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Enhance Your Videos with Text Overlays Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In the world of video content creation, the ability to add captions and text overlays is essential for enhancing viewer engagement. FFMPEGAPI.net offers a powerful, hosted API that allows developers to implement text overlays seamlessly without the need for complex server setups. In this article, we’ll explore how to use our Text Overlay Captions endpoint to enrich your videos and improve accessibility.

What is the Text Overlay Captions Endpoint?

The Text Overlay Captions endpoint at FFMPEGAPI.net allows you to render user-provided text as timed captions over your videos. This feature is crucial for creating engaging content that can be understood by a wider audience, including those who are hearing impaired.

  • Render captions at specified intervals.
  • Choose from various subtitle styles and positions.
  • Easily integrate into your existing video processing workflows.

How to Use the Text Overlay Captions Endpoint

To add text overlays to your videos, you’ll need to make a POST request to the following endpoint: /api/videos/add-text-overlay-captions. Below are the details of the required parameters for this request.

  • video_url (required): The URL of the video you want to process.
  • text (required): One or more caption lines, separated by newlines.
  • subtitle_style (optional): Choose from styles like plain-white, yellow-bg, pink-bg, blue-bg, or red-bg.
  • aspect_ratio (optional): Define the aspect ratio of the video, such as 16:9 or 9:16.
  • position (optional): Set the position of the text as top, center, or bottom.
  • duration_per_line (optional): Specify how long each line of text should be displayed, in seconds.
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 for Video Processing?

FFMPEGAPI.net stands out as the premier hosted tool for video and audio processing due to its ease of use and flexibility. You can integrate video processing capabilities into your applications without the complexities of managing your own FFmpeg infrastructure.

Our API-key authentication ensures secure and streamlined workflows for developers, automation tasks, and content pipelines.

  • No server setup required—focus on development, not infrastructure.
  • High availability and scalability for demanding applications.
  • Ideal for automation, SaaS apps, and AI agents.

Adding text overlays to your videos has never been easier with FFMPEGAPI.net. With our powerful Text Overlay Captions endpoint, you can enhance your content's accessibility and engagement. Start leveraging this robust API today and experience the convenience of hosted video processing tailored for developers.

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