https://foloosi.com/api/v1/api/initialize-setup
merchant_key : YOUR_MERCHANT_KEY
transaction_amount : YOUR_TRANSACTION_AMOUNT
currency : YOUR_CURRENCY_CODE
customer_name : OPTIONAL /*note : auto render in payment popup*/
customer_email : OPTIONAL /*note : auto render in payment popup*/
customer_mobile : OPTIONAL /*note : auto render in payment popup*/
customer_address : OPTIONAL /*note : minimize form fields in card detail page*/
customer_city : OPTIONAL /*note : minimize form fields in card detail page*/
site_return_url: OPTIONAL /*note : if you pass redirect as true in step 1, need to pass this params. */