Every Campaign, Line Item, and Creatives belongs to an Advertiser. Advertisers are typically the entity paying the bills for the ads that run. See: Advertisers, Campaigns, Line_Items, Creatives.
Restrictions
| Method | Restriction | 
|---|---|
| GET | None | 
| POST | Advertiser name must be unqiue | 
| PUT | Cannot make the Advertiser inactive if there are active Campaigns that it owns | 
| DELETE | Cannot delete the Advertiser if there are any Campaigns that it owns | 
