If any of the collections, containers, or elements in the Windows Live Contacts schema exceeds its quota, then Window Live Contacts returns the "409 Conflict" status code.
The quota of each object in the schema is listed in Windows Live Contacts API: REST Schema Details, with these additional constraints:
|
Windows Live Contacts API Quota
|
Maximum
|
|---|
|
Contact collections
|
6500
|
|
MSGR tags (Groups) per address book
|
100
|
|
ContactID per Group
|
1000
|
|
Active contact subscribers for each profile
|
1000
|
|
Tags (categories) for each address book
|
200
|
The maximum number of objects (collections, containers, or elements) that can be inserted in a single POST request is one object.
Reference
Windows Live Contacts API: REST Schema Details