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?
estimote
sentinel3
ag
micronaut-data
rubber
contacts
horde
gsap
envoyproxy
parameter-passing
escape-analysis
django-auth-models
realm-migration
cross-product
uicontentview
caffeine-cache
waterline
azure-adf
nestjs-jwt
manpage
inf
qcombobox
jax-rs
kubuntu
watchos-6
bgr
pty
ucanaccess
checkboxfor
webkit-animation