Please read the release notes for the upcoming May 9, 2014 release. This release addresses two important issues that API users have been experiencing:
- server timeout errors when using the Add Contacts Bulk Activity service
- 500 errors seen when retrieving contacts
http://developer.constantcontact.com/docs/release-notes/may-2014-rel-notes.html
Rich Marcucella
Sr. Technical Writer, Content Developer
Web Services Team
http://developer.constantcontact.com
