magent
Deterministic published-formula arithmetic plus ICD-10-CM, RxNorm, and LOINC. Pay in USDC on Base via x402.
Otherofflineeip155:8453Exactvia cdp
PedisDiabetic-footIwgdfUlcerCalculator
Calls · 30d
2→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 13 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.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-31 13:17Z
—
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/pedis",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
},
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"withdrawDelay": 86400,
"receiverAuthorizer": "0x3721824a31197dcDD2984cF43b92B6cc8A87c0Fb",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "batch-settlement",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
}
],
"resource": {
"url": "https://api.magentlab.com/api/calc/pedis",
"tags": [
"pedis",
"diabetic-foot",
"iwgdf",
"ulcer",
"calculator"
],
"mimeType": "application/json",
"description": "Schaper 2004 IWGDF PEDIS: five independent grades, not a summed total. Perfusion 1-3 (no PAD; PAD without CLI; CLI). Extent 1-3 (<1; 1-3; >3 cm2). Depth 1-3 (superficial; fascia/muscle/tendon; bone/joint). Infection 1-4 (none; skin; deeper without SIRS; with SIRS). Sensation 1-2 (protective sensation present or lost). Label like 1-1-1-1-1. Caller assigns grades. Not a medical device or IWGDF treatment; magent does not measure the ulcer, diagnose PAD, or probe bone.",
"serviceName": "magent"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"depth": 1,
"extent": 1,
"infection": 1,
"perfusion": 1,
"sensation": 1
}
},
"output": {
"type": "json",
"example": {
"depth": 1,
"pedis": "1-1-1-1-1",
"extent": 1,
"formula": "pedis",
"citation": {
"id": "schaper-2004",
"doi": "10.1002/dmrr.464",
"pmid": "15150852",
"title": "Diabetic foot ulcer classification system for research purposes: a progress report on criteria for including patients in research studies",
"source": "Diabetes Metab Res Rev. 2004;20 Suppl 1:S90-S95",
"authors": "Schaper NC"
},
"criteria": [
{
"met": true,
"value": 1,
"factor": "perfusion"
},
{
"met": true,
"value": 1,
"factor": "extent"
},
{
"met": true,
"value": 1,
"factor": "depth"
},
{
"met": true,
"value": 1,
"factor": "infection"
},
{
"met": true,
"value": 1,
"factor": "sensation"
}
],
"infection": 1,
"perfusion": 1,
"sensation": 1,
"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.",
"formula_expression": "PEDIS is five independent Schaper 2004 IWGDF grades, not a summed total: perfusion 1-3 (1 no PAD symptoms/signs; 2 PAD without critical limb ischemia; 3 critical limb ischemia); extent 1-3 (ulcer area 1 <1 cm2; 2 1-3 cm2; 3 >3 cm2); depth 1-3 (1 superficial, not through dermis to subcutaneous; 2 to subcutaneous/fascia/muscle/tendon, not bone/joint; 3 bone and/or joint); infection 1-4 (1 none; 2 skin/subcutaneous only; 3 deeper than skin without SIRS; 4 infection with SIRS); sensation 1-2 (1 no loss of protective sensation; 2 loss of protective sensation). Label is perfusion-extent-depth-infection-sensation"
}
},
"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": [
"perfusion",
"extent",
"depth",
"infection",
"sensation"
],
"properties": {
"depth": {
"type": "integer",
"description": "Depth grade 1-3 as assigned by the caller (Schaper 2004): 1 superficial (not through dermis to subcutaneous); 2 to subcutaneous/fascia/muscle/tendon (not bone/joint); 3 bone and/or joint. magent does not probe bone."
},
"extent": {
"type": "integer",
"description": "Extent (ulcer area) grade 1-3 as assigned by the caller (Schaper 2004): 1 <1 cm2; 2 1-3 cm2; 3 >3 cm2. magent does not measure the ulcer."
},
"infection": {
"type": "integer",
"description": "Infection grade 1-4 as assigned by the caller (Schaper 2004): 1 none; 2 skin/subcutaneous only; 3 deeper than skin (abscess, osteomyelitis, septic arthritis, fasciitis) without SIRS; 4 infection with SIRS. magent does not diagnose infection."
},
"perfusion": {
"type": "integer",
"description": "Perfusion grade 1-3 as assigned by the caller (Schaper 2004): 1 no PAD symptoms/signs; 2 PAD without critical limb ischemia; 3 critical limb ischemia. magent does not diagnose PAD or measure pulses or pressures."
},
"sensation": {
"type": "integer",
"description": "Sensation grade 1-2 as assigned by the caller (Schaper 2004): 1 no loss of protective sensation; 2 loss of protective sensation. magent does not test sensation."
