is it possible to integrate Zoho writer by data api

is it possible to integrate Zoho writer by data api

in api help documents, only show integrate Zoho office service such as writer/show/sheet by remote api,  i want

to know whether it possible to integrate these zoho app by data api?

another question: for free partner , it provides 3000 User Document SessionLimit,  does it means provide 3000

UDS every month, or total 3000 UDS for one user?