Add digital signature for Excel workbook

This REST API adds a digital signature to an Excel workbook.

REST API

POST http://api.aspose.cloud/v3.0/cells/{name}/digitalsignature

The request parameters are:

Parameter Name	Type	Location	Description
name	string	path	The name of the workbook.
digitalsignaturefile	string	query	The digital‑signature file to be applied.
password	string	query	Password for the workbook, if protected.
folder	string	query	Folder where the workbook is stored.
storageName	string	query	Name of the storage service to use.

The OpenAPI Specification defines a publicly accessible programming interface that lets you perform REST interactions directly from a web browser.

You can use the cURL command‑line tool to call Aspose.Cells web services. The example below demonstrates a request to the API:

Request

curl -v "http://api.aspose.cloud/v3.0/cells/{name}/digitalsignature?digitalsignaturefile=signature.pfx&password=YourPassword" \
  -X POST \
  -H "Content-Type: application/json" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer <jwt token>"

Response

{
  "Code": 200,
  "Status": "OK"
}

Cloud SDK Family

Using an SDK is the fastest way to integrate digital‑signature functionality. SDKs handle low‑level details so you can focus on your business logic. Check the GitHub repository for a complete list of Aspose.Cells Cloud SDKs.

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

Protect an Excel Workbook Protect Excel files