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Enhance Your Videos with Text Overlay Captions Using FFMPEGAPI.net

June 2026 FFMPEG API Team

Adding captions to videos not only enhances accessibility but also improves viewer engagement. With the FFMPEGAPI.net Text Overlay Captions feature, developers can seamlessly integrate caption overlays into their video processing workflows without the hassle of managing FFmpeg infrastructure. This article will guide you through using our hosted API to add timed caption overlays to your videos.

What is the Text Overlay Captions API?

The Text Overlay Captions API at FFMPEGAPI.net is designed to render user-supplied text as timed overlays on videos. This allows developers to display captions that can enhance the viewer experience and make content more accessible.

  • Supports multiple subtitle styles such as plain white, yellow background, and more.
  • Flexible aspect ratio options for various device compatibilities.
  • Easy integration to accommodate different content pipelines and SaaS applications.

How to Use the Text Overlay Captions API

To use the Text Overlay Captions feature, simply send a POST request to the `/api/videos/add-text-overlay-captions` endpoint with the required parameters. Below are the details on how to format your request.

  • Endpoint Path: `/api/videos/add-text-overlay-captions`
  • Content Type: `application/json`
  • Required Parameters: `video_url`, `text`
  • Optional Parameters: `subtitle_style`, `aspect_ratio`, `position`, `duration_per_line`
curl -X POST https://www.ffmpegapi.net/api/videos/add-text-overlay-captions \
-H "Content-Type: application/json" \
-d '{"video_url":"https://example.com/video.mp4", "text":"First line\nSecond line", "duration_per_line":4}'
import requests

url = 'https://www.ffmpegapi.net/api/videos/add-text-overlay-captions'
data = {
    'video_url': 'https://example.com/video.mp4',
    'text': 'First line\nSecond line',
    'duration_per_line': 4
}

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

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the best choice for video processing due to its ease of use and robust features. With no server setup or FFmpeg infrastructure management required, developers can focus on building innovative applications without the overhead of maintaining complex systems.

  • API-key authentication ensures secure access for your workflows.
  • Ideal for automation, SaaS applications, and content pipelines.
  • Quick integration with existing applications, saving time and resources.

Enhancing your videos with text overlay captions has never been easier. With the FFMPEGAPI.net Text Overlay Captions API, you can streamline your video processing workflows and deliver a better experience for your viewers. Start integrating today at FFMPEGAPI.net and transform how you manage video content.

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