Agent Exchange x402 census and directory

x402 census · api.magentlab.com · 6e7556546f7b · JSON

POST /api/calc/pmp

unreachable

Ghanem 2012 Table 5 bedside preoperative mortality predictor. Inpatient 6, sepsis 4, poor functional status (total ADL assistance) 3, disseminated cancer 1, age (≥80 → 2; 70–79 → 1; 65–69 → 0.5; else 0), cardiac 5, pulmonary 3, renal 1, liver 1, chronic steroid 1, >10% weight loss 1, bleeding disorder 1, DNR 1, obesity −1. Range −1 to 30. Figure 3: <1% died in 0–5, 73% in 20–30. Not a go/no-go fo…

Verdict: dead listing. connection failed or timed out.

Facts from the catalogs

FieldValue
URLhttps://api.magentlab.com/api/calc/pmp
MethodPOST
Price$0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x836Be278f1739fB4308091cD1852F7971Bc19Ee2
Sellerapi.magentlab.com
Catalogscdp (row updated 2026-09-28)
Listed since (lower bound)2026-09-28 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-28
CDP quality counters2 calls and 1 unique payers in 30 days, last call 2026-09-28 (catalog-reported, not verified on chain)
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsmagent · pmp, preoperative, mortality, nsqip, calculator

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:19:17.286Z
HEADno answer
GETno answer
Verdictunreachable connection failed or timed out
402 carried inn/a
x402Version in the 402n/a
accepts[0]none
Live amount equals catalog priceno (live vs catalog 5000)
Live payTo equals catalog payTono
extensions.bazaar in the 402no
PAYMENT-REQUIRED headerno
WWW-Authenticate offernone
Content type / server / CORSn/a / n/a / none
Latency0 ms
Errorskipped: host unreachable (fetch failed: ECONNRESET) after 3 consecutive connection errors

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 payers1
Payments2
USDC volume$0.01
Median payment$0.005
First / last payment2026-08-26 / 2026-08-26
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x836Be278f1739fB4308091cD1852F7971Bc19Ee2

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "items": [
    {
     "age": 50,
     "bleeding_disorder": false,
     "cardiac_comorbidity": false,
     "disseminated_cancer": false,
     "dnr": false,
     "inpatient": false,
     "liver_comorbidity": false,
     "obesity": true,
     "poor_functional_status": false,
     "pulmonary_comorbidity": false,
     "renal_comorbidity": false,
     "sepsis": false,
     "steroid_chronic": false,
     "weight_loss_gt_10_percent": false
    },
    {
     "age": 50,
     "bleeding_disorder": false,
     "cardiac_comorbidity": false,
     "disseminated_cancer": false,
     "dnr": false,
     "inpatient": false,
     "liver_comorbidity": false,
     "obesity": true,
     "poor_functional_status": false,
     "pulmonary_comorbidity": false,
     "renal_comorbidity": false,
     "sepsis": false,
     "steroid_chronic": false,
     "weight_loss_gt_10_percent": false
    }
   ]
  },
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 4022
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://api.magentlab.com/api/calc/pmp' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. 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/6e7556546f7b/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"6e7556546f7b"} 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.magentlab.com.