calc 4peps derived

api.magentlab.comOther derived

POST https://api.magentlab.com/api/calc/4peps

passlisted in Coinbase#6 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 2026-10-07 05:57 UTC · method · pinnable

Validation state: pass; as of 2026-10-06 16:36 UTC · method · pinnable · sweep daily-2026-10-06
Uptime, 7 / 30 / 90 days: 100% / 100% / 100%; as of 2026-10-06 16:36 UTC · method · pinnable · 7 of 7 in 7d, 9 of 9 in 30d, 9 of 9 in 90d
Calls, trailing 30 days: 3; as of 2026-10-07 05:57 UTC · method · pinnable
Unique payers, trailing 30 days: 2; as of 2026-10-07 05:57 UTC · method · pinnable
Last called: 2026-10-05 15:33 UTC; as of 2026-10-07 05:57 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 2026-10-07 05:57 UTC · method · pinnable · on eip155:8453
Networks: 1; as of 2026-10-07 05:57 UTC · method · pinnable

Counters

25 observations, 3 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

api.magentlab.com lists 844 endpoints; calc 4peps is tied 6th by calls with 742 others.

Callers of calc 4peps supply a JSON body with the field items.

Its example response has the fields path, count and items.

calc 4peps drew 3 calls from 2 unique payers in the trailing 30 days.

The last call to calc 4peps came 2 days before the snapshot, 2026-10-05.

It is priced at 0.005 USDC on Base.

calc 4peps, a POST endpoint on api.magentlab.com, appears in the Coinbase registry; TOLL's taxonomy puts it in the "other" category.

calc 4peps answered the sweep of 2026-10-06 with a valid 402, as at every sweep since 2026-09-28.

Closest in price to calc 4peps within the "other" category: tech stack at agent402.tools and solana at agent.pocket.network.

calc 4peps is priced above 33% of comparable listings in the "other" category.

calc 4peps out-counts 62% of the 3,223 endpoints in the "other" category that carry counters.

The wallet paid by calc 4peps is the payee of 844 endpoints on one host.

Seller tags: 4peps, pe, vte and pretest.

The price of calc 4peps is declared by 725 other listings in the "other" category too.

Payment options as declared

the payment options, as of 2026-10-07 05:57 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 2026-10-06 16:36 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
2026-10-06 16:36 UTC	pass	daily-2026-10-06
2026-10-05 12:59 UTC	pass	daily-2026-10-05
2026-10-04 15:24 UTC	pass	daily-2026-10-04
2026-10-03 08:27 UTC	pass	daily-2026-10-03
2026-10-02 17:32 UTC	pass	daily-2026-10-02
2026-10-01 10:10 UTC	pass	daily-2026-10-01
2026-09-30 09:36 UTC	pass	daily-2026-09-30
2026-09-29 21:42 UTC	pass	daily-2026-09-29
2026-09-28 16:51 UTC	pass	new-after-daily-2026-09-28

Registry presence

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

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 2026-10-05 15:33 UTC · method · live

