Add watermark into the Excel files

This REST API adds a watermark to Excel files.

REST API

 
POST http://api.aspose.cloud/v3.0/cells/watermark

The request parameters are:

Parameter Name	Type	Location	Description
file	file	formData (multipart body)	The Excel file to which the watermark will be applied.
text	string	query	The watermark text to display.
color	string	query	The color of the watermark in ARGB hex format (e.g., `004433ff`).

The OpenAPI Specification defines a publicly accessible programming interface and lets you carry out REST interactions directly from a web browser.

You can use the cURL command‑line tool to access Aspose.Cells web services easily. The following example shows how to make a call to the Cloud API with cURL.

Request

 
curl -v "http://api.aspose.cloud/v3.0/cells/watermark?text=aspose.cells.cloud&color=004433ff" \
-X POST \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-H "Authorization: Bearer <jwt token>" \
-F 'xxxxx1=@xxxx1.xlsx' \
-F 'xxxxx2=@xxxx2.xlsx'

Response

{
    "Files": [
        {
            "Filename": "xxxxx",
            "FileSize": 274022,
            "FileContent": "-----Base64String--------"
        },
        {
            "Filename": "xxxxx",
            "FileSize": 274022,
            "FileContent": "-----Base64String--------"
        }
    ]
}

Cloud SDK Family

Using an SDK is the fastest way to develop. An SDK abstracts low‑level details, allowing you to focus on your business logic. Please check out the GitHub repository for a complete list of Aspose.Cells Cloud SDKs.

The following code examples demonstrate how to call Aspose.Cells web services using various SDKs:

Add Background in Workbook