io.github.proplineapi/propline-mcp

Tools

• propline_export_odds_history

  Backfill-pass / Enterprise only. Bulk line-movement tick history as CSV — every recorded odds snapshot (price + line, per book, including period markets) across a whole sport, one row per (outcome, snapshot). This is the raw firehose no subscription tier can bulk-pull (Pro/Streaming use propline_get_odds_history per event instead). REQUIRES a since/until window to keep the pull bounded — the full archive runs to gigabytes per sport. The result is capped to the first 200 rows for context safety; for the full dataset use the /v1/exports/odds-history endpoint directly with curl/SDK and stream to disk. Non-entitled keys get a 403 with an upgrade pointer.

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• propline_get_best_line

  Cross-book line shopping (Hobby+ for prices; free tier gets the full structure with book identities + best-first ranking but prices nulled and redacted:true). For every (market, player, line) tuple on an event, returns the single best American price across all comparable books, plus an all_prices array sorted best-first (one row per book, each with last_update). Companion to propline_get_event_ev: /ev says whether a price beats the no-vig fair line; best-line says which book pays the most. DFS pick'em books (PrizePicks, Sleeper, Dabble) are excluded; Underdog only at clean two-way lines. Optional bookmakers filter to shop only the books the user holds accounts at.

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• propline_get_dfs_payouts

  Free-tier reference math. Returns the PrizePicks Power Play (all legs must hit) and Flex Play (partial payouts) entry payout schedule for 2-6 legs, plus the per-leg breakeven win probability for each play. Pass leg_win_prob (e.g. 0.58) to also get expected_return (per $1) and is_plus_ev per play — the slip-level breakeven. Useful for: 'what hit rate do I need to beat a 4-pick PrizePicks Power play', 'is a 3-leg flex +EV at 60% per leg'. NOTE: standard published payouts only — demon/goblin per-pick modifiers aren't in PrizePicks's feed (see the disclaimer field); breakeven assumes independent legs.

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• propline_get_event_context

  Game context for an event — the conditions a prop settles under. MLB: probable starting pitchers and their throwing hand (L/R/S — platoon-split context for every batter prop), a confirmed-lineup flag, the home-plate umpire, and first-pitch weather (temperature, wind, precipitation) at outdoor / open-roof venues (indoor venues return weather=null). NFL & NCAAF: the venue and kickoff weather. The same block is embedded in get_event_results, so every graded prop carries its conditions — unique to PropLine. Free tier. 404 when no context is on file for the event yet.

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• propline_get_event_ev

  Pro-tier endpoint. Returns cross-book +EV per outcome for an event. We anchor on a sharp book, remove vig, derive a no-vig fair line, and compute EV% per book at the same line. Outcomes are sorted with +EV plays floated to the top of each line group. PrizePicks is excluded from EV math (DFS payouts aren't comparable to per-book prices). The anchor is chosen PER LINE in the order pinnacle → polymarket → kalshi → bovada, and each line's fair_source names the one used — report the anchor from fair_source per line, never assume Pinnacle anchored all of them. Optional bookmakers filter prices to the books the user holds accounts at; it never changes the anchor, so filtering to DraftKings still measures DraftKings against Pinnacle.

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• propline_get_event_movement

  Line movement + steam detection from the snapshot tick history. Per (book, market, outcome): opening line, latest line, signed implied-probability shift, point shift, direction. The steam[] array flags outcomes that multiple books moved the same direction — the classic sharp-money signal, computed across all 16 books PropLine polls. When a book moves the line itself, that outcome's prob_shift is null and direction is 'line_moved' (excluded from the steam signal). No pull-only odds API can produce this. Hobby+ full; free tier redacted.

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• propline_get_event_projections

  Market-implied consensus projection per (market, player) for an event: the line where the no-vig P(over) crosses 50%, median across contributing sportsbooks. Use it to validate statistical or fantasy projections against the live market. These are MARKET-IMPLIED values derived purely from sportsbook prices — never a forecast, and no accuracy claim is made; present them as 'the market implies X', not 'PropLine projects X'. DFS pick'em pricing is excluded; each row carries books_contributing and a stable player_id (null until the player has graded). Hobby+ for values; free tier gets the structure redacted.

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• propline_get_event_results

  Pro-tier endpoint. Returns graded prop outcomes for a completed event — every Over/Under marked won, lost, push, or void with the actual stat value next to the line. The single most distinctive feature vs the-odds-api: they don't grade props at any tier. Free tier returns the same structure with resolution and actual_value redacted plus an upgrade pointer.

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• propline_get_event_stats

  Book-agnostic raw box-score stats for an event. Returns per-player stats (e.g. strikeouts, hits, points, rebounds, shots-on-goal) decoupled from any sportsbook's lines. LIVE during games for major US sports (MLB + WNBA now; NFL, NCAAF, NBA, NHL at season start): while the event's status is in_progress, stats refresh ~every 90 seconds with cumulative in-game values — use this to answer 'how is this prop tracking right now'. Treat in-progress numbers as partial; at status=final they are the official box score. Other sports populate stats at game completion. Free tier.

