Open the ESPN API in your browser and copy the "id" field from the match:
Soccer: site.api.espn.com/apis/site/v2/sports/soccer/eng.1/scoreboard
NBA: site.api.espn.com/apis/site/v2/sports/basketball/nba/scoreboard
NFL: site.api.espn.com/apis/site/v2/sports/football/nfl/scoreboard
NHL: site.api.espn.com/apis/site/v2/sports/hockey/nhl/scoreboard
F1: site.api.espn.com/apis/site/v2/sports/racing/f1/scoreboard