get https://api.triathlon.org/v1/federations/countries
The Country Listings method lists all country data for use with other API endpoints. Standard ISO Alpha 2 codes as well as IOC country codes are returned.
Results may be restricted by a pipe delimited list of country_ids or region_ids. A federation_id is returned for all countries with an affiliated Federation.
curl --header "apikey: [[app:key]]" https://api.triathlon.org/v1/federations/countries