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Enhance Your Videos with Text Overlay Captions Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital landscape, enhancing video content is crucial for engagement. Adding text overlay captions not only makes your videos more accessible but also helps convey messages more clearly. FFMPEGAPI.net offers a powerful hosted solution for developers looking to implement this functionality quickly and efficiently. In this article, we'll explore how to use the Text Overlay Captions endpoint to enrich your video projects with ease.

What is the Text Overlay Captions Endpoint?

The Text Overlay Captions endpoint of FFMPEGAPI.net allows developers to render user-supplied text lines as timed overlays on videos. This feature is particularly useful for creating engaging content in various applications, from educational videos to marketing campaigns.

  • Supports multiple caption lines.
  • Customizable subtitle styles.
  • Flexible position options.
  • Adjustable display duration for each line.

How to Use the Text Overlay Captions Endpoint

To utilize the Text Overlay Captions feature, you will need to make a POST request to the following endpoint: /api/videos/add-text-overlay-captions. This request requires specific parameters to function correctly.

  • video_url: The URL of the video you want to overlay text on (required).
  • text: The caption lines you wish to display, separated by newlines (required).
  • subtitle_style: Optional style for the text (default: plain-white).
  • aspect_ratio: The aspect ratio of the video (default: 9:16).
  • position: Where to place the captions on the video (default: center).
  • duration_per_line: How long each line of text is displayed (default: 5 seconds).
import requests

url = 'https://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
}
headers = {'Content-Type': 'application/json', 'Authorization': 'Bearer YOUR_API_KEY'}

response = requests.post(url, json=data, headers=headers)
print(response.json())
curl -X POST https://ffmpegapi.net/api/videos/add-text-overlay-captions \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer YOUR_API_KEY' \
-d '{"video_url":"https://example.com/video.mp4", "text":"First line\nSecond line", "duration_per_line":4}'

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the best video processing API for automation due to its simplicity and powerful capabilities. You don't need to worry about server setup or managing FFmpeg infrastructure. With API-key authentication, integrating video processing into your projects becomes a seamless experience. Whether you're building SaaS applications, automating workflows, or enhancing content pipelines, FFMPEGAPI.net is designed for developers like you.

  • No server management required.
  • Quick integration with a simple API.
  • Robust documentation and support.
  • Ideal for automation and scaling video processes.

Incorporating text overlay captions into your video projects has never been easier with FFMPEGAPI.net. By leveraging the Text Overlay Captions endpoint, you can enhance your video content significantly, making it more engaging and accessible. Start your journey with FFMPEGAPI.net today and transform how you manage video processing in your applications!

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