passlisted in Coinbase#83 by calls of 844 on this host
0.005 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-28 13:52 UTC
- First observed by TOLLderived
- 2026-09-28
- Pricederived
- 0.005 USDC
- Networks
- 1
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 2 times across 13 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
Among the 844 endpoints on api.magentlab.com, calc kfre is tied 83rd by calls with 761 others.
Callers of calc kfre supply a JSON body with the field items.
Its example response has the fields path, count and items.
calc kfre drew a single call from a single payer in the trailing 30 days.
The last call to calc kfre came 4 days before the snapshot, 2026-09-28.
It is priced at 0.005 USDC on Base.
api.magentlab.com serves calc kfre, a POST endpoint that TOLL places in compute, listed in the Coinbase registry.
calc kfre answered the sweep of 2026-10-01 with a valid 402, as at every sweep since 2026-09-28.
Closest in price to calc kfre within compute: md at md.fastdb.in and md at url2md-testnet.url2md.workers.dev.
Among comparable prices in compute, calc kfre sits above 37% of them.
The wallet paid by calc kfre is the payee of 844 endpoints on one host.
The seller's own tags are kfre, kidney-failure, ckd and calculator.
The price of calc kfre is declared by 201 other listings in compute too.
the payment options, as of 2026-10-02 12:31 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0x836Be2…c19Ee2 |
the checks, as of 2026-10-01 09:57 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-01 09:57 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 09:23 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 21:28 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 16:50 UTC | pass | 0 | new-after-daily-2026-09-28 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-28 13:52 UTC · method · live
The input and output block
{
"input": {
"body": {
"items": [
{
"male": true,
"acr_mg_g": 300,
"age_years": 55,
"egfr_ml_min": 30
},
{
"male": true,
"acr_mg_g": 300,
"age_years": 55,
"egfr_ml_min": 30
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/kfre",
"count": 2,
"items": [
{
"male": true,
"formula": "kfre",
"acr_mg_g": 300,
"citation": {
"id": "tangri-2011",
"doi": "10.1001/jama.2011.451",
"pmid": "21642682",
"title": "A predictive model for progression of chronic kidney disease to kidney failure",
"source": "JAMA. 2011;305(15):1553-1559",
"authors": "Tangri N, Stevens LA, Griffith J, Tighiouart H, Djurdjev O, Naimark D, Levin A, Levey AS"
},
"age_years": 55,
"s0_2_year": 0.975,
"s0_5_year": 0.924,
"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.",
"egfr_ml_min": 30,
"linear_predictor": 1.3815,
"formula_expression": "LP = -0.2201*(age_years/10 - 7.036) + 0.2467*(male - 0.5642) - 0.5567*(egfr_ml_min/5 - 7.222) + 0.4510*(ln(acr_mg_g) - 5.137); 2-year risk = 1 - 0.9750^exp(LP); 5-year risk = 1 - 0.9240^exp(LP); Tangri 2011 4-variable only; male is 1 if true else 0; ACR mg/g natural log; caller supplies eGFR; not 8-variable; not Tangri 2016 country S0; no race",
"two_year_risk_percent": 9.6,
"five_year_risk_percent": 27
},
{
"male": true,
"formula": "kfre",
"acr_mg_g": 300,
"citation": {
"id": "tangri-2011",
"doi": "10.1001/jama.2011.451",
"pmid": "21642682",
"title": "A predictive model for progression of chronic kidney disease to kidney failure",
"source": "JAMA. 2011;305(15):1553-1559",
"authors": "Tangri N, Stevens LA, Griffith J, Tighiouart H, Djurdjev O, Naimark D, Levin A, Levey AS"
},
"age_years": 55,
"s0_2_year": 0.975,
"s0_5_year": 0.924,
"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.",
"egfr_ml_min": 30,
"linear_predictor": 1.3815,
"formula_expression": "LP = -0.2201*(age_years/10 - 7.036) + 0.2467*(male - 0.5642) - 0.5567*(egfr_ml_min/5 - 7.222) + 0.4510*(ln(acr_mg_g) - 5.137); 2-year risk = 1 - 0.9750^exp(LP); 5-year risk = 1 - 0.9240^exp(LP); Tangri 2011 4-variable only; male is 1 if true else 0; ACR mg/g natural log; caller supplies eGFR; not 8-variable; not Tangri 2016 country S0; no race",
"two_year_risk_percent": 9.6,
"five_year_risk_percent": 27
}
]
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-02 12:31 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 kfre on api.magentlab.com", snapshot of 2026-10-02 12:31 UTC. https://tollindex.com/e/api-magentlab-com-api-calc-kfre-efff5b/at/2026-10-02T12-31Z. Accessed [access date].
BibTeX
@misc{toll-e-api-magentlab-com-api-calc-kfre-efff5b-2026-10-02T12-31Z,
author = {TOLL},
title = {calc kfre on api.magentlab.com},
howpublished = {\url{https://tollindex.com/e/api-magentlab-com-api-calc-kfre-efff5b/at/2026-10-02T12-31Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-02 12:31 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.