How to get "cid, partner_order_id, partner_user_id,..."? In development, how I can become Kakao Admin Partner?

카카오페이 API
#1

Could you please give some information about rule become Kakao Admin Partner.

#2

Hi.
Thank you for your interest in Kakao Pay.

Kakao Pay is a simple payment service for Korean subscribers.
Please contact us by e-mail below for more details.

Thank you.