}
}
}
},
"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/pedis",
"assetTransferMethod": "eip3009"
},
"payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
"amount": "5000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 600
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"items": [
{
"depth": 1,
"extent": 1,
"infection": 1,
"perfusion": 1,
"sensation": 1
},
{
"depth": 1,
"extent": 1,
"infection": 1,
"perfusion": 1,
"sensation": 1
}
]
},
"type": "http",
"method": "POST"
},
"output": {
"type": "json",
"example": {
"path": "/api/calc/pedis",
"count": 2,
"items": [
{
"depth": 1,
"pedis": "1-1-1-1-1",
"extent": 1,
"formula": "pedis",
"citation": {
"id": "schaper-2004",
"doi": "10.1002/dmrr.464",
"pmid": "15150852",
"title": "Diabetic foot ulcer classification system for research purposes: a progress report on criteria for including patients in research studies",
"source": "Diabetes Metab Res Rev. 2004;20 Suppl 1:S90-S95",
"authors": "Schaper NC"
},
"criteria": [
{
"met": true,
"value": 1,
"factor": "perfusion"
},
{
"met": true,
"value": 1,
"factor": "extent"
},
{
"met": true,
"value": 1,
"factor": "depth"
},
{
"met": true,
"value": 1,
"factor": "infection"
},
{
"met": true,
"value": 1,
"factor": "sensation"
}
],
"infection": 1,
"perfusion": 1,
"sensation": 1,
"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.",
"formula_expression": "PEDIS is five independent Schaper 2004 IWGDF grades, not a summed total: perfusion 1-3 (1 no PAD symptoms/signs; 2 PAD without critical limb ischemia; 3 critical limb ischemia); extent 1-3 (ulcer area 1 <1 cm2; 2 1-3 cm2; 3 >3 cm2); depth 1-3 (1 superficial, not through dermis to subcutaneous; 2 to subcutaneous/fascia/muscle/tendon, not bone/joint; 3 bone and/or joint); infection 1-4 (1 none; 2 skin/subcutaneous only; 3 deeper than skin without SIRS; 4 infection with SIRS); sensation 1-2 (1 no loss of protective sensation; 2 loss of protective sensation). Label is perfusion-extent-depth-infection-sensation"
},
{
"depth": 1,
"pedis": "1-1-1-1-1",
"extent": 1,
"formula": "pedis",
"citation": {
"id": "schaper-2004",
"doi": "10.1002/dmrr.464",
"pmid": "15150852",
"title": "Diabetic foot ulcer classification system for research purposes: a progress report on criteria for including patients in research studies",
"source": "Diabetes Metab Res Rev. 2004;20 Suppl 1:S90-S95",
"authors": "Schaper NC"
},
"criteria": [
{
"met": true,
"value": 1,
"factor": "perfusion"
},
{
"met": true,
"value": 1,
"factor": "extent"
},
{
"met": true,
"value": 1,
"factor": "depth"
},
{
"met": true,
"value": 1,
"factor": "infection"
},
{
"met": true,
"value": 1,
"factor": "sensation"
}
],
"infection": 1,
"perfusion": 1,
"sensation": 1,
"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.",
"formula_expression": "PEDIS is five independent Schaper 2004 IWGDF grades, not a summed total: perfusion 1-3 (1 no PAD symptoms/signs; 2 PAD without critical limb ischemia; 3 critical limb ischemia); extent 1-3 (ulcer area 1 <1 cm2; 2 1-3 cm2; 3 >3 cm2); depth 1-3 (1 superficial, not through dermis to subcutaneous; 2 to subcutaneous/fascia/muscle/tendon, not bone/joint; 3 bone and/or joint); infection 1-4 (1 none; 2 skin/subcutaneous only; 3 deeper than skin without SIRS; 4 infection with SIRS); sensation 1-2 (1 no loss of protective sensation; 2 loss of protective sensation). Label is perfusion-extent-depth-infection-sensation"
}
]
}
},
"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": [
"perfusion",
"extent",
"depth",
"infection",
"sensation"
],
"properties": {
"depth": {
"type": "integer",
"description": "Depth grade 1-3 as assigned by the caller (Schaper 2004): 1 superficial (not through dermis to subcutaneous); 2 to subcutaneous/fascia/muscle/tendon (not bone/joint); 3 bone and/or joint. magent does not probe bone."
},
"extent": {
"type": "integer",
"description": "Extent (ulcer area) grade 1-3 as assigned by the caller (Schaper 2004): 1 <1 cm2; 2 1-3 cm2; 3 >3 cm2. magent does not measure the ulcer."
},
"infection": {
"type": "integer",
"description": "Infection grade 1-4 as assigned by the caller (Schaper 2004): 1 none; 2 skin/subcutaneous only; 3 deeper than skin (abscess, osteomyelitis, septic arthritis, fasciitis) without SIRS; 4 infection with SIRS. magent does not diagnose infection."
},
"perfusion": {
"type": "integer",
"description": "Perfusion grade 1-3 as assigned by the caller (Schaper 2004): 1 no PAD symptoms/signs; 2 PAD without critical limb ischemia; 3 critical limb ischemia. magent does not diagnose PAD or measure pulses or pressures."
},
"sensation": {
"type": "integer",
"description": "Sensation grade 1-2 as assigned by the caller (Schaper 2004): 1 no loss of protective sensation; 2 loss of protective sensation. magent does not test sensation."
}
}
},
"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
- 2026-08-31 13:17Z
- Last indexed by Roundhouse
- 2026-09-07 06:20Z
- Last enriched (probe, favicon, geo)
- 2026-09-13 07:45Z
- x402 version
- 2
- Max timeout
- 600s
- Liveness probe
- HTTP 0
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. 13 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/pedis, 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.