Customer's Request
Create customer [POST]
https://api.paiwise.com/checkout/create-customer [POST] first_name String Customer's las...
Retrieve customer [POST]
https://api.paiwise.com/checkout/retrieve-customer [POST] customer_id String Customer'...
Delete customer [POST]
https://api.paiwise.com/checkout/delete-customer [POST] customer_id String Customer'...