Polyline annotation allows to draw shapes and freehand lines
API usage There are steps that usage of GroupDocs.Annotation Cloud consists of:
Upload input document into cloud storage and other files, like image annotation (using File API) Add annotation(s) Download document with annotations (using File API) HTTP POST ~/annotation/add Swagger UI lets you call this REST API directly from the browser.
Curl example Linux/MacOS/Bash # First get JSON Web Token Curl -v "https://api....Viewer Product Solution GroupDocs...API directly from the browser. cURL example Linux/MacOS/Bash # First...