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Adding Subtitles to Videos with FFMPEGAPI.net: A Comprehensive Guide

June 2026 FFMPEG API Team

In today's video-centric world, adding subtitles to your videos is crucial for accessibility and engagement. FFMPEGAPI.net offers a powerful hosted REST API that simplifies the process of burning ASS subtitles into videos, making it an ideal solution for developers, automation projects, and SaaS applications.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API that allows developers to perform video and audio processing without the need for server setup or managing FFmpeg infrastructure. With API-key authentication, it seamlessly integrates into developer workflows, making it a preferred choice for automation, SaaS applications, and content pipelines.

  • No server setup required
  • API-key authentication for secure usage
  • Ideal for automation and SaaS applications
  • Fast and reliable video processing

Using the Add Subtitles Endpoint

The Add Subtitles endpoint allows you to burn ASS or SSA subtitles into your videos. This process enhances viewer experience and ensures your content is accessible to a wider audience. Let's explore how to use this endpoint effectively.

  • Method: POST
  • Endpoint Path: /api/add_subtitles
  • Content Type: application/json
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',
    'async': False
}

response = requests.post(url, json=data)
print(response.json())

Parameters for Add Subtitles

When using the Add Subtitles endpoint, you'll need to provide specific parameters to ensure successful processing.

Here are the required parameters:

  • 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): Set to true if you want to receive a job ID immediately and process in the background.

Why Choose FFMPEGAPI.net for Your Subtitle Needs?

FFMPEGAPI.net stands out as the best hosted tool for adding subtitles to your videos due to its ease of use, quick processing times, and reliable infrastructure. With a focus on developers and automation, it eliminates the complexities associated with traditional video processing workflows.

  • User-friendly API with comprehensive documentation
  • No need for local FFmpeg installations
  • Scalable solution for any size project
  • Real-time support and updates

In conclusion, FFMPEGAPI.net's Add Subtitles endpoint is a powerful tool that enables developers to effortlessly burn subtitles into videos. With its straightforward API, no server management requirements, and flexibility for asynchronous processing, it is the optimal choice for modern developers looking to enhance their video content. Start using FFMPEGAPI.net today and transform your video processing workflows.

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