Major League Baseball (MLB)

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

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	27,498
draftkings	25,915
prophetx	25,531
prizepicks	24,694
pick6	18,996
bovada	18,746
fanduel	13,515
kalshi	11,415
novig	9,296
underdog	9,194
fanatics	7,691
pinnacle	7,099
parx	6,634
bet365	4,440
betmgm	4,108
caesars	3,814
betrivers	3,476
fliff	1,340
rushbet	394
polymarket	69

Active markets (last 72h)

Market key	Prop rows
player_hits	29,029
moneyline	22,731
spreads	17,098
player_total_bases	17,088
player_home_runs	14,800
player_hits_runs_rbis	14,625
player_runs	14,370
player_hits__runs__rbis	13,891
player_rbis	11,646
totals	7,070
player_stolen_bases	4,730
player_singles	4,411
player_bat_walks	3,035
futures_futures	2,496
player_hitter_strikeouts	2,214
player_total_bases_(from_hits)	1,896
player_runs_+_rbis_milestones	1,799
player_hits_+_runs_+_rbis_milestones	1,681
player_walks	1,578
player_hits_+_walks_+_stolen_bases_milestones	1,499
player_hits_+_runs_+_stolen_bases_milestones	1,442
player_strikeouts	1,383
player_hits_allowed	1,229
player_doubles	1,161
player_earned_runs	1,067

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

Related

← All sports · Cross-book coverage matrix · All sportsbooks · Market catalog