- The total number of contacts in a Google account must be 25,000 or less. Please Note: This includes "Other Contacts" as well as "My Contacts." FullContact only brings in "My Contacts" from Google, so it is possible that you may run into your storage limit in Google even if you have less than 25,000 total Google Contacts in FullContact.
- The total size of these contacts must not exceed 20 MB.
- Individual contacts must not exceed 128 KB in size.
Please see the Google Apps Help Page for more information.