magent
Deterministic published-formula arithmetic plus ICD-10-CM, RxNorm, and LOINC. Pay in USDC on Base via x402.
SearchLiveeip155:8453Exactvia cdp
Denver-bcviBcviTraumaEmergencyScreening
Calls · 30d
1→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 8 snapshots so far.
$13.75
Verified settled volume
2,750 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0050
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-09-01 13:19Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x836Be278f1739fB4308091cD1852F7971Bc19Ee2The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"error": "PAYMENT-SIGNATURE header is required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"paymentFlow": "upfront",
"resourceUrl": "https://api.magentlab.com/api/calc/denver_bcvi",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
},
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
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"withdrawDelay": 86400,
"receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
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"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "batch-settlement",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
}
],
"resource": {
"url": "https://api.magentlab.com/api/calc/denver_bcvi",
"tags": [
"denver-bcvi",
"bcvi",
"trauma",
"emergency",
"screening"
],
"mimeType": "application/json",
"description": "Modified Denver BCVI (Cothren 2005). Positive if any sign (arterial hemorrhage; cervical bruit age <50; expanding cervical hematoma; focal deficit; neuro exam incongruous with head CT; stroke on secondary CT) or any risk factor (LeFort II/III; C-spine subluxation, transverse foramen, or C1-C3; basilar skull with carotid canal; DAI with GCS <6; near hanging with anoxia). Imaging indicated when positive. Not Biffl grade, expanded Denver, NEXUS, or Canadian C-spine. magent does not read CTA.",
"serviceName": "magent"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"dai_gcs_lt_6": false,
"lefort_ii_or_iii": false,
"arterial_hemorrhage": false,
"focal_neuro_deficit": false,
"stroke_on_secondary_ct": false,
"cervical_bruit_age_lt_50": false,
"expanding_cervical_hematoma": false,
"neuro_exam_incongruous_head_ct": false,
"near_hanging_anoxic_brain_injury": false,
"basilar_skull_fracture_carotid_canal": false,
"cspine_subluxation_transverse_foramen_or_c1_c3": false
}
},
"output": {
"type": "json",
"example": {
"formula": "denver_bcvi",
"citation": {
"id": "cothren-2005",
"doi": "10.1590/S1807-59322005000600011",
"pmid": "16358138",
"title": "Blunt cerebrovascular injuries",
"source": "Clinics (Sao Paulo). 2005;60(6):489-496",
"authors": "Cothren CC, Moore EE"
},
"criteria": [
{
"met": false,
"factor": "arterial_hemorrhage"
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{
"met": false,
"factor": "cervical_bruit_age_lt_50"
},
{
"met": false,
"factor": "expanding_cervical_hematoma"
},
{
"met": false,
"factor": "focal_neuro_deficit"
},
{
"met": false,
"factor": "neuro_exam_incongruous_head_ct"
},
{
"met": false,
"factor": "stroke_on_secondary_ct"
},
{
"met": false,
"factor": "lefort_ii_or_iii"
},
{
"met": false,
"factor": "cspine_subluxation_transverse_foramen_or_c1_c3"
},
{
"met": false,
"factor": "basilar_skull_fracture_carotid_canal"
},
{
"met": false,
"factor": "dai_gcs_lt_6"
},
{
"met": false,
"factor": "near_hanging_anoxic_brain_injury"
}
],
"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.",
"sign_positive": false,
"screen_positive": false,
"imaging_indicated": false,
"formula_expression": "screen positive iff any published sign (arterial hemorrhage, cervical bruit age <50, expanding cervical hematoma, focal neurologic deficit, neurologic exam incongruous with head CT, or stroke on secondary CT) or any published high-energy risk factor (LeFort II or III, C-spine subluxation or transverse-foramen or C1-C3 fracture, basilar skull fracture with carotid canal, DAI with GCS <6, or near hanging with anoxic brain injury); imaging indicated when screen positive",
"risk_factor_positive": false
}
},
"iconUrl": "https://api.magentlab.com/favicon.ico"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"headers": {
"type": "object",
"additionalProperties": {
"type": "string"
}
},
"queryParams": {
"type": "object",
"required": [
"arterial_hemorrhage",
"cervical_bruit_age_lt_50",
"expanding_cervical_hematoma",
"focal_neuro_deficit",
"neuro_exam_incongruous_head_ct",
"stroke_on_secondary_ct",
"lefort_ii_or_iii",
"cspine_subluxation_transverse_foramen_or_c1_c3",
"basilar_skull_fracture_carotid_canal",
"dai_gcs_lt_6",
"near_hanging_anoxic_brain_injury"
],
"properties": {
"dai_gcs_lt_6": {
"type": "boolean",
"description": "High-energy transfer with diffuse axonal injury and GCS <6 as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. Caller assigns the published compound; magent does not take a GCS integer."
