require 'json' require 'open-uri' json = open("http://iss.ndl.go.jp/books/R100000002-I000011125696-00.json").read api_response = JSON.parse(json) #{"link"=>"http://iss.ndl.go.jp/books/R100000002-I000011125696-00", # "identifier"=> # {"JPNO"=>["21976263"], # "NSMARCNO"=>["121144000"], # "ISBN"=>["978-4-87783-259-9"]}, # "title"=>[{"value"=>"セマンティック・ウェブ入門", "transcription"=>"セマンティック ウェブ ニュウモン"}], #
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