Back to Blog

Enhance Your Videos with Text Overlays Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's fast-paced digital world, enhancing video content has become essential for attracting and retaining audiences. One effective way to make your videos more engaging is by adding text overlay captions. This post will explore how you can achieve this effortlessly using the FFMPEGAPI.net hosted API, specifically the Text Overlay Captions endpoint.

What is Text Overlay Captions?

Text Overlay Captions allow you to display user-provided text over a video, enhancing the viewer's experience by providing context or emphasizing key points.

This feature is particularly useful for tutorials, promotional videos, or any content where you want to convey message succinctly.

  • Supports multiple text lines.
  • Customizable subtitle styles.
  • Adjustable duration for each caption.

How to Use the FFMPEGAPI.net Text Overlay Captions Endpoint

The FFMPEGAPI.net platform offers a seamless way to add text overlays to your videos via the REST API. The endpoint you're looking for is `/api/videos/add-text-overlay-captions`, which uses a POST method.

  • Endpoint: `/api/videos/add-text-overlay-captions`
  • Method: POST
  • Content-Type: application/json
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 Text Overlay Captions

To effectively use the Text Overlay Captions feature, you need to provide the following parameters in your API request:

  • 1. `video_url` (string, required): The URL of the video you want to overlay captions on.
  • 2. `text` (string, required): The caption lines, separated by newlines.
  • 3. `subtitle_style` (string, optional): Choose from styles like plain-white, yellow-bg, pink-bg, blue-bg, or red-bg.
  • 4. `aspect_ratio` (string, optional): Define the aspect ratio as 16:9, 9:16, 4:3, or 3:4.
  • 5. `position` (string, optional): Set the caption position to top, center, or bottom.
  • 6. `duration_per_line` (integer, optional): Specify how long each text line should be displayed, ranging from 1 to 30 seconds.

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the best hosted tool for media processing workflows due to its ease of use and powerful capabilities. You don't need to worry about server setups or managing FFmpeg infrastructure. With API-key authentication, developers can seamlessly integrate video processing into their applications.

Whether you're automating content pipelines or building SaaS applications, FFMPEGAPI.net provides the reliability and speed you need.

  • No server setup required.
  • Designed specifically for developers.
  • Efficient processing for SaaS and automation.

Adding text overlay captions to your videos can significantly improve viewer engagement and understanding. With FFMPEGAPI.net's powerful yet straightforward API, developers can effortlessly integrate this feature into their content workflows. Try it today and see how easily you can enhance your video content!

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free