magent

Deterministic published-formula arithmetic plus ICD-10-CM, RxNorm, and LOINC. Pay in USDC on Base via x402.

Searchofflineeip155:8453Exactvia cdp
Tokyo-cholecystitisCholecystitisTg18GiCalculator
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 13:10Z
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x836Be278f1739fB4308091cD1852F7971Bc19Ee2

The 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": [
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      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2",
        "paymentFlow": "upfront",
        "resourceUrl": "https://api.magentlab.com/api/calc/tokyo_cholecystitis",
        "assetTransferMethod": "eip3009"
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      "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
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      "network": "eip155:8453",
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  ],
  "resource": {
    "url": "https://api.magentlab.com/api/calc/tokyo_cholecystitis",
    "tags": [
      "tokyo-cholecystitis",
      "cholecystitis",
      "tg18",
      "gi",
      "calculator"
    ],
    "mimeType": "application/json",
    "description": "Yokoe 2018 TG18 (=TG13) acute cholecystitis. Definite if local signs (Murphy or RUQ mass/pain/tenderness), systemic signs (fever, elevated CRP or WBC), and imaging; suspected if local and systemic without imaging; else none. Suspected/definite: Grade III if any organ dysfunction, else Grade II if any Grade II flag, else Grade I. Severity none when diagnosis is none. Not cholangitis or Alvarado/RIPASA. magent does not examine, assay, or read imaging. Not a medical device.",
    "serviceName": "magent"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "fever": false,
            "murphy": false,
            "pfr_lt_300": false,
            "elevated_crp": false,
            "elevated_wbc": false,
            "wbc_gt_18000": false,
            "pt_inr_gt_1_5": false,
            "duration_gt_72h": false,
            "imaging_findings": false,
            "platelets_lt_100k": false,
            "decreased_consciousness": false,
            "hypotension_vasopressors": false,
            "palpable_tender_ruq_mass": false,
            "ruq_mass_pain_tenderness": false,
            "marked_local_inflammation": false,
            "oliguria_or_creatinine_gt_2": false
          }
        },
        "output": {
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          "example": {
            "formula": "tokyo_cholecystitis",
            "citation": {
              "id": "yokoe-2018",
              "doi": "10.1002/jhbp.515",
              "pmid": "29032636",
              "title": "Tokyo Guidelines 2018: diagnostic criteria and severity grading of acute cholecystitis (with videos).",
              "source": "J Hepatobiliary Pancreat Sci. 2018;25(1):41-54",
              "authors": "Yokoe M, Hata J, Takada T, et al."
            },
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                "factor": "local_signs"
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                "met": false,
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              },
              {
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              {
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              {
                "met": false,
                "factor": "ruq_mass_pain_tenderness"
              },
              {
                "met": false,
                "factor": "fever"
              },
              {
                "met": false,
                "factor": "elevated_crp"
              },
              {
                "met": false,
                "factor": "elevated_wbc"
              },
              {
                "met": false,
                "factor": "hypotension_vasopressors"
              },
              {
                "met": false,
                "factor": "decreased_consciousness"
              },
              {
                "met": false,
                "factor": "pfr_lt_300"
              },
              {
                "met": false,
                "factor": "oliguria_or_creatinine_gt_2"
              },
              {
                "met": false,
                "factor": "pt_inr_gt_1_5"
              },
              {
                "met": false,
                "factor": "platelets_lt_100k"
              },
              {
                "met": false,
                "factor": "wbc_gt_18000"
              },
              {
                "met": false,
                "factor": "palpable_tender_ruq_mass"
              },
              {
                "met": false,
                "factor": "duration_gt_72h"
              },
              {
                "met": false,
                "factor": "marked_local_inflammation"
              }
            ],
            "severity": "none",
            "diagnosis": "none",
            "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": "definite iff local_signs and systemic_signs and imaging_findings; suspected iff local_signs and systemic_signs without imaging_findings; else none. local_signs iff murphy or ruq_mass_pain_tenderness; systemic_signs iff fever or elevated_crp or elevated_wbc. When diagnosis is suspected or definite: grade_iii if any organ-dysfunction flag (hypotension_vasopressors, decreased_consciousness, pfr_lt_300, oliguria_or_creatinine_gt_2, pt_inr_gt_1_5, platelets_lt_100k), else grade_ii if any Grade II flag (wbc_gt_18000, palpable_tender_ruq_mass, duration_gt_72h, marked_local_inflammation), else grade_i. When diagnosis is none, severity is none (Yokoe 2018 TG18 = TG13 unmodified)"
          }
        },
        "iconUrl": "https://api.magentlab.com/favicon.ico"
      },
      "schema": {
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        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
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        "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": [
                  "murphy",
                  "ruq_mass_pain_tenderness",
                  "fever",
                  "elevated_crp",
                  "elevated_wbc",
                  "imaging_findings",
                  "hypotension_vasopressors",
                  "decreased_consciousness",
                  "pfr_lt_300",
                  "oliguria_or_creatinine_gt_2",
                  "pt_inr_gt_1_5",
                  "platelets_lt_100k",
                  "wbc_gt_18000",
                  "palpable_tender_ruq_mass",
                  "duration_gt_72h",
                  "marked_local_inflammation"
                ],
                "properties": {
                  "fever": {
                    "type": "boolean",
                    "description": "Fever as assigned by the caller (Yokoe 2018 TG18 systemic sign of inflammation B). true or false. magent does not measure temperature."
