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.
calc sf ratio is one of 844 listed endpoints on api.magentlab.com, tied 83rd by calls with 761 others among them.
calc sf ratio takes a JSON body with the field items.
The output example is a json object with path, count and items.
calc sf ratio drew a single call from a single payer in the trailing 30 days.
The last call to calc sf ratio came 4 days before the snapshot, 2026-09-28.
calc sf ratio is priced at 0.005 USDC on Base.
api.magentlab.com serves calc sf ratio, a POST endpoint that TOLL places in search, listed in the Coinbase registry.
calc sf ratio answered the sweep of 2026-10-02 with a valid 402, as at every sweep since 2026-09-28.
Closest in price to calc sf ratio within search: search at api.you.com and apollo org search at apollo.x402.paywithlocus.com.
calc sf ratio is priced above 20% of comparable listings in search.
The wallet paid by calc sf ratio is the payee of 844 endpoints on one host.
The seller's tags on calc sf ratio are sf-ratio, respiratory, spo2 and calculator.
316 other listings in search declare exactly the same price.
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 2026-10-02 14:04 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-02 14:04 UTC | pass | 0 | daily-2026-10-02 |
| 2026-10-01 07:09 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 06:26 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 18:46 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 16:54 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-28 16:40 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
},
{
"fio2": 0.21,
"spo2_percent": 95
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/sf_ratio",
"count": 2,
"items": [
{
"fio2": 0.21,
"formula": "sf_ratio",
"citation": {
"id": "rice-2007",
"doi": "10.1378/chest.07-0617",
"title": "Comparison of the SpO2/FIO2 ratio and the PaO2/FIO2 ratio in patients with acute lung injury or ARDS",
"source": "Chest. 2007;132(2):410-417",
"authors": "Rice TW, Wheeler AP, Bernard GR, Hayden DL, Schoenfeld DA, Ware LB"
},
"sf_ratio": 452.4,
"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,
"formula_expression": "sf_ratio = spo2_percent / fio2"
},
{
"fio2": 0.21,
"formula": "sf_ratio",
"citation": {
"id": "rice-2007",
"doi": "10.1378/chest.07-0617",
"title": "Comparison of the SpO2/FIO2 ratio and the PaO2/FIO2 ratio in patients with acute lung injury or ARDS",
"source": "Chest. 2007;132(2):410-417",
"authors": "Rice TW, Wheeler AP, Bernard GR, Hayden DL, Schoenfeld DA, Ware LB"
},
"sf_ratio": 452.4,
"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,
"formula_expression": "sf_ratio = spo2_percent / fio2"
}
]
}
}
}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 sf ratio on api.magentlab.com", snapshot of 2026-10-02 12:31 UTC. https://tollindex.com/e/api-magentlab-com-api-calc-sf-ratio-3aa1cf/at/2026-10-02T12-31Z. Accessed [access date].
BibTeX
@misc{toll-e-api-magentlab-com-api-calc-sf-ratio-3aa1cf-2026-10-02T12-31Z,
author = {TOLL},
title = {calc sf ratio on api.magentlab.com},
howpublished = {\url{https://tollindex.com/e/api-magentlab-com-api-calc-sf-ratio-3aa1cf/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.