Gashirai Kamucha

Hello , im Gashirai from Zimbabwe and i'm new here, i created a laravel 10 school portal for students to see their school-related information, however i do not know how i can link my app to sage in order to access a students financial information, i have tried reading the documentation but i cant really understand what i should do, i know that the school that wants my app uses sage for its accounting purposes,,,,thanks to those who will help.