Create sandbox
Sandbox Creation
You need to go to LINE Pay Developers, and submit the form.
Sandbox Account Information Check
Once you submit the application, the account information will be sent to the email address you input. Please check your email.
LINE Pay Console Log-in
Accesss to LINE Pay Console with the account information received via email.
Link Key Check
Check the Channel ID & Channel Secret Key for integration. Channel ID & SK Guide
White IP Registration
Register payment server's IP(s) as white IP. White IP Guide