation.
  • Streamlined developer experience with clear documentation.
  • Perfect for integration into various applications and services.

In conclusion, FFMPEGAPI.net's Add Subtitles endpoint provides a simple and efficient way for developers to add subtitles to their videos without the typical complexities of video processing. By leveraging this hosted REST API, you can enhance your applications with video features while focusing on your core development tasks. Sign up today and start experiencing the best FFMPEG tool for developers!

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