Major League Baseball (MLB)

Live coverage of Major League Baseball via the ParlayAPI cross-book aggregator. Sport key: baseball_mlb. Season: Mar-Oct.

Events (24h)

Rows (24h)

185,090

Active books

Active markets

Headline markets

Most relevant market_key values for Major League Baseball: h2h, spreads, totals, batter_home_runs, batter_hits, pitcher_strikeouts. Full catalog at /markets.

Active books (last 72h)

Book	Prop rows
`sleeper`	807,200
`bovada`	214,278
`draftkings`	154,049
`fanduel`	119,312
`bet365`	106,856
`prizepicks`	62,313
`kalshi`	62,267
`novig`	57,446
`betmgm`	43,799
`pinnacle`	40,732
`fliff`	38,782
`underdog`	29,115
`caesars`	23,556
`betr`	22,505
`fanatics`	21,028
`parx`	12,087
`betrivers`	4,536
`maverick_games`	4,123
`rushbet`	1,228
`unibet_fr`	1,201

Active markets (last 72h)

Market key	Prop rows
`player_hits`	193,146
`player_total_bases`	169,100
`player_hits_runs_rbis`	167,783
`player_rbis`	159,964
`player_bat_walks`	113,970
`moneyline`	101,699
`player_runs`	80,390
`player_singles`	77,317
`player_total_bases_alt`	59,395
`player_hits_alt`	46,869
`player_home_runs`	41,146
`spreads`	35,503
`player_home_runs_alt`	32,588
`player_runs_alt`	29,180
`player_to_hit_a_home_run`	25,444
`player_spread`	21,940
`player_correct_score`	20,852
`player_doubles`	19,501
`player_walks`	19,305
`player_hits_allowed`	19,132
`player_to_record_a_hit`	18,105
`player_total`	17,240
`player_outs`	17,090
`player_strike_outs`	16,932
`player_total_runs_o/u`	16,671

How to pull live odds

curl -s 'https://parlay-api.com/v1/sports/baseball_mlb/odds?regions=us&markets=h2h,spreads,totals' \
  -H "X-API-Key: $PARLAY_API_KEY"

Free no-auth previews

Try Major League Baseball odds without an API key:

/v1/try/baseball_mlb/odds: top 5 events, no auth
/v1/try/baseball_mlb/arbitrage: cross-book arbitrage scan
/v1/try/baseball_mlb/ev: Pinnacle-anchored +EV plays
/v1/try/baseball_mlb/middles: totals middles scanner

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