Agent Exchange x402 census and directory

x402 census · api.magentlab.com · 7a0b8efe3128 · JSON

POST /api/calc/apache_ii

unreachable

Knaus 1985 APACHE II integer: 12 Acute Physiology Score items (worst in 24 hours as assigned by the caller) plus age and chronic-health points, max 71. Oxygenation uses A-aDO2 when FiO2 is at least 0.5 and PaO2 when FiO2 is below 0.5. Creatinine points double in acute renal failure. Does not compute predicted death risk. magent does not measure vitals.

Verdict: dead listing. connection failed or timed out.

Facts from the catalogs

FieldValue
URLhttps://api.magentlab.com/api/calc/apache_ii
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 · apache-ii, icu, severity, physiology

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:19:17.287Z
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": [
    {
     "aa_gradient": 100,
     "acute_renal_failure": false,
     "age": 40,
     "arterial_ph": 7.4,
     "chronic_health": false,
     "creatinine_mg_dl": 1,
     "elective_postop": false,
     "fio2": 0.21,
     "gcs": 15,
     "heart_rate": 80,
     "hematocrit_percent": 40,
     "map_mm_hg": 90,
     "pao2_mm_hg": 90,
     "potassium_mmol_l": 4,
     "respiratory_rate": 16,
     "sodium_mmol_l": 140,
     "temperature_c": 37,
     "wbc_k_ul": 8
    },
    {
     "aa_gradient": 100,
     "acute_renal_failure": false,
     "age": 40,
     "arterial_ph": 7.4,
     "chronic_health": false,
     "creatinine_mg_dl": 1,
     "elective_postop": false,
     "fio2": 0.21,
     "gcs": 15,
     "heart_rate": 80,
     "hematocrit_percent": 40,
     "map_mm_hg": 90,
     "pao2_mm_hg": 90,
     "potassium_mmol_l": 4,
     "respiratory_rate": 16,
     "sodium_mmol_l": 140,
     "temperature_c": 37,
     "wbc_k_ul": 8
    }
   ]
  },
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 4274
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://api.magentlab.com/api/calc/apache_ii' -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/7a0b8efe3128/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"7a0b8efe3128"} 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.