calc shfm derived

api.magentlab.comInference derived

POST https://api.magentlab.com/api/calc/shfm

passlisted in Coinbase#3 by calls of 844 on this host

0.005 USDC

per call, as the listing declares it on eip155:8453

Compare with another Every figure as JSON Cite this page

the price, as of 2026-10-11 21:56 UTC · method · pinnable

Validation state: pass; as of 2026-10-11 05:12 UTC · method · pinnable · sweep daily-2026-10-11
Uptime, 7 / 30 / 90 days: 100% / 100% / 100%; as of 2026-10-11 05:12 UTC · method · pinnable · 7 of 7 in 7d, 15 of 15 in 30d, 15 of 15 in 90d
Calls, trailing 30 days: 4; as of 2026-10-11 21:56 UTC · method · pinnable
Unique payers, trailing 30 days: 3; as of 2026-10-11 21:56 UTC · method · pinnable
Last called: 2026-10-08 06:25 UTC; as of 2026-10-11 21:56 UTC · method · pinnable
First observed by TOLLderived: 2026-09-28; as of 2026-09-28 13:51 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived: 0.005 USDC; as of 2026-10-11 21:56 UTC · method · pinnable · on eip155:8453
Networks: 1; as of 2026-10-11 21:56 UTC · method · pinnable

Counters

38 observations, 5 of them a change

How has the volume on this endpoint moved?

Calls counted in the trailing 30 days on this endpoint, at every snapshot since 2026-09-28. Each point is a trailing-30-day sum as the registry published it, not a daily rate. The axis is truncated to the range of the data with a break at its foot.

In words

With 844 endpoints listed on api.magentlab.com, calc shfm is tied 3rd by calls with 174 others.

Requests carry a JSON body with the field items.

calc shfm returns json; the example shows path, count and items.

The registry's counters give calc shfm 4 calls and 3 unique payers over 30 days.

Its last counted call came 4 days before the snapshot.

calc shfm is priced at 0.005 USDC on Base.

TOLL files calc shfm under inference: a POST endpoint on api.magentlab.com, listed in the Coinbase registry.

calc shfm answered the sweep of 2026-10-11 with a valid 402, as at every sweep since 2026-09-28.

Closest in price to calc shfm within inference: prompt injection detect at agent.pocket.network and marine depth at api.geoprimitives.dev.

calc shfm is among the cheapest in inference; 9% of comparable listings ask less.

Across inference, 9,463 endpoints carry counters and calc shfm out-counts 92% of them.

The wallet paid by calc shfm is the payee of 844 endpoints on one host.

Seller tags: seattle-hf, heart-failure, hemodynamics and survival.

calc shfm dropped out of the registry at the pull of 2026-09-30 and was listed again on 2026-09-30.

The price of calc shfm is declared by 319 other listings in inference too.

Payment options as declared

the payment options, as of 2026-10-11 21:56 UTC · method · pinnable

Every payment option declared on this listing
registry	network	asset	amount	scheme	pay to
Coinbase	eip155:8453	USDC	0.005 USDC	exact	0x836Be2…c19Ee2

Preflight checks at the last sweep

the checks, as of 2026-10-11 05:12 UTC · method · pinnableendpoint answered HTTP 402

No named check failed.

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTC	state	sweep
2026-10-11 05:12 UTC	pass	daily-2026-10-11
2026-10-10 13:25 UTC	pass	daily-2026-10-10
2026-10-09 05:24 UTC	pass	daily-2026-10-09
2026-10-08 07:05 UTC	pass	daily-2026-10-08
2026-10-07 06:19 UTC	pass	daily-2026-10-07
2026-10-06 07:09 UTC	pass	daily-2026-10-06
2026-10-05 06:43 UTC	pass	daily-2026-10-05
2026-10-04 09:31 UTC	pass	daily-2026-10-04
2026-10-03 04:36 UTC	pass	daily-2026-10-03
2026-10-02 13:48 UTC	pass	daily-2026-10-02
2026-10-01 06:57 UTC	pass	daily-2026-10-01
2026-09-30 06:14 UTC	pass	daily-2026-09-30
2026-09-29 18:35 UTC	pass	daily-2026-09-29
2026-09-28 16:54 UTC	pass	daily-2026-09-28
2026-09-28 16:40 UTC	pass	new-after-daily-2026-09-28

Registry presence

Presence in a registry, not liveness of the service (method). Newest first.

