dome_orderbook_history_get

Tool

Fetches historical orderbook snapshots for a specific Kalshi market (ticker) over a specified time range. If no start_time and end_time are provided, returns the latest orderbook snapshot for the market. Returns snapshots of the order book including yes/no bids and asks with prices in both cents and dollars. All timestamps are in milliseconds. Orderbook data has history starting from October 29th, 2025. Note: When fetching the latest orderbook (without start/end times), the limit parameter is ignored.

Pricing

Per call

$0.02

Model

flat

Pay only for what you use. No subscriptions.

Inputs

end_time

integer

limit

integer

start_time

integer

ticker *

string

Try It

API

MCP Config

Input Parameters

end_time

End time in Unix timestamp (milliseconds). Optional - if not provided along with start_time, returns the latest orderbook snapshot.

limit

Maximum number of snapshots to return (default: 100, max: 200). Ignored when fetching the latest orderbook without start_time and end_time.

start_time

Start time in Unix timestamp (milliseconds). Optional - if not provided along with end_time, returns the latest orderbook snapshot.

ticker

The Kalshi market ticker

Cost per run

Execution cost

$0.02

Deducted from your xPay allowance

Dome API

Tool