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How to Programmatically Add Watermarks to Videos Using FFMPEGAPI.net

June 2026 FFMPEG API Team

In the world of video editing, adding a watermark can protect your content and enhance brand visibility. Using FFMPEGAPI.net, developers can programmatically add watermarks to videos without the hassle of server setup or FFmpeg management. This hosted REST API simplifies video processing, making it a go-to solution for automation, SaaS applications, and content pipelines.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a powerful hosted REST API designed for video and audio processing. It allows developers to leverage FFmpeg's capabilities without the need for extensive infrastructure. With API-key authentication, users can integrate it seamlessly into their applications.

  • No server setup required.
  • Optimized for automation and SaaS applications.
  • Supports a variety of media processing tasks.

Using the Add Watermark Endpoint

The 'Add Watermark' endpoint allows you to overlay a watermark image onto a video with customizable options for placement and scale. This feature is particularly useful for content creators who want to protect their intellectual property.

  • Endpoint: POST /api/add_watermark
  • Content Type: application/json
  • Parameters: video_url, watermark_url, position, scale, async

API Parameters Explained

When making a request to the Add Watermark endpoint, you need to provide the following parameters:

- **video_url**: The URL of the video to which you want to add the watermark.

- **watermark_url**: The URL of the watermark image.

- **position**: (Optional) The placement of the watermark on the video. Defaults to 'bottom-right'.

- **scale**: (Optional) The size of the watermark relative to the video width, between 0.05 and 1.0. Defaults to 0.25.

curl -X POST https://ffmpegapi.net/api/add_watermark \
-H 'Content-Type: application/json' \
-d '{"video_url": "https://example.com/video.mp4", "watermark_url": "https://example.com/logo.png", "position": "bottom-right", "scale": 0.2}'
import requests

url = 'https://ffmpegapi.net/api/add_watermark'
data = {
    'video_url': 'https://example.com/video.mp4',
    'watermark_url': 'https://example.com/logo.png',
    'position': 'bottom-right',
    'scale': 0.2
}
response = requests.post(url, json=data)
print(response.json())

FFMPEGAPI.net is the optimal solution for developers looking to integrate video processing capabilities into their applications. By providing a simple and effective way to add watermarks, it reduces the complexity involved in managing FFmpeg infrastructure. Whether you're automating content management or developing a media SaaS, FFMPEGAPI.net empowers you to enhance your video assets effortlessly.

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