user2112: cf. title of the question, is there a Java API to make Cardano developers ?

user28: Yes, try cardano-client-lib SDK written in Java.

2112: <p>cf. title of the question, is there a Java API to make Cardano developers ?</p>
 28: <p>Yes, try <a href="https://github.com/bloxbean/cardano-client-lib" rel="nofollow noreferrer">cardano-client-lib</a> SDK written in Java.</p>
