GroupDocs.Signature Cloud is a REST API to create, verify and search different type of Signatures objects in all common business formats, including PDF, Microsoft Word, Excel, PowerPoint, epub and many other files. To get list of supported file formats, you can use the following API.
Resource The following GroupDocs.Signature Cloud REST API resource has been used in the Supported File Formats example.
cURL example Request curl -X GET "https://api.groupdocs.cloud/v2.0/signature/formats" -H "accept: application/json" -H "authorization: Bearer [Access Token]" Response { "formats": [ { "extension": "....jpeg" , "fileFormat" : "Image files"...