When applying for the production environment, there is a field for entering the IP addresses.
Please enter the IP addresses from which your merchant is accessing our system.
Please contact us if there are any changes to the IP addresses.
Also, please refer to the following FAQ.
What is the restriction of IP address in using OpenPayment(OPA)?
Scope setting is required according to the functions used when applying for the production environment.
Please contact us for any changes.
Please also see the following FAQ.
https://integration.paypay.ne.jp/hc/en-us/articles/4414072570895