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 13:46 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 12 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 rox is tied 83rd by calls with 761 others.
calc rox takes a JSON body with the field items.
A response from calc rox, as declared, includes path, count and items.
The registry counted one call from one payer in the trailing 30 days.
calc rox was last called 4 days before the snapshot.
Per call, calc rox declares 0.005 USDC on Base.
api.magentlab.com serves calc rox, a POST endpoint that TOLL places in search, listed in the Coinbase registry.
calc rox answered the sweep of 2026-10-01 with a valid 402, as at every sweep since 2026-09-28.
Closest in price to calc rox within search: agentsearch web search v1 at agent.pocket.network and tweets search at x402.twit.sh.
calc rox is priced above 20% of comparable listings in search.
The payee wallet is shared by 844 listings on one host.
The seller's tags on calc rox are rox, respiratory, hfnc and calculator.
Exactly this price appears on 316 other listings in search.
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 09:34 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 09:34 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 09:03 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 21:08 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 16:49 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 13:46 UTC · method · live
The input and output block
{
"input": {
"body": {
"items": [
{
"fio2": 0.21,
"spo2_percent": 95,
"respiratory_rate": 20
},
{
"fio2": 0.21,
"spo2_percent": 95,
"respiratory_rate": 20
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/rox",
"count": 2,
"items": [
{
"rox": 22.62,
"fio2": 0.21,
"formula": "rox",
"citation": {
"id": "roca-2016",
"doi": "10.1016/j.jcrc.2016.05.022",
"title": "Predicting success of high-flow nasal cannula in pneumonia patients with hypoxemic respiratory failure: The utility of the ROX index",
"source": "J Crit Care. 2016;35:200-205",
"authors": "Roca O, Messika J, Caralt B, García-de-Acilu M, Sztrymf B, Ricard JD, Masclans JR"
},
"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.",
"spo2_percent": 95,
"respiratory_rate": 20,
"formula_expression": "rox = (spo2_percent / fio2) / respiratory_rate"
},
{
"rox": 22.62,
"fio2": 0.21,
"formula": "rox",
"citation": {
"id": "roca-2016",
"doi": "10.1016/j.jcrc.2016.05.022",
"title": "Predicting success of high-flow nasal cannula in pneumonia patients with hypoxemic respiratory failure: The utility of the ROX index",
"source": "J Crit Care. 2016;35:200-205",
"authors": "Roca O, Messika J, Caralt B, García-de-Acilu M, Sztrymf B, Ricard JD, Masclans JR"
},
"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.",
"spo2_percent": 95,
"respiratory_rate": 20,
"formula_expression": "rox = (spo2_percent / fio2) / respiratory_rate"
}
]
}
}
}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 rox on api.magentlab.com", snapshot of 2026-10-02 12:31 UTC. https://tollindex.com/e/api-magentlab-com-api-calc-rox-d7be1a/at/2026-10-02T12-31Z. Accessed [access date].
BibTeX
@misc{toll-e-api-magentlab-com-api-calc-rox-d7be1a-2026-10-02T12-31Z,
author = {TOLL},
title = {calc rox on api.magentlab.com},
howpublished = {\url{https://tollindex.com/e/api-magentlab-com-api-calc-rox-d7be1a/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.