Odds API by market / MLB
MLB Moneyline API
Live h2h odds across every book that posts it, in one REST call — and, unlike any other odds API, every one of those outcomes settled against the official result once play ends.
No credit card. 1,000 requests / day on the free tier.
What MLB moneyline is
The straight win market: one price per side, no handicap. Soccer and some three-way sports add a Draw outcome, so the outcomes array is two entries for US sports and three where a draw is possible.
How we settle it. Settled off the final score. Three-way markets grade the Draw leg explicitly rather than pushing.
Every number on this page is measured against the live API, never copied from a spec sheet. Last measured 15 September 2026.
Books posting MLB moneyline
Measured live, not listed from a spec. Coverage moves — a book that has not put its board up yet will not appear until it does, which is exactly what this list is for.
Line shopping across all of them is one request — every book arrives in the same bookmakers array, not one call per book. Add ?bookmakers= to narrow it, or use /best-line for the best price per line already ranked.
Recently settled MLB moneyline outcomes
These are real rows out of the API, not an illustration. Each one was a price on a board before the event and carries the actual figure it was graded against afterwards. No other odds API returns that last column — they stop at the price.
2,864 moneyline outcomes settled in the last 4 days across 24 books. The 12 most recent:
| Bet | Actual | Result |
|---|---|---|
| Arizona Diamondbacks | — | won |
| Miami Marlins | — | lost |
| Arizona Diamondbacks | — | won |
| Miami Marlins | — | lost |
| Los Angeles Angels | — | won |
| Arizona Diamondbacks | — | won |
| Seattle Mariners | — | lost |
| Colorado Rockies | — | lost |
| San Diego Padres | — | won |
| Miami Marlins | — | lost |
| ARI Diamondbacks | — | won |
| MIA Marlins | — | lost |
Hit rate, last 4 days
50% of 2864 settled moneyline legs hit (1432 yes, 1432no). Counted on the YES side only — books that price this two-way contribute their Over leg, not both. That is the base rate across the whole priced field, not a per-player figure.
Per-player hit rates and L5 / L10 / L20 splits live on /trends.
Live response
Captured from the real endpoint on Athletics @ Tampa Bay Rays, trimmed to one book and three outcomes so the shape stays readable. The full response carries every book and every line, alternates included, in the same call.
{
"home_team_key": "rays",
"away_team_key": "athletics",
"home_team_id": "mlb:139",
"away_team_id": "mlb:133",
"id": "210408",
"sport_key": "baseball_mlb",
"home_team": "Tampa Bay Rays",
"away_team": "Athletics",
"commence_time": "2026-09-15T22:40:00Z",
"live": false,
"last_update": "2026-09-15T14:27:03.894318Z",
"merged_from_event_ids": null,
"bookmakers": [
{
"key": "betmgm",
"title": "BetMGM",
"last_update": "2026-09-15T14:26:11.496364Z",
"link": null,
"app_link": null,
"pregame_only": false,
"book_event_id": null,
"markets": [
{
"key": "h2h",
"description": "Moneyline",
"last_update": "2026-09-15T14:26:11.496364Z",
"period": null,
"suspended_at": null,
"team": null,
"outcomes": [
{
"name": "Tampa Bay Rays",
"description": "",
"price": -235,
"point": null,
"book_updated_at": null,
"book_version": null,
"payout_multiplier": null,
"dfs_odds_type": null,
"last_change_at": "2026-09-15T08:17:55.483344Z",
"last_seen_at": "2026-09-15T14:26:11.496364Z",
"liquidity": null,
"liquidity_updated_at": null,
"line_gap": null,
"book_outcome_id": null,
"outcome_id": null,
"player_id": null
},
{
"name": "Athletics",
"description": "",
"price": 190,
"point": null,
"book_updated_at": null,
"book_version": null,
"payout_multiplier": null,
"dfs_odds_type": null,
"last_change_at": "2026-09-15T08:17:55.483344Z",
"last_seen_at": "2026-09-15T14:26:11.496364Z",
"liquidity": null,
"liquidity_updated_at": null,
"line_gap": null,
"book_outcome_id": null,
"outcome_id": null,
"player_id": null
}
]
}
]
}
]
}The response shape is the-odds-api compatible — events, bookmakers, markets, outcomes — so migrating is usually a base URL change.
Try it
1. List MLB events to get an event id:
curl "https://api.prop-line.com/v1/sports/baseball_mlb/events?apiKey=YOUR_API_KEY"2. Pull moneyline for one game across every book — this exact URL works right now:
curl "https://api.prop-line.com/v1/sports/baseball_mlb/events/210408/odds?apiKey=YOUR_API_KEY&markets=h2h"3. After the game, get the graded outcomes with the actual stat:
curl "https://api.prop-line.com/v1/sports/baseball_mlb/events/210408/results?apiKey=YOUR_API_KEY"Steps 1 and 2 run on the free tier. Step 3 — prop resolution — starts on Hobby at $9/mo. See pricing.
Related endpoints
Other MLB markets
Moneyline in other sports
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