CRM 2016 webapi limitation

 multiple level of expansion in crm webapi 2016

Solution :
Multi level expansion is not allows in  crm 2016 webapi

not allowed
http://serverurl/api/data/v8.0/new_medicalcase(caseid)?$expand=new_patientcase_mcfamily($expand=new_name($select=fullname))

allowed
http://serverurl/api/data/v8.0/new_patientcase(caseid)?$expand=new_patientcase_mcfamily
 

Can't query date values

Solution : 
allowed
/contacts?$select=fullname,birthdate&$filter=birthdate eq 1990-01-01

not allowed
 /contacts?$select=fullname,birthdate&$filter=birthdate eq '1990-01-01'