When working with shared contacts, you might encounter the following issues.
Firewall issues
If your firewall blocks HTTP PUT messages, include an X-HTTP-Method-Override:
PUT header in a POST request. For more information, see
Google Data API protocol basics.
If your firewall blocks HTTP DELETE messages, include an
X-HTTP-Method-Override: DELETEheader in a POST request. For more
information, see
Google Data API protocol basics.
Limits
The following summarizes the constraints that apply to the Domain Shared Contacts API:
- A single shared contact list can contain up to 200,000 entries.
- A single shared contact can contain up to 2KB of data. The total XML that represents the shared contact can be larger than 2KB.
- A response is truncated if it exceeds 10MB in length.
- One batch request can include up to 100 operations.
- Changes can take up to 24 hours to be reflected in the email address autocomplete and the contact manager.