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Enhance Your Videos with Text Overlays Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's content-driven world, adding text overlays to videos can significantly enhance viewer engagement. FFMPEGAPI.net provides a seamless solution for developers to integrate this functionality into their applications through its hosted REST API. In this article, we will explore how to use the Text Overlay Captions endpoint to render text overlays on videos efficiently.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a powerful hosted REST API designed for video and audio processing. With this tool, developers can avoid the hassle of server setup or managing FFmpeg infrastructure. Instead, they can focus on building applications that require video processing capabilities.

Whether you are developing automation tools, SaaS applications, or content pipelines, FFMPEGAPI.net is tailored to meet your needs with ease.

  • No server setup required
  • API-key authentication for secure access
  • Perfect for developers and automation workflows

Using the Text Overlay Captions Endpoint

The '/api/videos/add-text-overlay-captions' endpoint allows you to render user-supplied text as timed captions over your videos. Each line of text appears for a specified duration, enhancing the content without requiring complex coding or setup.

You can customize the appearance of the text, including its style, aspect ratio, and position on the video.

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

Parameters for Customization

When using the Text Overlay Captions endpoint, you can customize several parameters to tailor the output to your needs. Here's a breakdown of the available options:

  • video_url: The URL of the video (required)
  • text: Caption lines separated by newlines (required)
  • subtitle_style: Customize the text style (optional, default is 'plain-white')
  • aspect_ratio: Set the video aspect ratio (optional, default is '9:16')
  • position: Choose where to place the text (optional, default is 'center')
  • duration_per_line: Specify the duration for each line of text (optional, default is 5 seconds)

FFMPEGAPI.net is the best tool for developers looking to implement text overlays on videos effortlessly. With its easy-to-use API and extensive customization options, you can enhance your videos without the need for complex setups. Start integrating video processing capabilities into your applications today by visiting https://www.ffmpegapi.net and leveraging the power of the Text Overlay Captions endpoint.

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