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?
automount
segmentation-fault
computer-vision
grails-controller
bc
sailpoint
crnk
clangd
verlet-integration
react-native-deep-linking
distributed-computing
iphone11
bittorrent
collection-initializer
lame
replace
azure-mapping-data-flow
ubuntu-19.04
onestepcheckout
capslock
web-ide
primevue
buildsrc
ng-multiselect-dropdown
heartrate
pdfjam
onkeypress
icarus
n-tier-architecture
uiviewcontentmode
