Usually, credentials.evidence of authority, status, rights, entitlement to privileges, or the like, usually in written form: Only those with the proper credentials are admitted.
2.
anything that provides the basis for confidence, belief, credit, etc.
verb (used with object), cre·den·tialed, cre·den·tial·ing or especially British, cre·den·tialled, cre·den·tial·ling.
3.
to grant credentials to, especially educational and professional ones: She has been credentialed to teach math.
adjective
4.
providing the basis for confidence, belief, credit, etc.