Media

Video Watermark Image

Add an image watermark to videos with customizable position, size, opacity, and timing

file· File resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

# 1) Upload each file first → returns { filePath }
curl -X POST 'https://api.elysiatools.com/upload/video-watermark-image' \
  -F 'file=@/path/to/videoFile.ext'
curl -X POST 'https://api.elysiatools.com/upload/video-watermark-image' \
  -F 'file=@/path/to/watermarkImageFile.ext'

# 2) Call the tool with the returned filePath values
curl -X POST 'https://api.elysiatools.com/en/api/tools/video-watermark-image' \
  -F 'videoFile=/path/to/file.ext' \
  -F 'watermarkImageFile=/path/to/file.ext' \
  -F 'position=bottom-right' \
  -F 'scale=15' \
  -F 'opacity=0.7' \
  -F 'margin=20' \
  -F 'animationMode=static' \
  -F 'animationSpeed=50' \
  -F 'startTime=0' \
  -F 'endTime=-1' \
  -F 'outputFormat=mp4'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/video-watermark-image

Parameters

Name	Type	Required	Description
videoFile	fileupload required	Yes	—
watermarkImageFile	fileupload required	Yes	—
position	select	No	—
scale	range	No	Size of watermark relative to video width (1-100%)
opacity	range	No	Watermark opacity (0.1 = transparent, 1 = opaque)
margin	range	No	Distance from video edges (0-200 pixels)
animationMode	select	No	—
animationSpeed	range	No	Movement speed in pixels per second (10-500)
startTime	number	No	When to start showing the watermark (0 = from beginning)
endTime	number	No	When to stop showing the watermark (-1 = until end)
outputFormat	select	No	—

File-type parameters must be uploaded first via POST /upload/video-watermark-image, then the returned filePath is passed to the corresponding file field.

Response format

File result

JSON

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-video-watermark-image": {
      "name": "video-watermark-image",
      "description": "Add an image watermark to videos with customizable position, size, opacity, and timing",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=video-watermark-image",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "video-watermark-image",
    "arguments": {
  "videoFile": "https://example.com/file.ext",
  "watermarkImageFile": "https://example.com/file.ext",
  "position": "bottom-right",
  "scale": 15,
  "opacity": 0.7,
  "margin": 20,
  "animationMode": "static",
  "animationSpeed": 50,
  "startTime": 0,
  "endTime": -1,
  "outputFormat": "mp4"
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

File parameters accept a public file URL only (https://…). Local paths, data: URIs, and Base64 strings are not supported.

Questions or issues? Contact [email protected]