API Linkage Function API Linkage Function Achieve single sign-on and Grade linkage with core systems HOME API Linkage Function With API linkage functionAchieve single sign-on and grade linkage with core systems What you can do with the API linkage function When you log in to the core systemLogin to LBOX automatically. Automatically create users in the core system. Specific grade data in learningBOX automatically imported into the core system. License Starter Plan or above API linkage function usage fee Annual usage fee 132,000 yen/incl.tax (free for the Standard Plan and above) Hosting Dedicated server * Not available when using a shared server