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https://developers.line.biz/en/docs/line-mini-app/in-app-purchase/iap-guidelines/
In-app purchase development guidelines | LINE Developers
This page explains the specification constraints, design considerations, and recommended implementation methods for using the in-app purchase feature in LINE...
development guidelines lineapp purchasedevelopers
https://developers.line.biz/en/docs/messaging-api/development-guidelines/
Messaging API development guidelines | LINE Developers
Before you start with bot development, learn what is recommended and prohibited in regards to developing a bot with the Messaging API. Prohibited matters...
development guidelines linemessaging apidevelopers
https://developers.line.biz/en/docs/liff/development-guidelines/
LIFF app development guidelines | LINE Developers
When developing web apps using LIFF, follow these development guidelines. LIFF uses a system provided by LINE Login. Therefore, abide by the LINE Login...
development guidelines lineliff appdevelopers