---
title: "Crypto Order Book ($0.004/call)"
method: GET
path: "/orderbook"
tags: ["crypto", "orderbook", "bid-ask", "spread", "market-data", "trading", "liquidity", "market-microstructure", "bitcoin"]
---

# Crypto Order Book ($0.004/call)

`GET /orderbook`

## Request

- Base URL: `https://x402.shizu.me`
- URL: `https://x402.shizu.me/orderbook`
- Auth: none declared

Live order book for a crypto pair (e.g. BTC-USD). Default level=1: best bid/ask with sizes, mid price, spread, and spread_bps. level=2 adds top-of-book depth (depth param, 1-50 price levels per side, default 20). Real-time from Coinbase. Use for trading signals, spread monitoring, liquidity checks, and execution decisions.

Paid endpoint: $0.004 per call via the x402 protocol (USDC on Base). An unpaid request returns 402 with payment requirements in the PAYMENT-REQUIRED response header; attach payment and retry.

## Query parameters

- `pair` string

## Response `200`

Paid result (JSON)

## Other responses

- `402`: Payment required — x402 requirements in the PAYMENT-REQUIRED response header

---

[API](https://skmtc.dev/shizu/apis/scrape402.md) · [All operations](https://skmtc.dev/shizu/apis/scrape402/llms.txt) · [OpenAPI document](https://skmtc.dev/shizu/apis/scrape402/revisions/0852d74798b8?raw)