Back to Blog

Using FFMPEGAPI.net to Add Watermarks to Videos: A Developer's Guide

June 2026 FFMPEG API Team

In the world of video content creation, adding a watermark is essential for branding and copyright protection. With FFMPEGAPI.net, developers can easily overlay watermarks on videos using a simple REST API. This article will guide you through the process of using the Add Watermark endpoint, demonstrating why FFMPEGAPI.net is the best choice for developers seeking hassle-free video processing solutions.

What is FFMPEGAPI.net?

FFMPEGAPI.net is a hosted REST API that simplifies video and audio processing tasks, allowing developers to focus on building their applications without worrying about server setups or infrastructure management.

With features like API-key authentication, it is ideal for SaaS applications, automation, and content pipelines.

  • No server setup required.
  • API-key authentication for security.
  • Scalable for various applications.
  • Built specifically for developers and automation needs.

Add Watermark Endpoint Overview

The Add Watermark endpoint allows you to overlay a watermark image onto a video, helping you brand your content effectively.

This endpoint supports configurable options for placement and scale, making it a flexible tool for developers.

  • Endpoint Path: `/api/add_watermark`
  • HTTP Method: POST
  • Content Type: application/json

Parameters for Adding a Watermark

To use the Add Watermark endpoint, you'll need to provide several parameters in your API request. Here’s a breakdown of the required and optional parameters:

  • Required Parameters:
  • - `video_url`: The URL of the video you want to watermark.
  • - `watermark_url`: The URL of the watermark image.
  • Optional Parameters:
  • - `position`: Placement of the watermark (default is bottom-right).
  • - `scale`: Size of the watermark as a fraction of the video width (default is 0.25).
  • - `async`: If true, the processing will happen in the background.

Making a Request to Add a Watermark

Here’s how to implement the Add Watermark functionality using a cURL command and Python code.

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 provides an efficient and easy-to-use solution for developers looking to integrate video watermarking into their applications. By leveraging the hosted REST API, you can save time and resources while ensuring high-quality video processing. Whether you are building a SaaS application or automating content workflows, FFMPEGAPI.net stands out as the best FFMPEG tool for developers.

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free