Arrow annotation draws an arrow on the document.
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 # Get JSON Web Token # Place your client credentials in the environment variables CLIENT_ID and CLIENT_SECRET...."Annotations": [ { "Type": "Arrow", "Text": "This is arrow annotation"...'Annotations': [ { 'Type': 'Arrow', 'Text': 'This is arrow annotation'...