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Enhance Your Videos with Text Overlay Captions Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In the world of video content creation, adding text overlay captions can significantly enhance viewer engagement and accessibility. With FFMPEGAPI.net's hosted REST API, developers can easily implement timed caption overlays without the hassle of managing FFmpeg infrastructure. In this article, we will explore how to use the Text Overlay Captions endpoint to enrich your videos effortlessly.

What is the Text Overlay Captions Endpoint?

The Text Overlay Captions endpoint allows developers to render user-supplied text lines as timed caption overlays on videos. This feature is especially useful for automating video content pipelines, as it makes captions accessible for various audiences.

  • Supports various caption styles: plain-white, yellow-bg, pink-bg, blue-bg, and red-bg.
  • Adjustable aspect ratios to fit your video requirements.
  • Flexible positioning options: top, center, or bottom of the video.

How to Use the Text Overlay Captions Endpoint

To use this feature, you will need to send a POST request to the following endpoint:

The request requires several parameters, including the video URL and the text you want to overlay.

  • Endpoint: POST /api/videos/add-text-overlay-captions
  • Content-Type: application/json
  • Key parameters: video_url, text, duration_per_line, subtitle_style, aspect_ratio, position.
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'
headers = {'Content-Type': 'application/json'}
data = {"video_url": "https://example.com/video.mp4", "text": "First line\nSecond line", "duration_per_line": 4}

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

Why Choose FFMPEGAPI.net for Your Video Processing Needs?

FFMPEGAPI.net stands out as the best video processing API for automation due to its ease of use, reliable performance, and no server management requirements. Developers can focus on building their applications instead of worrying about underlying FFmpeg infrastructure.

With API-key authentication, developers can seamlessly integrate this powerful tool into their workflows, making it ideal for SaaS applications, content pipelines, and AI agents.

  • No server setup required—just use the API.
  • Robust documentation and support for developers.
  • Flexible and scalable for various automation needs.

Adding text overlay captions to your videos has never been easier with FFMPEGAPI.net's hosted REST API. Whether you're developing a new application, automating video processing tasks, or enhancing content accessibility, this powerful tool provides everything you need. Start using the Text Overlay Captions endpoint today to take your video content to the next level!

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