To prevent beeing forwarded to a corportate identity provider (like MS Entra etc.) simply add &saml2=disabled to the Launchpad URL.
https://sapsystem.de/sap/bc/ui2/flp?sap-client=001&sap-language=DE&saml2=disabled
Tag: SAML
[BTP] Retrieve details of the logged-in user from the identity provider
This URL will return details about the logged-in user. The identity provider can either be the default or a custom identity provider configured in the BTP Trust Configuration. The response will differ for OpenID Connect and SAML protocol.
https://<domain>.authentication.<region>.hana.ondemand.com/config?action=who&details=true