How can we get REST API's for Users Filters

How can we get REST API's for Users Filters

Hello Everyone,

Is there a REST API's available to know,

a) My Pending Requests (for Requesters)
b) All My Requests (for Requesters)
c) My Pending Approvals
d) Awaiting for Updates
e) Need Clarification

Regards,
Wajahath Farooq

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