Note Note: The features listed on this page are supported only in GroupDocs.Signature Cloud V1 GroupDocs.Signature Cloud REST API supports to put Stamp Signature on supported file format. It provides methods to create Stamp Signature in Document Pages with different options to add image as stamp, location, alignment, font, margins and appearances by using Signature Options Object data in request body.
Add Stamp Signature to Document You can create Stamp Signature on Document provided by fileName and document folder (if required) using following API...."backgroundColor": { "Web": "BlueViolet" }, "text": " * John Smith * ", "font":..."Transparent", "Alpha": 0 }, "text": "John Smith", "font": { "fontFamily":...