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Documentation Index

Fetch the complete documentation index at: https://docs.kalshi.com/llms.txt

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Properties

NameTypeDescriptionNotes
fill_idstrUnique identifier for this fill
trade_idstrUnique identifier for this fill (legacy field name, same as fill_id)
order_idstrUnique identifier for the order that resulted in this fill
tickerstrUnique identifier for the market
market_tickerstrUnique identifier for the market (legacy field name, same as ticker)
sidestrSpecifies if this is a ‘yes’ or ‘no’ fill
actionstrSpecifies if this is a buy or sell order
count_fpstrFixed-point contract count string (2 decimals, e.g., "10.00"; referred to as "fp" in field names). Requests accept 0–2 decimal places (e.g., "10", "10.0", "10.00"); responses always emit 2 decimals. Fractional contract values (e.g., "2.50") are supported on markets with fractional trading enabled; the minimum granularity is 0.01 contracts. Integer contract count fields are legacy and will be deprecated; when both integer and fp fields are provided, they must match.
yes_price_dollarsstrUS dollar amount as a fixed-point decimal string with up to 6 decimal places of precision. This is the maximum supported precision; valid quote intervals for a given market are constrained by that market’s price level structure.
no_price_dollarsstrUS dollar amount as a fixed-point decimal string with up to 6 decimal places of precision. This is the maximum supported precision; valid quote intervals for a given market are constrained by that market’s price level structure.
is_takerboolIf true, this fill was a taker (removed liquidity from the order book)
created_timedatetimeTimestamp when this fill was executed[optional]
fee_coststrUS dollar amount as a fixed-point decimal string with up to 6 decimal places of precision. This is the maximum supported precision; valid quote intervals for a given market are constrained by that market’s price level structure.
subaccount_numberintSubaccount number (0 for primary, 1-32 for subaccounts). Present for direct users.[optional]
tsintUnix timestamp when this fill was executed (legacy field name)[optional]