Where can I get the database for autocomplete?

Question

JavaScript

Hello, it is necessary to implement autocomplete on some forms of the transport portal and the question arose: where to get the database of railway stations and bus stations?
How about an API? Is there a similar one? Or is it all by hand? :)

Example:

Answer 1

in skillful hands, a grabber / scrapper will turn any site into an "API-enabled" one)