                  },
                  "murphy": {
                    "type": "boolean",
                    "description": "Murphy's sign as assigned by the caller (Yokoe 2018 TG18 local sign of inflammation A). true or false. magent does not examine the patient."
                  },
                  "pfr_lt_300": {
                    "type": "boolean",
                    "description": "PaO2/FiO2 <300 as assigned by the caller (Yokoe 2018 TG18 Grade III respiratory dysfunction). true or false. magent does not interpret blood gas or ventilator settings."
                  },
                  "elevated_crp": {
                    "type": "boolean",
                    "description": "Elevated C-reactive protein as assigned by the caller (Yokoe 2018 TG18 systemic sign of inflammation B). true or false. magent does not assay CRP."
                  },
                  "elevated_wbc": {
                    "type": "boolean",
                    "description": "Elevated white blood cell count as assigned by the caller (Yokoe 2018 TG18 systemic sign of inflammation B). true or false. magent does not assay WBC."
                  },
                  "wbc_gt_18000": {
                    "type": "boolean",
                    "description": "White blood cell count >18,000/mm³ as assigned by the caller (Yokoe 2018 TG18 Grade II). true or false. magent does not assay WBC."
                  },
                  "pt_inr_gt_1_5": {
                    "type": "boolean",
                    "description": "PT-INR >1.5 as assigned by the caller (Yokoe 2018 TG18 Grade III hepatic dysfunction). true or false. magent does not interpret coagulation assays."
                  },
                  "duration_gt_72h": {
                    "type": "boolean",
                    "description": "Duration of complaints >72 h as assigned by the caller (Yokoe 2018 TG18 Grade II). true or false. magent does not take a history."
                  },
                  "imaging_findings": {
                    "type": "boolean",
                    "description": "Imaging findings characteristic of acute cholecystitis as assigned by the caller (Yokoe 2018 TG18 diagnostic criterion C). true or false. magent does not read imaging."
                  },
                  "platelets_lt_100k": {
                    "type": "boolean",
                    "description": "Platelet count <100,000/mm³ as assigned by the caller (Yokoe 2018 TG18 Grade III hematological dysfunction). true or false. magent does not assay platelets."
                  },
                  "decreased_consciousness": {
                    "type": "boolean",
                    "description": "Decreased level of consciousness as assigned by the caller (Yokoe 2018 TG18 Grade III neurological dysfunction). true or false. magent does not examine the patient."
                  },
                  "hypotension_vasopressors": {
                    "type": "boolean",
                    "description": "Hypotension requiring dopamine ≥5 µg/kg/min or any norepinephrine as assigned by the caller (Yokoe 2018 TG18 Grade III cardiovascular dysfunction). true or false. magent does not measure blood pressure or order vasopressors."
                  },
                  "palpable_tender_ruq_mass": {
                    "type": "boolean",
                    "description": "Palpable tender mass in the right upper quadrant as assigned by the caller (Yokoe 2018 TG18 Grade II). true or false. magent does not examine the patient."
                  },
                  "ruq_mass_pain_tenderness": {
                    "type": "boolean",
                    "description": "Right upper quadrant mass, pain, or tenderness as assigned by the caller (Yokoe 2018 TG18 local sign of inflammation A). true or false. magent does not examine the patient."
                  },
                  "marked_local_inflammation": {
                    "type": "boolean",
                    "description": "Marked local inflammation (gangrenous cholecystitis, pericholecystic abscess, hepatic abscess, biliary peritonitis, or emphysematous cholecystitis) as assigned by the caller (Yokoe 2018 TG18 Grade II). true or false. magent does not interpret imaging or operative findings."
                  },
                  "oliguria_or_creatinine_gt_2": {
                    "type": "boolean",
                    "description": "Oliguria or creatinine >2.0 mg/dL as assigned by the caller (Yokoe 2018 TG18 Grade III renal dysfunction). true or false. magent does not assay creatinine or measure urine output."
                  }
                }
              }
            },
            "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.

