(defvar *client* (make-instance 'deepl:client :auth-key "..."))
(deepl:translate *client* "hello" :target-lang :ja)
=> (#S(DEEPL:TRANSLATION :DETECTED-SOURCE-LANGUAGE :EN :TEXT "こんにちわ"))
(deepl:translate *client* '("hello" "world") :target-lang :ja)
=> (#S(DEEPL:TRANSLATION :DETECTED-SOURCE-LANGUAGE :EN :TEXT "こんにちわ")
#S(DEEPL:TRANSLATION :DETECTED-SOURCE-LANGUAGE :EN :TEXT "せかい"))
(deepl:usage *client*)
=> #S(DEEPL:USAGE :CHARACTER-COUNT 318 :CHARACTER-LIMIT 1000000)
(deepl:languages *client*)
=> (#S(DEEPL:LANGUAGE :KEYWORD :DE :NAME "German")
#S(DEEPL:LANGUAGE :KEYWORD :EN :NAME "English")
#S(DEEPL:LANGUAGE :KEYWORD :ES :NAME "Spanish")
#S(DEEPL:LANGUAGE :KEYWORD :FR :NAME "French")
#S(DEEPL:LANGUAGE :KEYWORD :IT :NAME "Italian")
#S(DEEPL:LANGUAGE :KEYWORD :JA :NAME "Japanese")
#S(DEEPL:LANGUAGE :KEYWORD :NL :NAME "Dutch")
#S(DEEPL:LANGUAGE :KEYWORD :PL :NAME "Polish")
#S(DEEPL:LANGUAGE :KEYWORD :PT :NAME "Portuguese")
#S(DEEPL:LANGUAGE :KEYWORD :RU :NAME "Russian")
#S(DEEPL:LANGUAGE :KEYWORD :ZH :NAME "Chinese"))MIT