FIB API (known as Racó API in previous versions) provides access to much of the information published at the Racó via an API. You can access to public information as well as and proper information of the user making the query.
You can check all documentation of the API at:
The idea of these are webservices are URLs that return information in different formats (XML and JSON).
To call the API you have to register. In case you want to find public information, simply call the appropriate URL with the client_id registered.
In case of URLs that obtain private information, you have to user OAuth 2.0 authenticatation, that requires an application registration to access.