Methods:
Add an annotation entry to the database.
POSTdescribeAnnotationGet the latest annotation entry for a given feature group, feature, and document.
GETverifyAndDescribeAnnotationGet the latest annotation entry for a given feature group, feature, and document along with verification information.
POSTupdateAnnotationStatusUpdate the status of an annotation entry.
POSTgetDocumentToAnnotateGet an available document that needs to be annotated for a annotation feature group.
GETgetAnnotationsStatusGet the status of the annotations for a given feature group and feature.
POSTimportAnnotationLabelsImports annotation labels from csv file. All valid values in the file will be imported as labels (including header row if present).