2026-09-30 22:14 UTCback in Coinbase
2026-09-30 12:32 UTCabsent from Coinbase at this pull
2026-09-28 13:51 UTClisted in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-10-08 06:25 UTC · method · live

The input and output block

{
  "input": {
    "body": {
      "items": [
        {
          "age": 60,
          "arb": false,
          "icd": false,
          "sex": "male",
          "nyha": 2,
          "statin": false,
          "biv_icd": false,
          "ischemic": false,
          "sbp_mm_hg": 120,
          "weight_kg": 80,
          "ef_percent": 30,
          "allopurinol": false,
          "beta_blocker": true,
          "sodium_meq_l": 140,
          "ace_inhibitor": true,
          "biv_pacemaker": false,
          "hemoglobin_g_dl": 14,
          "uric_acid_mg_dl": 6,
          "k_sparing_diuretic": false,
          "lymphocyte_percent": 25,
          "total_cholesterol_mg_dl": 180,
          "loop_diuretic_furosemide_eq_mg_day": 0
        },
        {
          "age": 60,
          "arb": false,
          "icd": false,
          "sex": "male",
          "nyha": 2,
          "statin": false,
          "biv_icd": false,
          "ischemic": false,
          "sbp_mm_hg": 120,
          "weight_kg": 80,
          "ef_percent": 30,
          "allopurinol": false,
          "beta_blocker": true,
          "sodium_meq_l": 140,
          "ace_inhibitor": true,
          "biv_pacemaker": false,
          "hemoglobin_g_dl": 14,
          "uric_acid_mg_dl": 6,
          "k_sparing_diuretic": false,
          "lymphocyte_percent": 25,
          "total_cholesterol_mg_dl": 180,
          "loop_diuretic_furosemide_eq_mg_day": 0
        }
      ]
    },
    "type": "http",
    "method": "POST"
  },
  "output": {
    "type": "json",
    "example": {
      "path": "/api/calc/shfm",
      "count": 2,
      "items": [
        {
          "age": 60,
          "arb": false,
          "icd": false,
          "sex": "male",
          "nyha": 2,
          "score": -0.1089,
          "statin": false,
          "biv_icd": false,
          "formula": "shfm",
          "citation": {
            "id": "levy-2006-shfm",
            "doi": "10.1161/CIRCULATIONAHA.105.584102",
            "pmid": "16534009",
            "title": "The Seattle Heart Failure Model: Prediction of Survival in Heart Failure",
            "source": "Circulation. 2006;113(11):1424-1433",
            "authors": "Levy WC, Mozaffarian D, Linker DT, Sutradhar SC, Anker SD, Cropp AB, et al."
          },
          "ischemic": false,
          "sbp_mm_hg": 120,
          "weight_kg": 80,
          "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
          "ef_percent": 30,
          "allopurinol": false,
          "beta_blocker": true,
          "sodium_meq_l": 140,
          "ace_inhibitor": true,
          "biv_pacemaker": false,
          "hemoglobin_g_dl": 14,
          "uric_acid_mg_dl": 6,
          "formula_expression": "score = sum(ln(HR)*x); S(t)=exp(-0.0405*t)**exp(score) for t years 0-5; Levy 2006 Table 2 multivariate HRs (italic β=ln(HR); medication/device = patient-already-on column); 1/2/3-year survival % round 1 decimal; age/10 * ln(1.090); male ln(1.089) (forced); NYHA * ln(1.600); (100/EF)*ln(1.030); ischemic ln(1.354); min(SBP,160)/10 * ln(0.877); furosemide-eq mg/kg/day * ln(1.178) (furosemide 80 = torsemide 40 = bumetanide 3); allopurinol ln(1.571); if Na<138: (138-Na)*ln(1.050); (100/cholesterol)*ln(2.206); if Hb<16: (16-Hb)*ln(1.124); if Hb>16: (Hb-16)*ln(1.336); min(%lymphocytes,47)/5 * ln(0.897); max(uric_acid,3.4)*ln(1.064); ACEI ln(0.77); beta-blocker ln(0.66); ARB ln(0.85); K-sparing diuretic ln(0.74); statin ln(0.63); BiV pacemaker ln(1.00); ICD ln(0.73); BiV-ICD ln(0.79); devices mutually exclusive; not a diagnosis or treatment/device order",
          "k_sparing_diuretic": false,
          "lymphocyte_percent": 25,
          "survival_1y_percent": 96.4,
          "survival_2y_percent": 93,
          "survival_3y_percent": 89.7,
          "total_cholesterol_mg_dl": 180,
          "diuretic_furosemide_eq_mg_kg_day": 0,
          "loop_diuretic_furosemide_eq_mg_day": 0
        },
        {
          "age": 60,
          "arb": false,
          "icd": false,
          "sex": "male",
          "nyha": 2,
          "score": -0.1089,
          "statin": false,
          "biv_icd": false,
          "formula": "shfm",
          "citation": {
            "id": "levy-2006-shfm",
            "doi": "10.1161/CIRCULATIONAHA.105.584102",
            "pmid": "16534009",
            "title": "The Seattle Heart Failure Model: Prediction of Survival in Heart Failure",
            "source": "Circulation. 2006;113(11):1424-1433",
            "authors": "Levy WC, Mozaffarian D, Linker DT, Sutradhar SC, Anker SD, Cropp AB, et al."
          },
          "ischemic": false,
          "sbp_mm_hg": 120,
          "weight_kg": 80,
          "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
          "ef_percent": 30,
          "allopurinol": false,
          "beta_blocker": true,
          "sodium_meq_l": 140,
          "ace_inhibitor": true,
          "biv_pacemaker": false,
          "hemoglobin_g_dl": 14,
          "uric_acid_mg_dl": 6,
          "formula_expression": "score = sum(ln(HR)*x); S(t)=exp(-0.0405*t)**exp(score) for t years 0-5; Levy 2006 Table 2 multivariate HRs (italic β=ln(HR); medication/device = patient-already-on column); 1/2/3-year survival % round 1 decimal; age/10 * ln(1.090); male ln(1.089) (forced); NYHA * ln(1.600); (100/EF)*ln(1.030); ischemic ln(1.354); min(SBP,160)/10 * ln(0.877); furosemide-eq mg/kg/day * ln(1.178) (furosemide 80 = torsemide 40 = bumetanide 3); allopurinol ln(1.571); if Na<138: (138-Na)*ln(1.050); (100/cholesterol)*ln(2.206); if Hb<16: (16-Hb)*ln(1.124); if Hb>16: (Hb-16)*ln(1.336); min(%lymphocytes,47)/5 * ln(0.897); max(uric_acid,3.4)*ln(1.064); ACEI ln(0.77); beta-blocker ln(0.66); ARB ln(0.85); K-sparing diuretic ln(0.74); statin ln(0.63); BiV pacemaker ln(1.00); ICD ln(0.73); BiV-ICD ln(0.79); devices mutually exclusive; not a diagnosis or treatment/device order",
          "k_sparing_diuretic": false,
          "lymphocyte_percent": 25,
          "survival_1y_percent": 96.4,
          "survival_2y_percent": 93,
          "survival_3y_percent": 89.7,
          "total_cholesterol_mg_dl": 180,
          "diuretic_furosemide_eq_mg_kg_day": 0,
          "loop_diuretic_furosemide_eq_mg_day": 0
        }
      ]
    }
  }
}