},
"lefort_ii_or_iii": {
"type": "boolean",
"description": "High-energy transfer with LeFort II or III fracture as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. A true flag is a published indication for imaging. magent does not interpret facial imaging."
},
"arterial_hemorrhage": {
"type": "boolean",
"description": "Arterial hemorrhage as assigned by the caller (Cothren 2005 Table 1 sign). true or false. A true flag is a published indication for imaging. magent does not examine the patient."
},
"focal_neuro_deficit": {
"type": "boolean",
"description": "Focal neurologic deficit as assigned by the caller (Cothren 2005 Table 1 sign). true or false. A true flag is a published indication for imaging. magent does not examine the patient."
},
"stroke_on_secondary_ct": {
"type": "boolean",
"description": "Stroke on secondary CT scan as assigned by the caller (Cothren 2005 Table 1 sign). true or false. magent does not read a CT scan."
},
"cervical_bruit_age_lt_50": {
"type": "boolean",
"description": "Cervical bruit in a patient younger than 50 years as assigned by the caller (Cothren 2005 Table 1 sign). true or false. Caller assigns the published <50 indication; magent does not take numeric age."
},
"expanding_cervical_hematoma": {
"type": "boolean",
"description": "Expanding cervical hematoma as assigned by the caller (Cothren 2005 Table 1 sign). true or false. A true flag is a published indication for imaging. magent does not examine the neck."
},
"neuro_exam_incongruous_head_ct": {
"type": "boolean",
"description": "Neurologic exam incongruous with head CT scan findings as assigned by the caller (Cothren 2005 Table 1 sign). true or false. magent does not read a head CT."
},
"near_hanging_anoxic_brain_injury": {
"type": "boolean",
"description": "High-energy transfer with near hanging and anoxic brain injury as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. magent does not classify mechanism."
},
"basilar_skull_fracture_carotid_canal": {
"type": "boolean",
"description": "High-energy transfer with basilar skull fracture with carotid canal involvement as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. magent does not interpret skull imaging."
},
"cspine_subluxation_transverse_foramen_or_c1_c3": {
"type": "boolean",
"description": "High-energy transfer with the published C-spine patterns (subluxation, fracture extending into the transverse foramen, or fracture of C1-C3) as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. Not any cervical-spine fracture. magent does not interpret C-spine imaging."
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
},
"x402Version": 2
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.005USDC≈ $0.005 USD
on Base · exact scheme
Pay 0.005 USDC on Base to 0x836B…19Ee2. The signed payment is good for 10 minutes.
