Bookmap API wiki page is a necessary background, please review it.
Both Bookmap Quant and Bookmap Connect solutions are based on Bookmap Connect API. They are similar, but different
The forum Bookmap Connect incubator contains adapters in development.
The documentation for L0 API is on Bookmap GitHub page. Scroll down, see where to find the javadoc in Bookmap installation folder on your computer, and click getting started guide to see how to setup IDE (Eclipse is recommended, but not a must).
To submit, propose, develop or contribute to development of new adapters under Bookmap Connect solution, visit the forum Bookmap Connect Custom Adapters and read its sticky post.
Thank you