Fif i understand you correctly the answer is no. we do provide apis for all the funcitonality we do have in our management console. so you can use the apis for all those requests, e.g store a password of a user, a pat, etc. but you can't other resources we do not have
Fat least not at the moment.
Fwe are currently working on user schemas, which will give you the possibiltiy to define how a user should look like and also add custom fields. i am not completaly sure out of my head how we handle secrets there. but generally you could add fields that you need to your own defined user schema