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• propline_get_futures

  Free-tier endpoint. Returns season-long futures (outright) markets for a sport — championship/Super Bowl/division/conference winners, MVP and award winners, season win totals — aggregated across Bovada, FanDuel, DraftKings, and Pinnacle. One row per (futures event, book, market) with each team/player outcome and its price. Marquee markets (Super Bowl winner, MVP, division/conference) are quoted by multiple books for comparison; exotic markets are often single-book. Useful for: 'who are the Super Bowl favorites across books', 'NFL MVP odds', 'NBA championship futures'. Futures are unresolved (no settlement grade).

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• propline_get_mlb_grand_salami

  Free-tier endpoint. Returns the synthetic daily MLB Grand Salami for a given UTC date — total runs scored across every MLB game on the slate plus each book's implied Grand Salami line (median of per-game primary totals across our MLB books incl. Pinnacle, Polymarket, Matchbook, Smarkets). No retail sportsbook quotes this as a single market. Useful for: 'what's the total run line for tonight's full MLB slate', 'did the Grand Salami go over yesterday', 'historical Grand Salami results for backtesting'.

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• propline_get_nhl_daily_goals_total

  Free-tier endpoint. Returns the synthetic daily NHL goals total (hockey's equivalent of the MLB Grand Salami) for a given UTC date — total goals scored across every NHL game on the slate (including OT/SO) plus each book's implied Daily Goals Total line (median of per-game primary totals across our NHL books). No retail sportsbook quotes this as a single market. Useful for: 'what's the total goal line for tonight's full NHL slate', 'did the Daily Goals Total go over yesterday', 'historical NHL daily-goals results for backtesting'.

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• propline_get_odds

  Get live odds. If event_id is supplied, returns full per-event props for that event; otherwise returns bulk game-line odds for the whole sport. Pass markets as a comma-separated list (e.g. 'h2h,spreads,totals' or 'player_points,player_rebounds'). Response includes a bookmakers[] array across every book that carries the requested markets (currently up to 13: Bovada, DraftKings, FanDuel, Pinnacle, BetMGM, BetRivers, Unibet, Underdog, PrizePicks, Kalshi, Polymarket, Matchbook, Smarkets — coverage varies by sport). Underdog Fantasy outcomes carry a payout_multiplier on EVERY outcome (1.0 = standard pick, e.g. 1.5 = boost, 0.75 = discount; null means the book is not Underdog) — keep only payout_multiplier == 1.0 when comparing DFS lines to sportsbook consensus, since filtering on non-null would drop every Underdog line. Each market carries suspended_at: null while on the board, set when that book pulled the market pregame (late scratch, dropped market type) — its outcomes are then the last quoted legs, not a live price. Treat a suspended market as unbettable and, if several books show it for one player, as a probable scratch. Each BOOKMAKER carries pregame_only: true when the event is live and that book does not price it in play, so its prices are the last pregame quote and will never move again this game. suspended_at cannot show this — a book with no in-play feed is never polled once the game starts, so nothing goes missing to flag. Exclude pregame_only books when reasoning about a live game; they are still returned because on DFS books that frozen line is what the bet settles against. Each market also carries team: the canonical event team name when the market is scoped to ONE team (a TEAM total), and null for the game total. Both ride the totals key, so NEVER compare totals on (market key, point) alone — a team total at 0.5 is not a game total at 0.5. Filter team == null for the game total; team matches home_team/away_team exactly. Always null outside totals.

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• propline_get_odds_closing

  Hobby+ endpoint. Returns the OPENING and CLOSING line per (book, market, outcome) for an event. Closing = the last snapshot at or before commence_time (price/point/closing_at); opening = the first snapshot in the same 14-day pre-kickoff window (opening_price/opening_point/opening_at). Canonical CLV-tracking helper; one call returns both data points your bet should be measured against, instead of fetching full history and post-processing. Compare the POINTS as well as the prices — on spreads and totals the number moves as much as the price, so a price-only comparison mis-measures those markets. opening_age_seconds says how long before kickoff the opener was recorded: the archive starts 2026-04, so a small value means PropLine started polling late and this is not the book's true open. Free tier returns redacted structure with upgrade pointer.

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• propline_get_odds_history

  Hobby+ endpoint. Returns the historical line-movement snapshot series for an event (every recorded price/point change per outcome over the event's lifetime). Free tier returns market structure with redacted snapshots and an upgrade pointer. Supports period-historical filters: from/to (absolute ISO), relative_from/relative_to (offsets to commence_time like '-3h' or '0'), interval downsample ('30s'/'1m'/'5m'/'15m'/'30m'/'1h'), and changes_only=true to drop unchanged adjacent snapshots.

