Kalshi Orderbook

Order book for a Kalshi market by ticker: resting yes and no bids with price (dollars) and size (contracts).

Overview

Order book for a Kalshi market by ticker: resting yes and no bids with price (dollars) and size (contracts). Optional depth. Read-only (no Kalshi key needed).

Endpoint

Method	Endpoint	Price	Description
GET	/v1/marketplace/api/kalshi-orderbook	$0.00115	Invoke Kalshi Orderbook (General) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i https://api.jarvisclaw.ai/v1/marketplace/api/kalshi-orderbook

# 2. Pay it (the SDK signs and retries for you)
curl -H "X-PAYMENT: <signed-payload>" https://api.jarvisclaw.ai/v1/marketplace/api/kalshi-orderbook

Open in the marketplace