Add a Digital Signature to an Excel Workbook – Aspose.Cells Cloud API
Contents
[
Hide
]
REST API
This REST API adds a digital signature to an Excel workbook.
POST https://api.aspose.cloud/v4.0/cells/{name}/digitalsignature
Security and Authentication
The Aspose.Cells Cloud APIs are secure and require JWT token-based authentication.
Request Parameters
| Parameter Name | Type | Location | Description |
|---|---|---|---|
| name | string | <code>path</code> |
The name of the workbook. |
| digitalsignaturefile | string | <code>query</code> |
Path to the digital‑signature file (.pfx or .p12). |
| password | string | <code>query</code> |
Password for the workbook, if it is protected. |
| folder | string | <code>query</code> |
Folder where the workbook is stored. |
| storageName | string | <code>query</code> |
Name of the storage service to use. |
Error Handling
| HTTP Status | Meaning |
|---|---|
| 200 | Signature applied successfully. |
| 400 | Bad request – missing or invalid parameters. |
| 401 | Unauthorized – invalid or expired OAuth token. |
| 403 | Forbidden – insufficient permissions or access denied. |
| 500 | Internal server error – unexpected failure. |
Https status Error Responses
| HTTP Status | Code | Description |
|---|---|---|
| 400 | BadRequest | Missing or invalid parameters. |
| 401 | Unauthorized | Invalid or missing access token. |
| 404 | NotFound | Specified workbook not found in the given folder/storage. |
| 500 | InternalServerError | Unexpected server error. |
How to Use the PostDigitalSignature API with SDKs
PostDigitalSignature API Specification
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 call Aspose.Cells web services. The example below demonstrates a request to the API:
Use Aspose.Cells Cloud SDKs
Using an SDK simplifies integration and reduces boiler‑plate code. 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: