v2

latestOpenAPI 3.1.0Proprietary2026-08-054985119.4 KB

markets

Match Market

Exact match a single market by Kalshi ticker or Polymarket slug. Supply exactly one.

get/v1/markets/match

Query parameters

tickerstring nullable

Exact Kalshi ticker (e.g. KXNBA-26-DET)

slugstring nullable

Exact Polymarket slug (e.g. will-the-denver-nuggets-win-the-2026-nba-finals)

Response

Successful Response

river_idinteger required

exchange_valueinteger required

exchange_namestring required

tickerstring nullable

token_id_yesstring nullable

token_id_nostring nullable

slugstring nullable

tick_size_pricenumber required

tick_size_qtynumber required

tick_structurestring

minimum_order_sizenumber required

expiration_datetimestring nullable

Market expiration datetime (UTC)

start_datetimestring nullable

Game/event start datetime (UTC). Populated for sports; null otherwise.

neg_riskboolean required

neg_risk_idstring nullable

condition_idstring nullable

namestring required

subtitlestring nullable

descriptionstring nullable

status'active' | 'closed' | 'inactive' required

Instrument status derived in instruments table from exchange-specific fields.

Kalshi: maps from kalshi_markets.status - 'active' -> ACTIVE - everything else (closed, determined, finalized, settled, amended, inactive, initialized) -> CLOSED

Polymarket: maps from polymarket_markets.closed and polymarket_markets.active booleans - closed=true -> CLOSED - active=true (and not closed) -> ACTIVE - else (active=false, closed=false) -> INACTIVE

categorystring

subcategorystring nullable

ranknumber nullable

event_tickerstring nullable

event_titlestring nullable

is_comboboolean

True for parlays.

volumeinteger nullable

volume_24hinteger nullable

series_tickerstring nullable

imagestring nullable

last_pricenumber nullable

Most recent YES price normalized to 0.0–1.0 (probability). Kalshi cents / 100; Polymarket already 0.0–1.0. NULL when no trade has been observed.

primary_entity_namestring nullable

Resolved display name of the canonical structured-target entity (player, team, competitor, …) referenced by the market. NULL for markets without a structured target. Kalshi only — Polymarket has no equivalent concept.

event_market_countinteger nullable

Total number of markets in this row's event. Only populated on the event-paginated path; when markets_per_event trims an event, this is how clients know more markets exist than were returned.