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GET
/
v2
/
kalshi
/
orderbooks
Get Kalshi Orderbooks
curl --request GET \
  --url https://api.predexon.com/v2/kalshi/orderbooks \
  --header 'x-api-key: <api-key>'
{
  "snapshots": [
    {
      "ticker": "<string>",
      "timestamp": 123,
      "yes_bids": [
        {
          "price": 123,
          "size": 123
        }
      ],
      "yes_asks": [
        {
          "price": 123,
          "size": 123
        }
      ],
      "best_bid": 123,
      "best_ask": 123,
      "bid_depth": 123,
      "ask_depth": 123,
      "sequence": 123
    }
  ],
  "pagination": {
    "limit": 123,
    "count": 123,
    "has_more": true,
    "pagination_key": "<string>"
  }
}
Fetch historical orderbook snapshots for a Kalshi market. Data starts from January 7th, 2026.
Free & Unlimited. This endpoint does not count toward your monthly usage limits on any plan.
ConstraintValue
limit1–200 (default 100)
Timestamps are in milliseconds. Prices are in cents (1–99).

Authorizations

​
x-api-key
string
header
required

Query Parameters

​
ticker
string
required

The Kalshi market ticker

​
start_time
integer
required

Start time in Unix timestamp (milliseconds)

​
end_time
integer
required

End time in Unix timestamp (milliseconds)

​
limit
integer
default:100

Maximum number of snapshots to return

Required range: 1 <= x <= 200
​
pagination_key
string | null

Pagination key to get the next chunk of data

Response

Successful Response

Kalshi orderbooks endpoint response.

​
snapshots
KalshiOrderbookSnapshot · object[]
required
​
pagination
CursorPagination · object
required

Cursor-based pagination for endpoints that don't support offset.