OpenID providers publish their metadata at a well-known URL. In Okta it looks something like this: https://dev-599740.okta.com/oauth2/default/.well-known/oauth-
openrtsp
isalpha
kendospreadsheet
batterymanager
jasper-reports
compiler-directives
wildfly-9
mod-autoindex
bitmapframe
google-groups-settings
modelica
imaskjs
git-fetch
openproject
adobe-extension
xmlbeans
rxdb
ezdxf
pinch
fastlane-gym
rna-seq
maxima
netmask
pcap
jbossfuse
ransac
top-n
otool
modelmetadata
kubernetes-jenkins-plugin