How get subscribed user from api

How to get/fetch data for specific email only from member api.[member]=email,full_name,is_follower,campaign_lifetime_support_cents,currently_entitled_amount_cents,patron_status,pledge_cadence,will_pay_amount_cents.

You wont be able to get a user by email. Either try getting the member over the member’s id at /members endpoint, or, try getting it over /identity endpoint using a token that the member has authorized to your app.