摘要:
Methods and apparatuses to provide access to advertisement database through an application programming interface. One embodiment includes receiving a request according to an application program interface over a network connection; and in response to the request, providing at least a portion of an advertisement according to the application programming interface. The advertisement is designed to generate communication leads for a party; and the party is to be charged for the advertisement according to a count of communication leads generated for the party via the advertisement.