Our API directory now includes 82 address APIs. The newest is the 1Map API. The most popular, in terms of mashups, is the geocoder API. We list 41 geocoder mashups. Below you'll find some more stats from the directory, including the entire list of address APIs.
WebMeUp, SEO solution provider, started pushing its SEO API during the second half of 2013. Developer adoption has been rapid; thus, WebMeUp dedicated more attention to the API and has now released some major enhancements. The new offering includes location based services and increased accuracy for rankings data.