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How to Programmatically Add Watermarks to Videos with FFMPEGAPI.net

June 2026 FFMPEG API Team

In the world of video processing, adding a watermark is a common requirement for branding and copyright purposes. With FFMPEGAPI.net, you can easily overlay watermarks on your videos programmatically, without the need for complex server setups or FFmpeg management. This article will guide you through the process of using our simple REST API to add watermarks to your videos.

Why Use FFMPEGAPI.net for Watermarking

FFMPEGAPI.net is a hosted REST API that allows developers to perform video and audio processing tasks with ease. By using our API, you can skip the daunting task of managing FFmpeg infrastructure. Instead, focus on your application while we handle the processing.

Our API is designed for developers, making it ideal for automation, SaaS applications, content pipelines, and AI agents. With API-key authentication, you can secure your workflows while maintaining the power of FFmpeg.

  • No server setup required
  • Easy integration with existing workflows
  • Quick response with API-key authentication
  • Scalable and reliable service

Using the Add Watermark Endpoint

To add a watermark to your video, you will utilize the `Add Watermark` endpoint. This endpoint allows you to overlay a watermark image on top of your video with configurable options for position and scale.

  • Method: POST
  • Endpoint path: /api/add_watermark
  • Content type: application/json
curl -X POST https://www.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://www.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())

Parameters for the Add Watermark Endpoint

When making a request to the Add Watermark endpoint, you will need to provide several parameters to customize the watermarking process.

  • video_url: The URL of the video to be processed (required).
  • watermark_url: The URL of the watermark image (required).
  • position: The placement of the watermark (optional, defaults to 'bottom-right').
  • scale: The width of the watermark as a fraction of the video width (optional, defaults to 0.25).
  • async: If true, the processing will happen in the background.

FFMPEGAPI.net simplifies the video processing workflow by providing a robust, hosted solution for adding watermarks to your videos. With easy API integration, you can enhance your applications without the hassle of managing FFmpeg environments. Start using FFMPEGAPI.net today and take your video processing capabilities to the next level!

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