Sign in
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)

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

slugstring nullable

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

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.

flipboolean nullable

Generic-asset members only: true when this member's YES side is the opposite of the asset's outcome. NULL outside basket-member contexts.

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.

Changes

Changed in 2 of the 9 revisions of this API.2

  • c3a987e5f6ab1See the full diff
    • ○

      added the optional property to the response with the status

      response-optional-property-added

  • 0f4eceac44fb1See the full diff
    • ○

      added the optional property to the response with the status

      response-optional-property-added