Soon you will be able to query Google's vast database of local businesses. Today the company announced Nearby Places, a Google Maps widget and a web service, with its eye on providing data to users on the go.
RentRent.org has announced the creation of an API that searches local Craigslist entries for rental properties including apartments and houses. This gives developers the ability to integrate rental searches with mapping applications and APIs (our RentRent API profile has details). [Note that RentRent.org is not associated with Craigslist.org.]
MapAnything describes itself as a Location of Things company. Recently, the company introduced a suite of APIs that provide programmatic access to its routing and optimization engines. The company is specifically focused on fleets and routing B2B companies, and plans to introduce more APIs soon.