- Paid to
- 0x836B…19Ee2
- USD Coin contract
- 0x8335…02913
- Payment window
- 10 minutes
- As published
- 5000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"paymentFlow": "upfront",
"resourceUrl": "https://api.magentlab.com/api/calc/denver_bcvi",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"items": [
{
"dai_gcs_lt_6": false,
"lefort_ii_or_iii": false,
"arterial_hemorrhage": false,
"focal_neuro_deficit": false,
"stroke_on_secondary_ct": false,
"cervical_bruit_age_lt_50": false,
"expanding_cervical_hematoma": false,
"neuro_exam_incongruous_head_ct": false,
"near_hanging_anoxic_brain_injury": false,
"basilar_skull_fracture_carotid_canal": false,
"cspine_subluxation_transverse_foramen_or_c1_c3": false
},
{
"dai_gcs_lt_6": false,
"lefort_ii_or_iii": false,
"arterial_hemorrhage": false,
"focal_neuro_deficit": false,
"stroke_on_secondary_ct": false,
"cervical_bruit_age_lt_50": false,
"expanding_cervical_hematoma": false,
"neuro_exam_incongruous_head_ct": false,
"near_hanging_anoxic_brain_injury": false,
"basilar_skull_fracture_carotid_canal": false,
"cspine_subluxation_transverse_foramen_or_c1_c3": false
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/denver_bcvi",
"count": 2,
"items": [
{
"formula": "denver_bcvi",
"citation": {
"id": "cothren-2005",
"doi": "10.1590/S1807-59322005000600011",
"pmid": "16358138",
"title": "Blunt cerebrovascular injuries",
"source": "Clinics (Sao Paulo). 2005;60(6):489-496",
"authors": "Cothren CC, Moore EE"
},
"criteria": [
{
"met": false,
"factor": "arterial_hemorrhage"
},
{
"met": false,
"factor": "cervical_bruit_age_lt_50"
},
{
"met": false,
"factor": "expanding_cervical_hematoma"
},
{
"met": false,
"factor": "focal_neuro_deficit"
},
{
"met": false,
"factor": "neuro_exam_incongruous_head_ct"
},
{
"met": false,
"factor": "stroke_on_secondary_ct"
},
{
"met": false,
"factor": "lefort_ii_or_iii"
},
{
"met": false,
"factor": "cspine_subluxation_transverse_foramen_or_c1_c3"
},
{
"met": false,
"factor": "basilar_skull_fracture_carotid_canal"
},
{
"met": false,
"factor": "dai_gcs_lt_6"
},
{
"met": false,
"factor": "near_hanging_anoxic_brain_injury"
}
],
"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.",
"sign_positive": false,
"screen_positive": false,
"imaging_indicated": false,
"formula_expression": "screen positive iff any published sign (arterial hemorrhage, cervical bruit age <50, expanding cervical hematoma, focal neurologic deficit, neurologic exam incongruous with head CT, or stroke on secondary CT) or any published high-energy risk factor (LeFort II or III, C-spine subluxation or transverse-foramen or C1-C3 fracture, basilar skull fracture with carotid canal, DAI with GCS <6, or near hanging with anoxic brain injury); imaging indicated when screen positive",
"risk_factor_positive": false
},
{
"formula": "denver_bcvi",
"citation": {
"id": "cothren-2005",
"doi": "10.1590/S1807-59322005000600011",
"pmid": "16358138",
"title": "Blunt cerebrovascular injuries",
"source": "Clinics (Sao Paulo). 2005;60(6):489-496",
"authors": "Cothren CC, Moore EE"
},
"criteria": [
{
"met": false,
"factor": "arterial_hemorrhage"
},
{
"met": false,
"factor": "cervical_bruit_age_lt_50"
},
{
"met": false,
"factor": "expanding_cervical_hematoma"
},
{
"met": false,
"factor": "focal_neuro_deficit"
},
{
"met": false,
"factor": "neuro_exam_incongruous_head_ct"
},
{
"met": false,
"factor": "stroke_on_secondary_ct"
},
{
"met": false,
"factor": "lefort_ii_or_iii"
},
{
"met": false,
"factor": "cspine_subluxation_transverse_foramen_or_c1_c3"
},
{
"met": false,
"factor": "basilar_skull_fracture_carotid_canal"
},
{
"met": false,
"factor": "dai_gcs_lt_6"
},
{
"met": false,
"factor": "near_hanging_anoxic_brain_injury"
}
],
"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.",
"sign_positive": false,
"screen_positive": false,
"imaging_indicated": false,
"formula_expression": "screen positive iff any published sign (arterial hemorrhage, cervical bruit age <50, expanding cervical hematoma, focal neurologic deficit, neurologic exam incongruous with head CT, or stroke on secondary CT) or any published high-energy risk factor (LeFort II or III, C-spine subluxation or transverse-foramen or C1-C3 fracture, basilar skull fracture with carotid canal, DAI with GCS <6, or near hanging with anoxic brain injury); imaging indicated when screen positive",
"risk_factor_positive": false
}
]
}
},
"iconUrl": "https://api.magentlab.com/favicon.ico"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"body": {
"type": "object",
"required": [
"items"
],
"properties": {
"items": {
"type": "array",
"items": {
"type": "object",
"required": [
"arterial_hemorrhage",
"cervical_bruit_age_lt_50",
"expanding_cervical_hematoma",
"focal_neuro_deficit",
"neuro_exam_incongruous_head_ct",
"stroke_on_secondary_ct",
"lefort_ii_or_iii",
"cspine_subluxation_transverse_foramen_or_c1_c3",
"basilar_skull_fracture_carotid_canal",
"dai_gcs_lt_6",
"near_hanging_anoxic_brain_injury"
],
"properties": {
"dai_gcs_lt_6": {
"type": "boolean",
"description": "High-energy transfer with diffuse axonal injury and GCS <6 as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. Caller assigns the published compound; magent does not take a GCS integer."
