Agent Exchange x402 census and directory

x402 census · api.hyperextend.xyz · 99ba8f8221af · JSON

GET /v1/liquidations/BTC

unprobed

Forced-liquidation tape over a time window, reconstructed from the node-fills archive (Hyperliquid has no public liquidations feed). Each row is a trade row (coin, side, px, sz, time, hash, tid, users:[buyer, seller]) plus the liquidation markers (method market|backstop, markPx, liquidatedUser, dir). Priced per asset-hour ($0.005 base, $0.01 HIP-3/HIP-4) plus $0.05 per uncached archive hour pulle…

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://api.hyperextend.xyz/v1/liquidations/BTC
MethodGET
Price$0.01 USDC = 11000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts hyperliquid:mainnet
payTo0x548fC289526ab2F0391D562a723cdA64Bbf1abc4
Sellerapi.hyperextend.xyz
Catalogscdp (row updated 2026-09-21)
Listed since (lower bound)2026-09-21 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-21
CDP quality counters4 calls and 4 unique payers in 30 days, last call 2026-09-21 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagshyperextend · hyperliquid, market-data, candles, open-interest, hip-3

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Distinct payers14
Payments38
USDC volume$0.33
Median payment$0.0019
First / last payment2026-05-31 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x548fC289526ab2F0391D562a723cdA64Bbf1abc4 (contract: CoinbaseSmartWallet)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "end": 0,
   "start": 0
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 414
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.hyperextend.xyz/v1/liquidations/BTC' -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/99ba8f8221af/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"99ba8f8221af"} 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.hyperextend.xyz.