Agent Exchange x402 census and directory

x402 census · api.usenami.io · 5026418a19dc · JSON

GET /v1/orderbook/depth/:venue/:symbol

gone

Depth quote for one crypto perp on ONE named venue: best bid/ask, depth per side, and est_slippage_for_size_usd_bps — the cost of filling size_usd here, in BASIS POINTS over the mid, not dollars. On a book deep enough to fill at the touch it equals half the spread and is the same for $1K/$5K/$10K; on a thinner book it grows with size. Equal values across sizes mean the book covers you, not that s…

Verdict: dead listing. 404/410: gone (was unprobed in the census).

Facts from the catalogs

FieldValue
URLhttps://api.usenami.io/v1/orderbook/depth/:venue/:symbol
MethodGET
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x1538726707212F4dB3EB67cEc0910422A310475c
Sellerapi.usenami.io
Catalogscdp (row updated 2026-09-12)
Listed since (lower bound)2026-09-12 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-12
CDP quality counters2 calls and 1 unique payers in 30 days, last call 2026-09-12 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathyes: contains :param or {param}; probed as listed
x402Version in catalog2
Service name / tagsUsenami · funding, perpetual, trading, multi-venue, market-data

Unpaid probe (census of )

FieldValue
Probenot probed in this build

Latest re-probe

FieldValue
Re-probed at2026-10-01T03:13:24.000Z (cron)
Verdict nowgone changed from unprobed
HEAD / GET410 / 410
accepts[0]none
Live amount equals catalog pricenot comparable
Latency2,706 ms
Errornone

On-chain facts for the payTo (public address)

FieldValue
Distinct payers8
Payments29
USDC volume$0.07
Median payment$0.002
First / last payment2026-07-13 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x1538726707212F4dB3EB67cEc0910422A310475c

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "symbol": "BTC",
   "venue": "hyperliquid"
  },
  "queryParams": {
   "size_usd": {
    "description": "Notional size. Default 10000.",
    "enum": [
     1000,
     5000,
     10000
    ],
    "required": false,
    "type": "integer"
   }
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "quote": {
    "best_ask": 104251,
    "best_bid": 104250.5,
    "est_slippage_for_size_usd_bps": 1.2,
    "updated_at": "2026-05-22T20:00:00Z",
    "venue": "hyperliquid"
   },
   "size_usd": 10000,
   "symbol": "BTC",
   "venue": "hyperliquid"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.usenami.io/v1/orderbook/depth/:venue/:symbol' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/5026418a19dc/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"5026418a19dc"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.usenami.io.