ESPN's hidden API endpoints
Latest News: http://site.api.espn.com/apis/site/v2/sports/football/college-football/news
Latest Scores: http://site.api.espn.com/apis/site/v2/sports/football/college-football/scoreboard
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query params:
- calendar: 'blacklist'
- dates: any date in YYYYMMDD
Game Information: http://site.api.espn.com/apis/site/v2/sports/football/college-football/summary?event=:gameId
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params:
- gameId: identifier of some game (EX: 400934572 for 2017 Army vs Navy)
Team Information: http://site.api.espn.com/apis/site/v2/sports/football/college-football/teams/:team
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params:
- team: some team abbreviation (EX: 'all' for Allegheny, 'gt' for Georgia Tech, 'wisconsin' for Wisconsin)
Rankings: http://site.api.espn.com/apis/site/v2/sports/football/college-football/rankings
Scores: http://site.api.espn.com/apis/site/v2/sports/football/nfl/scoreboard
News: http://site.api.espn.com/apis/site/v2/sports/football/nfl/news
All Teams: http://site.api.espn.com/apis/site/v2/sports/football/nfl/teams
Specific Team: http://site.api.espn.com/apis/site/v2/sports/football/nfl/teams/:team
Scores: http://site.api.espn.com/apis/site/v2/sports/baseball/mlb/scoreboard
News: http://site.api.espn.com/apis/site/v2/sports/baseball/mlb/news
All Teams: http://site.api.espn.com/apis/site/v2/sports/baseball/mlb/teams
Specific Team: http://site.api.espn.com/apis/site/v2/sports/baseball/mlb/teams/:team
Scores: https://site.api.espn.com/apis/site/v2/sports/baseball/college-baseball/scoreboard
Scores: http://site.api.espn.com/apis/site/v2/sports/hockey/nhl/scoreboard
News: http://site.api.espn.com/apis/site/v2/sports/hockey/nhl/news
All Teams: http://site.api.espn.com/apis/site/v2/sports/hockey/nhl/teams
Specific Team: http://site.api.espn.com/apis/site/v2/sports/hockey/nhl/teams/:team
Scores: http://site.api.espn.com/apis/site/v2/sports/basketball/nba/scoreboard
News: http://site.api.espn.com/apis/site/v2/sports/basketball/nba/news
All Teams: http://site.api.espn.com/apis/site/v2/sports/basketball/nba/teams
Specific Team: http://site.api.espn.com/apis/site/v2/sports/basketball/nba/teams/:team
Scores: http://site.api.espn.com/apis/site/v2/sports/basketball/wnba/scoreboard
News: http://site.api.espn.com/apis/site/v2/sports/basketball/wnba/news
All Teams: http://site.api.espn.com/apis/site/v2/sports/basketball/wnba/teams
Specific Team: http://site.api.espn.com/apis/site/v2/sports/basketball/wnba/teams/:team
Scores: http://site.api.espn.com/apis/site/v2/sports/basketball/womens-college-basketball/scoreboard
News: http://site.api.espn.com/apis/site/v2/sports/basketball/womens-college-basketball/news
All Teams: http://site.api.espn.com/apis/site/v2/sports/basketball/womens-college-basketball/teams
Specific Team: http://site.api.espn.com/apis/site/v2/sports/basketball/womens-college-basketball/teams/:team
Scores: http://site.api.espn.com/apis/site/v2/sports/basketball/mens-college-basketball/scoreboard
News: http://site.api.espn.com/apis/site/v2/sports/basketball/mens-college-basketball/news
All Teams: http://site.api.espn.com/apis/site/v2/sports/basketball/mens-college-basketball/teams
Specific Team: http://site.api.espn.com/apis/site/v2/sports/basketball/mens-college-basketball/teams/:team
Scores: http://site.api.espn.com/apis/site/v2/sports/soccer/:league/scoreboard
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params:
- league: some league abbreviation (EX: 'eng.1' for EPL, 'usa.1' for MLS)
Latest News: http://site.api.espn.com/apis/site/v2/sports/soccer/:league/news
List of Team Information: http://site.api.espn.com/apis/site/v2/sports/soccer/:league/teams
Will update with more information as I find more...

Sure live and completed in the scoreboard api. here is NBA https://site.api.espn.com/apis/site/v2/sports/basketball/nba/scoreboard drill down into linescores for each team.
If you use Home Assistant you can see how we use the api data for different sports that may help as well:
https://community.home-assistant.io/t/sports-standings-and-scores/547094/928
Here is one for the Superbowl that updates live until the end of the game and goes final.
