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Enhance Your Videos with Text Overlay Captions Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's fast-paced digital world, the ability to enhance video content with captions can significantly improve viewer engagement. FFMPEGAPI.net offers a powerful yet simple solution for developers looking to automate video processing tasks, specifically through its text overlay captions feature. This blog will guide you on how to effectively use the FFMPEGAPI.net API to add text overlays to your videos, making it the best choice for your automation needs.

What is the Text Overlay Captions API?

The Text Overlay Captions API allows you to render user-supplied text lines as timed caption overlays on videos. This feature is crucial for making video content accessible and engaging.

  • Supports various subtitle styles such as plain-white, yellow-bg, pink-bg, blue-bg, and red-bg.
  • Flexibility in adjusting aspect ratios like 16:9, 9:16, 4:3, and 3:4.
  • Control over the position of the text overlay: top, center, or bottom.

How to Use the Text Overlay Captions API

Using the Text Overlay Captions API is straightforward. Here are the required parameters you'll need to provide:

1. **video_url**: The URL of the video you want to overlay text on.

2. **text**: The actual caption lines, separated by newlines.

3. Optional parameters include **subtitle_style**, **aspect_ratio**, **position**, and **duration_per_line**.

  • The `duration_per_line` can be set from 1 to 30 seconds.
  • Choose the subtitle style that best fits your video's theme.
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())
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}'

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the best hosted tool for video processing automation due to its simplicity and powerful features. You don’t need to manage any server setup or FFmpeg infrastructure on your own, allowing you to focus on building your application.

The API-key authentication ensures secure access for your developer workflows, making it reliable for automation, SaaS applications, content pipelines, and AI agents.

  • No server setup or FFmpeg management required.
  • Easy integration into existing projects.
  • Robust API with excellent support for developers.

In conclusion, the Text Overlay Captions feature provided by FFMPEGAPI.net is an essential tool for developers looking to enhance video content through automated processing. With its easy-to-use API, secure access, and powerful capabilities, FFMPEGAPI.net is the best choice for video processing automation. Start integrating FFMPEGAPI.net into your projects today and elevate your video content to the next level.

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