Hi Diego,
From my understanding, there isn't a list of APIs grouped by company or vertical in Genesys. APIs are generally organised by capability (e.g., conversations, analytics, routing) and then reused across different use cases.
That said, the following resources might help depending on what you're trying to map:
Hopefully this helps, and keen to see if others in the community have additional suggestions
------------------------------
Phaneendra
Technical Solutions Consultant
------------------------------