Banking API/protocol [closed]
Look up the Open Financial Exchange (OFX) format on the web. That (I believe) is a generic format for the banking industry.
datafeed
Where can I get a list of Countries, States and Cities? [closed]
The UN maintains a list of countries and “states” / regions for economic trade. That DB is available here: http://www.unece.org/cefact/locode/welcome.html