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Enhance Your Videos with Text Overlays Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital landscape, adding captions to videos has become essential for accessibility and engagement. Utilizing a reliable API for video processing can streamline your workflow. FFMPEGAPI.net offers a powerful, hosted REST API that simplifies adding text overlay captions to your videos without the need for complex server setups.

Why Choose FFMPEGAPI.net for Video Processing?

FFMPEGAPI.net provides a cloud-based FFmpeg alternative that eliminates the hassle of server management. It is designed specifically for developers, allowing easy integration into automation, SaaS applications, and content pipelines.

The API offers a user-friendly experience with API-key authentication, making it suitable for both individual projects and larger applications.

  • No server setup required.
  • API-key authentication for security.
  • Quick integration for developers.
  • Supports various video processing features.

Adding Text Overlay Captions

The Text Overlay Captions endpoint allows you to render text lines as timed overlays on your videos effortlessly. This feature is particularly useful for adding subtitles or important annotations directly onto the video content.

You can customize the appearance of the captions with different styles and positions, making it suitable for various content types.

  • Render multiple lines of text as captions.
  • Customize subtitle styles: plain-white, yellow-bg, pink-bg, blue-bg, or red-bg.
  • Choose aspect ratios: 16:9, 9:16, 4:3, or 3:4.
  • Set caption display duration from 1 to 30 seconds.
import requests

url = 'https://ffmpegapi.net/api/videos/add-text-overlay-captions'
headers = {'Authorization': 'Bearer YOUR_API_KEY', 'Content-Type': 'application/json'}
payload = {
    'video_url': 'https://example.com/video.mp4',
    'text': 'First line\nSecond line',
    'duration_per_line': 4
}

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

Endpoint Details

To use the Text Overlay Captions feature, you need to send a POST request to the following endpoint:

The required parameters are the video URL and the text you want to overlay. You can also specify optional parameters like subtitle style, aspect ratio, position, and duration per line.

  • Endpoint Path: /api/videos/add-text-overlay-captions
  • Method: POST
  • Content Type: application/json
curl -X POST https://ffmpegapi.net/api/videos/add-text-overlay-captions -H 'Authorization: Bearer YOUR_API_KEY' -H 'Content-Type: application/json' -d '{ "video_url": "https://example.com/video.mp4", "text": "First line\nSecond line", "duration_per_line": 4 }'

FFMPEGAPI.net is the ultimate solution for developers looking for a simple and effective way to enhance their video content with text overlay captions. With its hosted REST API, customizable options, and easy integration into existing workflows, it stands out as the premier cloud FFmpeg alternative. Start transforming your videos today by utilizing the powerful features available at FFMPEGAPI.net.

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