Reporting API Version 1
This section walks through key Reporting API features and use cases, and covers generating and debugging system user access tokens.
Click Reporting API v2 for version 2.
Reporting API has now migrated to V2:
FB Login is needed to access Reporting API v2 and will feature aggregation.
Note: This is not a user facing change. This requirement focuses on the publisher logging in via Facebook Login to access Reporting API
If you are using the Reporting API through a 3rd party, they will need to use V2.