Create RFQ - API Documentation

curl --request POST \ --url https://external-api.kalshi.com/trade-api/v2/communications/rfqs \ --header 'Content-Type: application/json' \ --header 'KALSHI-ACCESS-KEY: <api-key>' \ --header 'KALSHI-ACCESS-SIGNATURE: <api-key>' \ --header 'KALSHI-ACCESS-TIMESTAMP: <api-key>' \ --data ' { "market_ticker": "<string>", "rest_remainder": true, "contracts": 123, "contracts_fp": "10.00", "target_cost_centi_cents": 123, "target_cost_dollars": "0.5600", "replace_existing": false, "subtrader_id": "<string>", "subaccount": 123 } '

Authorizations

KALSHI-ACCESS-KEY

string

header

required

Your API key ID

KALSHI-ACCESS-SIGNATURE

string

header

required

RSA-PSS signature of the request

KALSHI-ACCESS-TIMESTAMP

string

header

required

Request timestamp in milliseconds

Body

application/json

market_ticker

string

required

The ticker of the market for which to create an RFQ

rest_remainder

boolean

required

Whether to rest the remainder of the RFQ after execution

contracts

integer

Whole-contract count for the RFQ. Use contracts_fp for partial contract values; if both are provided, they must match.

contracts_fp

string | null

Fixed-point number of contracts for the RFQ. Supports partial contracts in 0.01-contract increments; if contracts is also provided, both values must match.

Example:

"10.00"

target_cost_centi_cents

integer<int64>

deprecated

DEPRECATED: The target cost for the RFQ in centi-cents. Use target_cost_dollars instead.

target_cost_dollars

string

The target cost for the RFQ in dollars

Example:

"0.5600"

replace_existing

boolean

default:false

Whether to delete existing RFQs as part of this RFQ's creation

subtrader_id

string

The subtrader to create the RFQ for (FCM members only)

subaccount

integer

The subaccount number to create the RFQ for (direct members only; 0 for primary, 1-32 for subaccounts)

Response

RFQ created successfully

string

required

The ID of the newly created RFQ