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{{< blocks/products/cells/cells-cloud-upper-banner h1="Ruby API to digital signature cloud Microsoft Excel and OpenOffice Calc spreadsheet with password and digital signature file" h2="Ruby library to digital signature cloud Microsoft Excel and OpenOffice Calc spreadsheet with password and digital signature file" p="Use Cells Digital signature REST API to digital signature cloud Microsoft Excel and OpenOffice Calc spreadsheet with password and digital signature file workflows in Ruby. This professional solution digital signature cloud Microsoft Excel and OpenOffice Calc spreadsheet online with passwords and digital signature file using Ruby." urlsection="protect/Digital-signature/" >}}
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{{% blocks/products/cells/cells-cloud-api-reference  apiurl=https://api.aspose.cloud/v3.0/cells/{name}/digitalsignature  apireferenceurl=https://apireference.aspose.cloud/cells/#/Workbook/PostDigitalSignature  apimethod=POST %}}
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Digitaling signature a cloud spreadsheet with a password and digital signature file is a complex task. Digital signature a cloud spreadsheet with password and digital signature file transitions is performed by our Ruby SDK while maintaining the source spreadsheet's main structural and logical content. Our Ruby library is a professional solution to digital signature cloud spreadsheets with a password and digital signature file online. This Cloud SDK gives Ruby developers powerful functionality and perfect API.
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{{< blocks/products/cells/cells-cloud-section-list isGrey="true"  title="How to utilize the Cells Cloud SDK for Ruby to digitally sign an Excel file." >}}
<li>Create an account at <a href="https://dashboard.aspose.cloud/">Dashboard</a> to get free API quota & authorization details</li>
<li>Initialize CellsApi with Client Id, Client Secret, Base URL & API version</li>
<li>Call cells_workbook_post_digital_signature method to get the resultant stream</li>
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<li>ruby 2.5 or newer</li>
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