The Geocodio Accuracy Score Node.js Sample Code demonstrates how to access the API to display accuracy scores. Forward geocoding includes rooftop, point, range interpolation, nearest rooftop match, intersection, street center, place, and state.
Gecko Landmarks is working on an easier way of giving directions. The theory behind their madness is that “everyone thinks in landmarks”. They took this idea and ran with it. In fact they have run all over the world with this idea. They have now collected landmark data for every country in the world. Most of this data is now available in the Gecko Landmarks API.