As I cannot see any reference on how to use properly the sysparm_query_category, may I confirm on how did you append the sysparm_query_category in get request?
raml
date-conversion
pygobject
screen-size
fallback
kubernetes-event-exporter
android-studio-bumblebee
gtkbuilder
git-credential-manager
pytorch-live
letrec
jquery-ui-resizable
react-scripts
l2tp
python-can
temp
geoalchemy2
helpshift
sql-graph
continued-fractions
aem
caldav
mechanicalturk
mclapply
equation
stubby4node
podfile
xetex
infineon
eager-execution