The input and output block

{
  "input": {
    "body": {
      "items": [
        {
          "age": 40,
          "sex": "female",
          "syncope": false,
          "spo2_percent": 98,
          "immobility_4w": false,
          "heart_rate_bpm": 90,
          "pe_most_likely": false,
          "personal_history_vte": false,
          "chronic_respiratory_disease": false,
          "chest_pain_and_acute_dyspnea": false,
          "calf_pain_or_unilateral_edema": false,
          "hormonal_estrogenic_treatment": false
        },
        {
          "age": 40,
          "sex": "female",
          "syncope": false,
          "spo2_percent": 98,
          "immobility_4w": false,
          "heart_rate_bpm": 90,
          "pe_most_likely": false,
          "personal_history_vte": false,
          "chronic_respiratory_disease": false,
          "chest_pain_and_acute_dyspnea": false,
          "calf_pain_or_unilateral_edema": false,
          "hormonal_estrogenic_treatment": false
        }
      ]
    },
    "type": "http",
    "method": "POST"
  },
  "output": {
    "type": "json",
    "example": {
      "path": "/api/calc/4peps",
      "count": 2,
      "items": [
        {
          "cpp": "very_low",
          "score": -2,
          "formula": "4peps",
          "citation": {
            "id": "roy-2021",
            "doi": "10.1001/jamacardio.2021.0064",
            "pmid": "33656522",
            "title": "Derivation and Validation of a 4-Level Clinical Pretest Probability Score for Suspected Pulmonary Embolism to Safely Decrease Imaging Testing",
            "source": "JAMA Cardiol. 2021;6(6):669-677",
            "authors": "Roy PM, Friou E, Germeau B, et al."
          },
          "max_score": 22,
          "components": [
            {
              "value": 40,
              "factor": "age",
              "points": -2,
              "present": true
            },
            {
              "factor": "chronic_respiratory_disease",
              "points": 0,
              "present": false
            },
            {
              "value": 90,
              "factor": "heart_rate_bpm",
              "points": 0,
              "present": false
            },
            {
              "factor": "chest_pain_and_acute_dyspnea",
              "points": 0,
              "present": false
            },
            {
              "value": "female",
              "factor": "sex",
              "points": 0,
              "present": false
            },
            {
              "factor": "hormonal_estrogenic_treatment",
              "points": 0,
              "present": false
            },
            {
              "factor": "personal_history_vte",
              "points": 0,
              "present": false
            },
            {
              "factor": "syncope",
              "points": 0,
              "present": false
            },
            {
              "factor": "immobility_4w",
              "points": 0,
              "present": false
            },
            {
              "value": 98,
              "factor": "spo2_percent",
              "points": 0,
              "present": false
            },
            {
              "factor": "calf_pain_or_unilateral_edema",
              "points": 0,
              "present": false
            },
            {
              "factor": "pe_most_likely",
              "points": 0,
              "present": false
            }
          ],
          "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.",
          "formula_expression": "4PEPS = age (<50 -2, 50-64 -1, ≥65 0) + chronic_respiratory_disease (-1) + heart_rate_bpm (<80 -1) + chest_pain_and_acute_dyspnea (1) + male (2) + hormonal_estrogenic_treatment (2) + personal_history_vte (2) + syncope (2) + immobility_4w (2) + spo2_percent (<95 3) + calf_pain_or_unilateral_edema (3) + pe_most_likely (5); Roy 2021 Table 3; cpp very_low <0, low 0-5, moderate 6-12, high ≥13; max 22 (age ≥65 plus all positive items; score may be negative)"
        },
        {
          "cpp": "very_low",
          "score": -2,
          "formula": "4peps",
          "citation": {
            "id": "roy-2021",
            "doi": "10.1001/jamacardio.2021.0064",
            "pmid": "33656522",
            "title": "Derivation and Validation of a 4-Level Clinical Pretest Probability Score for Suspected Pulmonary Embolism to Safely Decrease Imaging Testing",
            "source": "JAMA Cardiol. 2021;6(6):669-677",
            "authors": "Roy PM, Friou E, Germeau B, et al."
          },
          "max_score": 22,
          "components": [
            {
              "value": 40,
              "factor": "age",
              "points": -2,
              "present": true
            },
            {
              "factor": "chronic_respiratory_disease",
              "points": 0,
              "present": false
            },
            {
              "value": 90,
              "factor": "heart_rate_bpm",
              "points": 0,
              "present": false
            },
            {
              "factor": "chest_pain_and_acute_dyspnea",
              "points": 0,
              "present": false
            },
            {
              "value": "female",
              "factor": "sex",
              "points": 0,
              "present": false
            },
            {
              "factor": "hormonal_estrogenic_treatment",
              "points": 0,
              "present": false
            },
            {
              "factor": "personal_history_vte",
              "points": 0,
              "present": false
            },
            {
              "factor": "syncope",
              "points": 0,
              "present": false
            },
            {
              "factor": "immobility_4w",
              "points": 0,
              "present": false
            },
            {
              "value": 98,
              "factor": "spo2_percent",
              "points": 0,
              "present": false
            },
            {
              "factor": "calf_pain_or_unilateral_edema",
              "points": 0,
              "present": false
            },
            {
              "factor": "pe_most_likely",
              "points": 0,
              "present": false
            }
          ],
          "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.",
          "formula_expression": "4PEPS = age (<50 -2, 50-64 -1, ≥65 0) + chronic_respiratory_disease (-1) + heart_rate_bpm (<80 -1) + chest_pain_and_acute_dyspnea (1) + male (2) + hormonal_estrogenic_treatment (2) + personal_history_vte (2) + syncope (2) + immobility_4w (2) + spo2_percent (<95 3) + calf_pain_or_unilateral_edema (3) + pe_most_likely (5); Roy 2021 Table 3; cpp very_low <0, low 0-5, moderate 6-12, high ≥13; max 22 (age ≥65 plus all positive items; score may be negative)"
        }
      ]
    }
  }
}

What the listing says

Roy 2021 4PEPS Table 3: age <50 −2, 50–64 −1, ≥65 0; chronic respiratory disease −1; HR <80 −1; chest pain and acute dyspnea +1; male +2; estrogen treatment +2; prior VTE +2; syncope +2; 4-week immobility +2; SpO2 <95% +3; calf pain or unilateral edema +3; PE most likely +5. Max 22. Bands: very_low <0, low 0–5, moderate 6–12, high ≥13. Not imaging or D-dimer. magent does not examine the patient or decide PE most likely.

the record, 2026-10-05 15:33 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 Other

counted above62%

of 3,223 that carry counters

cheaper than33%

of 3,238 with a comparable price

3,311 endpoints are in this category. 725 declare exactly this price.

the comparison, 2026-10-07 05:57 UTC · method · live

Nearest on price

enrich profilewin.oneshotagent.com0.005 USDCpass
pingwww.api-xpay.com0.005 USDCpass
aviation airport statusapi.x402node.dev0.005 USDCpass
tech stackagent402.tools0.005 USDCpass
solanaagent.pocket.network0.005 USDCpass

Same category, nearest declared price, one per payee wallet (method). the list, 2026-10-07 05:57 UTC · method · live

Elsewhere in the record

Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-07 05:57 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 4peps on api.magentlab.com", snapshot of 2026-10-07 05:57 UTC. https://tollindex.com/e/api-magentlab-com-api-calc-4peps-fd8766/at/2026-10-07T05-57Z. Accessed [access date].

BibTeX

@misc{toll-e-api-magentlab-com-api-calc-4peps-fd8766-2026-10-07T05-57Z,
  author = {TOLL},
  title = {calc 4peps on api.magentlab.com},
  howpublished = {\url{https://tollindex.com/e/api-magentlab-com-api-calc-4peps-fd8766/at/2026-10-07T05-57Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-07 05:57 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 4peps, or reply as the named seller