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Enhancing Videos with Text Overlays Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In the world of video content creation, adding captions is essential for accessibility and engagement. Using FFMPEGAPI.net, developers can seamlessly integrate text overlays into their video processing workflows, enhancing their content with just a few lines of code.

Why Use FFMPEGAPI.net for Text Overlays?

FFMPEGAPI.net offers a hosted REST API that simplifies video processing tasks without the need for server setup or infrastructure management. By using our API, developers can focus on building applications rather than worrying about complex FFmpeg configurations.

As a developer, whether you're automating workflows, creating SaaS applications, or enhancing content pipelines, adding text overlays to videos can be done effortlessly with our Text Overlay Captions endpoint.

  • Fast media processing for content pipelines.
  • No server management required.
  • API-key authentication for secure access.
  • Versatile for different use cases including automation and AI agents.

Using the Text Overlay Captions Endpoint

The Text Overlay Captions endpoint enables you to render user-provided text lines as timed caption overlays on your videos. This is done by sending a POST request to the endpoint, which accepts various parameters to customize the output.

Here's a quick overview of the API endpoint:

  • Endpoint Path: `/api/videos/add-text-overlay-captions`
  • Method: POST
  • Content Type: application/json
  • Parameters include: video_url, text, subtitle_style, aspect_ratio, position, and duration_per_line.
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
}

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

Customizing Your Captions

FFMPEGAPI.net allows you to customize the appearance and timing of your captions through various optional parameters.

You can specify the style and position of your text overlays to align with your video’s aesthetics.

  • Subtitle Styles: 'plain-white', 'yellow-bg', 'pink-bg', 'blue-bg', 'red-bg'.
  • Aspect Ratios: '16:9', '9:16', '4:3', '3:4'.
  • Text Positioning: 'top', 'center', 'bottom'.
  • Duration per Line: Set from 1 to 30 seconds.
curl -X POST https://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}'

Incorporating text overlays into your videos has never been easier thanks to FFMPEGAPI.net. Our hosted API provides the tools you need to enhance your video content efficiently, allowing you to focus on what matters most—creating captivating media that resonates with your audience. Start using our Text Overlay Captions endpoint today and elevate your video processing workflows.

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