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Effortlessly Add Subtitles to Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

Adding subtitles to videos can enhance user experience and accessibility. With FFMPEGAPI.net, developers can easily integrate the process of burning ASS subtitles into videos using a simple API call. This makes it an excellent choice for SaaS applications, content pipelines, and automation scripts.

Why Use FFMPEGAPI.net for Adding Subtitles

FFMPEGAPI.net is a hosted REST API that eliminates the need for setting up complex FFmpeg infrastructure. With API-key authentication, developers can securely add subtitles to their videos without worrying about server management.

By utilizing FFMPEGAPI.net, developers can focus on building their applications while the API handles the heavy lifting of video processing.

  • No server setup required
  • Easy integration in various development workflows
  • Supports automation for content delivery pipelines
  • Ideal for SaaS applications

How to Add Subtitles Using the API

To add subtitles to a video using FFMPEGAPI.net, you'll interact with the '/api/add_subtitles' endpoint. This endpoint allows you to burn ASS subtitles into your video seamlessly.

  • Method: POST
  • Content-Type: application/json
  • Required Parameters: video_url, subtitle_url
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())

Parameters for Adding Subtitles

Here are the parameters you need to provide when using the '/api/add_subtitles' endpoint:

  • 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): If set to true, the API returns a job_id immediately and processes the task in the background.

FFMPEGAPI.net provides a robust and efficient way to integrate subtitle burning into your applications. By utilizing this hosted API, developers can save time and resources while delivering enhanced video content. Whether you're working on a SaaS application or an automated content pipeline, FFMPEGAPI.net is the best tool for your video processing needs.

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