Due to recent changes to how Google Base works, you may have noticed that you are now unable to post products to Google Base.

Google Base is now known as Google Merchant Center. With this change, they have also been stricter on who is allowed to post products using their new Google Merchant Center.

You will now need to get Google's permission to post products using their Google Merchant Center. To do this, go to

http://support.google.com/merchants/bin/request.py?hl=en&contact_type=item_noshow

Please select 'Scheduling' as "Submission method" and 'Other' as "Issue you are experiencing". "Additional information" will be: "Please enable use of  Content API for Shopping for my account.".