Accessing theMovieDB.org API - nodedoubt/cinemaplate GitHub Wiki
List of genres:
http://api.themoviedb.org/3/genre/movie/list?api_key=XXXXXXXXXXXXXXXXX
List of movies by genre:
http://api.themoviedb.org/3/genre/GENRE_ID/movies?api_key=XXXXXXXXXXXXXXXXXX
( returns up to 40 results per page ) optionally add: '?page=PAGE#' to request specific page
Docs: http://docs.themoviedb.apiary.io/#reference/genres/get