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.
The following GroupDocs.Signature Cloud REST API resource has been used in the Supported File Formats example.
The API is completely independent of your operating system, database system or development language. We provide and support API SDKs in many development languages in order to make it even easier to integrate. You can see our available SDKs list here.