Consolidated best bid and ask for one crypto perpetual across every tracked venue — the cr
Consolidated best bid and ask for one crypto perpetual across every tracked venue — the cross-venue BBO, and which venue holds each side. CEX and DEX perp venues in one quote.
2000 (raw units)
price
3
calls / 30d
3
unique payers
2026-09-11
updated
Provider
api.usenami.io · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x1538726707212F4dB3EB67cEc0910422A310475c",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "2000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"symbol": "BTC"
},
"type": "http"
},
"output": {
"example": {
"best_ask": {
"price": 3850.5,
"size": 8.5,
"venue": "okx"
},
"best_bid": {
"price": 3850.25,
"size": 10,
"venue": "binance"
},
"symbol": "ETH-PERP"
},
"type": "json"
}
},
"routeTemplate": "/v1/orderbook/aggregate/:symbol",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"type": "string"
},
"pathParams": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://api.usenami.io/v1/orderbook/aggregate/:symbol" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://api.usenami.io/v1/orderbook/aggregate/:symbol");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://api.usenami.io/v1/orderbook/aggregate/:symbol")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/6410.json, and this resource appears in /discovery/resources and /discovery/search.