What the listing says

Levy 2006 Seattle Heart Failure Model 1-, 2-, and 3-year survival from Table 2 multivariate HRs. Score = sum of ln(HR)*x; S(t)=exp(-0.0405*t)**exp(score). Age, sex, NYHA, EF, ischemic etiology, SBP, furosemide-eq diuretic, labs, and already-on ACEI, beta-blocker, ARB, K-sparing diuretic, statin, BiV, ICD, or BiV-ICD. Caller assigns class, etiology, and therapy. magent does not measure labs or blood pressure. Not a diagnosis, prescription, or device order.

the record, 2026-10-08 06:25 UTC · method · pinnable

As declared

POST
eip155:8453
USDC
exact

Every tag is a field on the listing, not a keyword TOLL assigned.

Who is paid

0x836Be2…c19Ee2

Takes payment for 844 endpoints on 1 host.

Among Inference

counted above92%

of 9,463 that carry counters

cheaper than9%

of 9,549 with a comparable price

10,006 endpoints are in this category. 319 declare exactly this price.

the comparison, 2026-10-11 21:56 UTC · method · live

Nearest on price

prompt injection detectagent.pocket.network0.005 USDCpass
marine depthapi.geoprimitives.dev0.005 USDCpass
google ai mode ai modex402.openwebninja.com0.005 USDCpass
llmapi.losbeto.xyz0.005 USDCpass
agent record rubric assertrubric-protocol.com0.005 USDCpass

Same category, nearest declared price, one per payee wallet (method). the list, 2026-10-11 21:56 UTC · method · live

Elsewhere in the record

Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-11 21:56 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "calc shfm on api.magentlab.com", snapshot of 2026-10-11 21:56 UTC. https://tollindex.com/e/api-magentlab-com-api-calc-shfm-2d9281/at/2026-10-11T21-56Z. Accessed [access date].

BibTeX

@misc{toll-e-api-magentlab-com-api-calc-shfm-2d9281-2026-10-11T21-56Z,
  author = {TOLL},
  title = {calc shfm on api.magentlab.com},
  howpublished = {\url{https://tollindex.com/e/api-magentlab-com-api-calc-shfm-2d9281/at/2026-10-11T21-56Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-11 21:56 UTC. Accessed [access date].}
}

Reports and replies about this endpoint

None yet. Anything submitted through the form below is published here with its outcome.

Report an error about calc shfm, or reply as the named seller