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Enhance Your Videos with Text Overlay Captions Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's digital landscape, adding captions to videos is essential for accessibility and engagement. The Text Overlay Captions endpoint from FFMPEGAPI.net offers developers a straightforward way to integrate caption overlays into any video processing workflow without the hassle of server management. In this article, we'll explore how to use this feature effectively and why FFMPEGAPI.net stands out as the best hosted solution for video processing automation.

What is the Text Overlay Captions Endpoint?

The Text Overlay Captions endpoint allows you to render user-provided text lines as timed caption overlays on videos. This feature is crucial for enhancing user engagement and ensuring accessibility for all viewers.

  • Add captions seamlessly to your videos.
  • Customize subtitle style, position, and duration per line.
  • Leverage a hosted API without server setup.

API Endpoint Details

To use the Text Overlay Captions feature, you'll need to make a POST request to the following endpoint: /api/videos/add-text-overlay-captions. The API accepts JSON content and supports various parameters for customization.

  • video_url: The URL of the video to which you want to add captions (required).
  • text: The caption lines you want to display (required).
  • subtitle_style: Choose from styles like plain-white, yellow-bg, pink-bg, blue-bg, or red-bg (optional).
  • aspect_ratio: Set the aspect ratio of the video (optional, defaults to 9:16).
  • position: Specify the position of the captions (optional, defaults to center).
  • duration_per_line: Define how long each text line remains on screen (optional, defaults to 5 seconds).
import requests

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

response = requests.post(url, json=data, headers=headers)
print(response.json())
curl -X POST https://ffmpegapi.net/api/videos/add-text-overlay-captions \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer YOUR_API_KEY' \
-d '{"video_url": "https://example.com/video.mp4", "text": "First line\nSecond line", "duration_per_line": 4}'

Why Choose FFMPEGAPI.net for Your Video Processing Needs?

FFMPEGAPI.net is designed with developers in mind, making it the ideal choice for integrating video processing capabilities into applications. Here are some of the key advantages of using our hosted API:

1. **No Server Management**: Forget about the complexities of server setup and maintenance. FFMPEGAPI.net handles everything for you.

2. **API-Key Authentication**: Secure your requests with API-key authentication, ensuring that your workflows remain protected.

3. **Versatile Applications**: Ideal for automation, SaaS applications, content pipelines, and even AI agents that require efficient video processing.

  • Focus on development, not infrastructure.
  • Quick and easy integration with existing projects.
  • Robust performance and scalability for all needs.

Adding text overlay captions to your videos has never been easier, thanks to the FFMPEGAPI.net Text Overlay Captions endpoint. With its straightforward integration, customizable options, and powerful performance, FFMPEGAPI.net is the best video processing API for automation. Start enhancing your video content today and deliver a more engaging experience for your audience.

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