which is the best language for api creation

Answer 1

Anuradha Bhosale hope this helps you

https://hub.packtpub.com/what-are-best-programming-languages-building-apis/

Also check these out for reference
https://code.sololearn.com/WQ0ApgzMg7EJ/?ref=app
https://code.sololearn.com/W3575ryQVIcl/?ref=app
https://code.sololearn.com/WChgizkHhveZ/?ref=app

Answer 2

Try node.js with Express