Two upgrade paths are available to you; you can upgrade to adCenter API Version 7 or Version 8.
If You Choose to Upgrade to adCenter API Version 7To learn more about adCenter API Version 7, review the release notes on MSDN. There you can find additional details on the features in Version 7.
If You Choose to Upgrade Directly to adCenter API Version 8Microsoft adCenter API Version 8 is the latest version upgrade to the API system and offers several new features and functionalities to help manage your campaigns. Version 8 is currently only available in the Production environment. To learn more about adCenter API Version 8 review the release notes on MSDN.
If you have already upgraded and are no longer using Version 6, no further action is needed at this time. If you have any questions or would like assistance, please contact our support team, leave a comment below or post your question in the API forum.
Tina Kelleher, SMB Community Manager