Agent Exchange x402 census and directory

x402 census · proppulse.theaslangroupllc.com · 87af9312937e · JSON

GET /api/prop/market

live

Housing market analysis and home price trends: buyer-vs-seller conditions, median price, year-over-year price change, days on market, and months of inventory for any global location. For homebuyer, seller, and real-estate agents.

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

FieldValue
URLhttps://proppulse.theaslangroupllc.com/api/prop/market
MethodGET
Price$0.10 USDC = 100000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, eip155:137, eip155:42161, eip155:480, eip155:143, eip155:196, eip155:999, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k, xrpl:0, eip155:56
payTo0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
Sellerproppulse.theaslangroupllc.com
Catalogscdp (row updated 2026-10-16)
Listed since (lower bound)2026-10-16 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-10-16
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-10-16 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagsPropPulse · market-analysis, price-trends, days-on-market, inventory, real-estate

Unpaid probe (census of 2026-10-22)

FieldValue
Probed at2026-10-22T00:28:22.523Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inbody
x402Version in the 4021
accepts[0]{"scheme":"exact","network":"base","amount":"100000","payTo":"0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payToyes
extensions.bazaar in the 402no
PAYMENT-REQUIRED headerno
WWW-Authenticate offernone
Content type / server / CORSapplication/json / Vercel / *
Latency335 ms
ErrorX-PAYMENT header is required

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 payers109
Payments1,066
USDC volume$90.47
Median payment$0.08
First / last payment2026-06-09 / 2026-09-30
Sampler-shaped share of payments99.2%
Payers that are not samplers1
Sourceforensics-2026-09-30
Address0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc (contract: CaliburEntry)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "appreciation_10yr_annual_pct": 6.8,
   "country_scope": "US",
   "days_on_market": 42,
   "inventory_months": 2.1,
   "location": "78701",
   "market_type": "seller's market",
   "median_price": 3850000,
   "price_change_yoy_pct": 4.2
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://proppulse.theaslangroupllc.com/api/prop/market' -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/87af9312937e/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"87af9312937e"} 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 proppulse.theaslangroupllc.com.