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• propline_get_player_games

  A player's recent games with every raw box-score stat per game — one call instead of one request per event. Use this to answer 'how has X actually performed lately?' and to build L5/L10/L20, season splits and head-to-head yourself. Pass `opponent` for H2H (accepts a full name, nickname or abbreviation — 'Boston Red Sox', 'Red Sox', 'BOS'); the limit applies AFTER that filter, so opponent + limit=10 means the last 10 MEETINGS, not the Boston games among the last 10 games. H2H is not capped to the current season. IMPORTANT: this is the raw box-score archive, NOT graded-prop history — it covers every game with a box score on file, including games no sportsbook priced, so a 'last 10 games' window here really is the last 10 games (one built from propline_get_player_trends silently skips unpriced games). It carries no line, price or grade; use propline_get_player_trends for hit rates against a posted line. `player_team`/`opponent`/`is_home` are null when the player's side can't be identified, and always for individual sports (tennis, golf, UFC) — report them as unknown rather than guessing.

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• propline_get_player_history

  Player prop history across recent games. Returns each prior prop this player took with line, prices, resolution, and actual value. Pro tier returns full data; free tier returns redacted resolution/actual_value with an upgrade pointer.

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• propline_get_player_trends

  Hit-rate trends / last-N-games over rate for a player — unique to PropLine's prop-resolution data. For each market the player has graded history in, returns over/under/push splits across the last 5/10/20/50 graded games, current streak, average actual stat, and the recent line. This is the 'did X go over in N of his last M games?' surface. Omit `market` for all markets, or pass one to scope (e.g. 'player_points', 'batter_hits').

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• propline_get_resolution_summary

  Free-tier endpoint. Returns the factual volume of player props PropLine has graded against real box scores over the last N days (aggregated counts only): total graded/settled, games, sports covered, plus per-sport and top-market breakdowns. Useful for: 'how much graded prop data does PropLine have, what's the coverage'. A coverage proof, never a profitability claim.

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• propline_get_scores

  Free-tier endpoint. Returns recent and live game scores plus status (scheduled, live, final) for a sport. Useful for: 'is this game over yet, what was the final score'.

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• propline_get_webhook_deliveries

  Recent delivery attempts for one webhook (Streaming Lite tier and up), newest first — the debugging surface for 'why isn't my webhook firing'. Each row: status (pending/success/failed), HTTP response_code, attempts, delivered_at and the payload that was sent. A pending row with attempts > 0 is mid-retry-backoff; status 'failed' with response_code null means the endpoint was unreachable or timed out (8s). Page backwards through a deep queue with before_id = the smallest id on the previous page; a page shorter than limit is the last one.

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• propline_grade_clv

  Hobby+ endpoint. Grades PLACED bets against their closing lines. Closing line value is the only durable proxy for whether a bettor has edge: did the price they took beat the number the market settled on? Send the bets and each comes back with its closing price, the de-vigged closing fair probability, CLV, and — once the game settles — the graded resolution and actual stat value, plus a portfolio summary. Stateless: nothing is stored. TWO CLV numbers are returned deliberately. clv_pct is price-vs-price: familiar and quotable, but VIG-BLIND, so it flatters a bet taken on the juicy side of a wide market. ev_vs_close_pct scores the price against the DE-VIGGED close and is the honest one — report that one when the user asks whether they got value. The de-vig anchors to the SHARPEST book quoting that line at close (fair_source), not the book they bet at, because de-vigging their own book always returns a negative number (they paid its hold). Bets whose event has not started carry closing_is_final=false, are counted in summary.pending, and are EXCLUDED from the summary averages: before kickoff the 'closing' price is just the latest price, so CLV is ~0 by construction — do not present those as results. Matching is fail-closed: a bet that cannot be pinned to exactly one stored outcome returns matched=false with an unmatched_reason instead of a wrong match, so surface those rows rather than silently dropping them. Max 500 bets per request. Free tier returns structure with every number nulled.

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• propline_list_event_markets

  List the market types available for a specific event (e.g. h2h, spreads, totals, player_points, pitcher_strikeouts). Useful when you don't know which prop markets a given event carries.

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• propline_list_events

  List upcoming events for a sport. Returns each event's id, home_team, away_team, commence_time. Use the returned event_id to drill into per-event odds, props, +EV, or results.

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• propline_list_sports

  List all sports PropLine currently polls. Returns sport keys (e.g. baseball_mlb, basketball_nba, soccer_epl) along with human titles and active status. Use this first to discover what sport_key values are valid for the other tools.

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• propline_list_webhooks

  List the API key's webhook subscriptions (Streaming Lite tier and up; other tiers get a 403 with an upgrade URL). Read-only: signing secrets are always masked, and this server deliberately has no create/update/delete tools — manage subscriptions via the REST API or SDKs. Each row shows url, subscribed events (line_movement, resolution, steam, market_suspended), filters and active status. Use this first to find the webhook id for propline_get_webhook_deliveries.

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