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GET
cURL

Authorizations

x-api-key
string
header
required

Path Parameters

marketId
string
required

Kalshi or Polymarket market identifier

Minimum string length: 1
Example:

"KXF1-25-LN"

Response

object | null

Orderbook depth for the given market

yes
number[][]
required

YES-side levels sorted by price ascending. Each entry is a [price_cents, size] tuple. price_cents is rounded, so sub-cent levels show 0; size may be fractional.

Required array length: 2 elements
no
number[][]
required

NO-side levels sorted by price ascending. Each entry is a [price_cents, size] tuple. price_cents is rounded, so sub-cent levels show 0; size may be fractional.

Required array length: 2 elements
yes_dollars
array[]
required

YES-side levels with price as decimal dollar string. Each entry is a [price_string, size] tuple, e.g. ["0.0100", 346014].

Required array length: 2 elements
no_dollars
array[]
required

NO-side levels with price as decimal dollar string. Each entry is a [price_string, size] tuple, e.g. ["0.0100", 219].

Required array length: 2 elements