Text redaction annotation fills part of text with black rectangle (used if you want to hide some text)
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 curl -v "https://api.... font_color = 1201033 $a1 . font_size = 12 $a1 ...