Common publishers are lead publishers that place links on their websites and bring traffic to PX forms. As soon as the customer fills in the form with contact data and vertical-specific information, the form converts this information into the lead request and sends it to PX. This means that common publishers don't deal with any leads, they bring traffic to the lead forms that belong to PX.
Read more about call configuration for publishers.
API publishers use their own sources of lead generation and send their requests with leads directly to PX API using vertical specifications. These publishers can use either ping post or direct post posting type.
API publishers don't use offers in the platform directly and don't have offer configurations in their settings.
Сall publishers post phone numbers or Click to Call buttons on their websites. When customers click on it, the certain campaign's number is dialed.
Call publishers work with call offers that are created and managed solely in PX and have no HasOffers integration.