},
"lefort_ii_or_iii": {
"type": "boolean",
"description": "High-energy transfer with LeFort II or III fracture as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. A true flag is a published indication for imaging. magent does not interpret facial imaging."
},
"arterial_hemorrhage": {
"type": "boolean",
"description": "Arterial hemorrhage as assigned by the caller (Cothren 2005 Table 1 sign). true or false. A true flag is a published indication for imaging. magent does not examine the patient."
},
"focal_neuro_deficit": {
"type": "boolean",
"description": "Focal neurologic deficit as assigned by the caller (Cothren 2005 Table 1 sign). true or false. A true flag is a published indication for imaging. magent does not examine the patient."
},
"stroke_on_secondary_ct": {
"type": "boolean",
"description": "Stroke on secondary CT scan as assigned by the caller (Cothren 2005 Table 1 sign). true or false. magent does not read a CT scan."
},
"cervical_bruit_age_lt_50": {
"type": "boolean",
"description": "Cervical bruit in a patient younger than 50 years as assigned by the caller (Cothren 2005 Table 1 sign). true or false. Caller assigns the published <50 indication; magent does not take numeric age."
},
"expanding_cervical_hematoma": {
"type": "boolean",
"description": "Expanding cervical hematoma as assigned by the caller (Cothren 2005 Table 1 sign). true or false. A true flag is a published indication for imaging. magent does not examine the neck."
},
"neuro_exam_incongruous_head_ct": {
"type": "boolean",
"description": "Neurologic exam incongruous with head CT scan findings as assigned by the caller (Cothren 2005 Table 1 sign). true or false. magent does not read a head CT."
},
"near_hanging_anoxic_brain_injury": {
"type": "boolean",
"description": "High-energy transfer with near hanging and anoxic brain injury as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. magent does not classify mechanism."
},
"basilar_skull_fracture_carotid_canal": {
"type": "boolean",
"description": "High-energy transfer with basilar skull fracture with carotid canal involvement as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. magent does not interpret skull imaging."
},
"cspine_subluxation_transverse_foramen_or_c1_c3": {
"type": "boolean",
"description": "High-energy transfer with the published C-spine patterns (subluxation, fracture extending into the transverse foramen, or fracture of C1-C3) as assigned by the caller (Cothren 2005 Table 1 risk factor). true or false. Not any cervical-spine fracture. magent does not interpret C-spine imaging."
}
}
},
"maxItems": 25,
"minItems": 1
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"const": "POST"
},
"headers": {
"type": "object",
"additionalProperties": {
"type": "string"
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-09-01 13:19Z
- Last indexed by Roundhouse
- 2026-09-07 06:20Z
- Last enriched (probe, favicon, geo)
- 2026-09-24 12:15Z
- x402 version
- 2
- Max timeout
- 600s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 8 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service magent and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=magent' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://api.magentlab.com/api/calc/denver_bcvi, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.