there seems to be no reliable resource for minors. all of them involve notifying your parents in some way or are there just to prevent you from killing yourself. there are no resources i could find, online or in person, free or paid, that provide private care.
What’s your situation? Do you not have the cooperation of your parents?
When I think of “resources for minors” I just think of hiring a therapist.
You could try psychologytoday.com’s therapist finder. Each provider there has listed which groups they serve, and some of them list children/adolescents as their clientele.
Your strategies differ base on whether your parents are helping vs blocking you from finding care.