PayPay for Developers” is a ‘free’ SDK, so there are no fixed or operational costs. The only cost incurred is the settlement fee when payment is made. Please use the form below to inquire about payment fees. Please feel free to contact us.
https://merchant.paypay.ne.jp/webform/?Inquiry_Number=PayOnlineshop
Note: If you are considering introducing PayPay through a payment agency, please contact the payment agency.