GroupDocs.Signature Cloud allows to sign document with several signatures simultaneously and even apply signatures of different types to the same document.
API usage There are steps that usage of GroupDocs.Signature Cloud consists of:
Upload input document into cloud storage and other files, like digital certificate or image stamp Sign document Download output document For storage operations, like uploading or downloading documents, please refer to the corresponding articles of this manual....Please get your Client Id and Client Secret from https://dashboard...place Client Id in "client_id" and Client Secret in "client_secret"...