passlisted in Coinbase#9 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
- 2
- 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 1 time across 9 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.
TOLL's first observation of calc mdrd was 2026-09-28.
calc mdrd is a POST endpoint at api.magentlab.com, listed in the Coinbase registry and filed by TOLL under search.
calc mdrd is priced at 0.005 USDC on Base.
Requests carry a JSON body with the field items.
calc mdrd answered the sweep of 2026-10-01 with a valid 402, as at every sweep since 2026-09-28.
A response from calc mdrd, as declared, includes path, count and items.
calc mdrd is one of 844 listed endpoints on api.magentlab.com, tied 9th by calls with 248 others among them.
calc mdrd drew 2 calls from one payer in the trailing 30 days.
The last call to calc mdrd came 3 days before the snapshot, 2026-09-28.
calc mdrd sits nearest in price to tweets search (x402.twit.sh) and search (twitter.use.x402atlas.com) among listings in search.
calc mdrd is priced above 26% of comparable listings in search.
The wallet paid by calc mdrd is the payee of 844 endpoints on one host.
The seller's tags on calc mdrd are mdrd, egfr, kidney and idms.
318 other listings in search declare exactly the same price.
the payment options, as of 2026-10-01 05:50 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 07:39 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 07:39 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 06:58 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 19:16 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 16:56 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-28 16:42 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": [
{
"age": 65,
"sex": "female",
"black": false,
"creatinine_mg_dl": 1.1,
"creatinine_umol_l": 97.262
},
{
"age": 65,
"sex": "female",
"black": false,
"creatinine_mg_dl": 1.1,
"creatinine_umol_l": 97.262
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/mdrd",
"count": 2,
"items": [
{
"sex": "female",
"black": false,
"units": "mL/min/1.73m2",
"formula": "mdrd_idms_4var",
"citation": {
"id": "levey-2006-mdrd",
"doi": "10.7326/0003-4819-145-4-200608150-00004",
"pmid": "16908729",
"title": "Using Standardized Serum Creatinine Values in the Modification of Diet in Renal Disease Study Equation for Estimating Glomerular Filtration Rate",
"source": "Ann Intern Med. 2006;145(4):247-254",
"authors": "Levey AS, Coresh J, Greene T, Stevens LA, Zhang YL, Hendriksen S, Kusek JW, Van Lente F"
},
"age_years": 65,
"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.",
"creatinine_mg_dl": 1.1,
"egfr_ml_min_1_73m2": 49.8,
"formula_expression": "egfr = 175 * scr_mg_dl ** -1.154 * age ** -0.203 * sex_factor * black_factor; sex_factor = 0.742 if female else 1.0; black_factor = 1.212 if black else 1.0; IDMS-traceable 4-variable MDRD; GFR mL/min/1.73m2; Scr mg/dL"
},
{
"sex": "female",
"black": false,
"units": "mL/min/1.73m2",
"formula": "mdrd_idms_4var",
"citation": {
"id": "levey-2006-mdrd",
"doi": "10.7326/0003-4819-145-4-200608150-00004",
"pmid": "16908729",
"title": "Using Standardized Serum Creatinine Values in the Modification of Diet in Renal Disease Study Equation for Estimating Glomerular Filtration Rate",
"source": "Ann Intern Med. 2006;145(4):247-254",
"authors": "Levey AS, Coresh J, Greene T, Stevens LA, Zhang YL, Hendriksen S, Kusek JW, Van Lente F"
},
"age_years": 65,
"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.",
"creatinine_mg_dl": 1.1,
"egfr_ml_min_1_73m2": 49.8,
"formula_expression": "egfr = 175 * scr_mg_dl ** -1.154 * age ** -0.203 * sex_factor * black_factor; sex_factor = 0.742 if female else 1.0; black_factor = 1.212 if black else 1.0; IDMS-traceable 4-variable MDRD; GFR mL/min/1.73m2; Scr mg/dL"
}
]
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-01 05:50 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 mdrd on api.magentlab.com", snapshot of 2026-10-01 05:50 UTC. https://tollindex.com/e/api-magentlab-com-api-calc-mdrd-5ae375/at/2026-10-01T05-50Z. Accessed [access date].
BibTeX
@misc{toll-e-api-magentlab-com-api-calc-mdrd-5ae375-2026-10-01T05-50Z,
author = {TOLL},
title = {calc mdrd on api.magentlab.com},
howpublished = {\url{https://tollindex.com/e/api-magentlab-com-api-calc-mdrd-5ae375/at/2026-10-01T05-50Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-01 05:50 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.