Grant Permission (Channel Settings) option allows you to provide your publishers with an access to their member zone, specifically to their Channels and Sources with various dashboards, multiple statistics, and reports.
button allows you to send an access to a member zone for your publisher. To do that, you need to specify the publisher's email (1) and click the Provide Access button (2). Once done, publisher will receive the mail with the link to access the dashboard.
You can also provide your publishers with an optional XML or JSON statistics API (can be found in the Basic Settings of the Channel).
Detailed API information can be downloaded in PDF format by clicking on the button. All data and reporting available in the UI will also be available via API.