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 13:58 UTC
- First observed by TOLLderived
- 2026-09-28
- Pricederived
- 0.005 USDC
- Networks
- 1
How has the volume on this endpoint moved?
Of api.magentlab.com's 844 listings, calc hear ranks tied 83rd by calls with 761 others.
Requests carry a JSON body with the field items.
A response from calc hear, as declared, includes path, count and items.
calc hear drew a single call from a single payer in the trailing 30 days.
The last call to calc hear came 4 days before the snapshot, 2026-09-28.
On Base, calc hear asks 0.005 USDC per call.
calc hear, a POST endpoint on api.magentlab.com, appears in the Coinbase registry; TOLL's taxonomy puts it in search.
calc hear answered the sweep of 2026-10-02 with a valid 402, as at every sweep since 2026-09-28.
Closest in price to calc hear within search: tweets search at x402.twit.sh and search site at x402.agentutility.ai.
calc hear is priced above 20% of comparable listings in search.
Its payee wallet receives for 844 listed endpoints on one host.
The seller's tags on calc hear are hear, acs, chest-pain 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 15:39 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-02 15:39 UTC | pass | 0 | daily-2026-10-02 |
| 2026-10-01 08:28 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 07:50 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 20:03 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 17:07 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-28 16:45 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 13:58 UTC · method · live
The input and output block
{
"input": {
"body": {
"items": [
{
"age": 40,
"ecg": 0,
"history": 0,
"risk_factors": 0
},
{
"age": 40,
"ecg": 0,
"history": 0,
"risk_factors": 0
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/hear",
"count": 2,
"items": [
{
"score": 0,
"formula": "hear",
"citation": {
"id": "smith-2020",
"doi": "10.1136/emermed-2020-209698",
"pmid": "32753395",
"title": "Identification of very low-risk acute chest pain patients without troponin testing",
"source": "Emerg Med J. 2020;37(11):690-695",
"authors": "Smith LM, Ashburn NP, Snavely AC, Mahler SA"
},
"age_years": 40,
"max_score": 8,
"components": [
{
"value": 0,
"factor": "history",
"points": 0,
"present": false
},
{
"value": 0,
"factor": "ecg",
"points": 0,
"present": false
},
{
"value": 40,
"factor": "age",
"points": 0,
"present": false
},
{
"value": 0,
"factor": "risk_factors",
"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.",
"very_low_risk": true,
"formula_expression": "HEAR = history + ECG + age_points + risk_factors; each 0-2; age <45 0, 45-64 1, >=65 2; very_low_risk iff score 0 or 1 (Smith 2020); max 8"
},
{
"score": 0,
"formula": "hear",
"citation": {
"id": "smith-2020",
"doi": "10.1136/emermed-2020-209698",
"pmid": "32753395",
"title": "Identification of very low-risk acute chest pain patients without troponin testing",
"source": "Emerg Med J. 2020;37(11):690-695",
"authors": "Smith LM, Ashburn NP, Snavely AC, Mahler SA"
},
"age_years": 40,
"max_score": 8,
"components": [
{
"value": 0,
"factor": "history",
"points": 0,
"present": false
},
{
"value": 0,
"factor": "ecg",
"points": 0,
"present": false
},
{
"value": 40,
"factor": "age",
"points": 0,
"present": false
},
{
"value": 0,
"factor": "risk_factors",
"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.",
"very_low_risk": true,
"formula_expression": "HEAR = history + ECG + age_points + risk_factors; each 0-2; age <45 0, 45-64 1, >=65 2; very_low_risk iff score 0 or 1 (Smith 2020); max 8"
}
]
}
}
}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 hear on api.magentlab.com", snapshot of 2026-10-02 12:31 UTC. https://tollindex.com/e/api-magentlab-com-api-calc-hear-8f0385/at/2026-10-02T12-31Z. Accessed [access date].
BibTeX
@misc{toll-e-api-magentlab-com-api-calc-hear-8f0385-2026-10-02T12-31Z,
author = {TOLL},
title = {calc hear on api.magentlab.com},
howpublished = {\url{https://tollindex.com/e/api-magentlab-com-api-calc-hear-8f0385/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.