USD Coin contract
0x8335…02913
Payment window
10 minutes
As published
5000 smallest units
The catalog’s raw entry
[
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    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2",
      "paymentFlow": "upfront",
      "resourceUrl": "https://api.magentlab.com/api/calc/tokyo_cholecystitis",
      "assetTransferMethod": "eip3009"
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    "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
    "amount": "5000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 600
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]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "items": [
            {
              "fever": false,
              "murphy": false,
              "pfr_lt_300": false,
              "elevated_crp": false,
              "elevated_wbc": false,
              "wbc_gt_18000": false,
              "pt_inr_gt_1_5": false,
              "duration_gt_72h": false,
              "imaging_findings": false,
              "platelets_lt_100k": false,
              "decreased_consciousness": false,
              "hypotension_vasopressors": false,
              "palpable_tender_ruq_mass": false,
              "ruq_mass_pain_tenderness": false,
              "marked_local_inflammation": false,
              "oliguria_or_creatinine_gt_2": false
            },
            {
              "fever": false,
              "murphy": false,
              "pfr_lt_300": false,
              "elevated_crp": false,
              "elevated_wbc": false,
              "wbc_gt_18000": false,
              "pt_inr_gt_1_5": false,
              "duration_gt_72h": false,
              "imaging_findings": false,
              "platelets_lt_100k": false,
              "decreased_consciousness": false,
              "hypotension_vasopressors": false,
              "palpable_tender_ruq_mass": false,
              "ruq_mass_pain_tenderness": false,
              "marked_local_inflammation": false,
              "oliguria_or_creatinine_gt_2": false
            }
          ]
        },
        "type": "http",
        "method": "POST"
      },
      "output": {
        "type": "json",
        "example": {
          "path": "/api/calc/tokyo_cholecystitis",
          "count": 2,
          "items": [
            {
              "formula": "tokyo_cholecystitis",
              "citation": {
                "id": "yokoe-2018",
                "doi": "10.1002/jhbp.515",
                "pmid": "29032636",
                "title": "Tokyo Guidelines 2018: diagnostic criteria and severity grading of acute cholecystitis (with videos).",
                "source": "J Hepatobiliary Pancreat Sci. 2018;25(1):41-54",
                "authors": "Yokoe M, Hata J, Takada T, et al."
              },
              "criteria": [
                {
                  "met": false,
                  "factor": "local_signs"
                },
                {
                  "met": false,
                  "factor": "systemic_signs"
                },
                {
                  "met": false,
                  "factor": "imaging_findings"
                },
                {
                  "met": false,
                  "factor": "grade_iii_any"
                },
                {
                  "met": false,
                  "factor": "grade_ii_any"
                },
                {
                  "met": false,
                  "factor": "murphy"
                },
                {
                  "met": false,
                  "factor": "ruq_mass_pain_tenderness"
                },
                {
                  "met": false,
                  "factor": "fever"
                },
                {
                  "met": false,
                  "factor": "elevated_crp"
                },
                {
                  "met": false,
                  "factor": "elevated_wbc"
                },
                {
                  "met": false,
                  "factor": "hypotension_vasopressors"
                },
                {
                  "met": false,
                  "factor": "decreased_consciousness"
                },
                {
                  "met": false,
                  "factor": "pfr_lt_300"
                },
                {
                  "met": false,
                  "factor": "oliguria_or_creatinine_gt_2"
                },
                {
                  "met": false,
                  "factor": "pt_inr_gt_1_5"
                },
                {
                  "met": false,
                  "factor": "platelets_lt_100k"
                },
                {
                  "met": false,
                  "factor": "wbc_gt_18000"
                },
                {
                  "met": false,
                  "factor": "palpable_tender_ruq_mass"
                },
                {
                  "met": false,
                  "factor": "duration_gt_72h"
                },
                {
                  "met": false,
                  "factor": "marked_local_inflammation"
                }
              ],
              "severity": "none",
              "diagnosis": "none",
              "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": "definite iff local_signs and systemic_signs and imaging_findings; suspected iff local_signs and systemic_signs without imaging_findings; else none. local_signs iff murphy or ruq_mass_pain_tenderness; systemic_signs iff fever or elevated_crp or elevated_wbc. When diagnosis is suspected or definite: grade_iii if any organ-dysfunction flag (hypotension_vasopressors, decreased_consciousness, pfr_lt_300, oliguria_or_creatinine_gt_2, pt_inr_gt_1_5, platelets_lt_100k), else grade_ii if any Grade II flag (wbc_gt_18000, palpable_tender_ruq_mass, duration_gt_72h, marked_local_inflammation), else grade_i. When diagnosis is none, severity is none (Yokoe 2018 TG18 = TG13 unmodified)"
            },
            {
              "formula": "tokyo_cholecystitis",
              "citation": {
                "id": "yokoe-2018",
                "doi": "10.1002/jhbp.515",
                "pmid": "29032636",
                "title": "Tokyo Guidelines 2018: diagnostic criteria and severity grading of acute cholecystitis (with videos).",
                "source": "J Hepatobiliary Pancreat Sci. 2018;25(1):41-54",
                "authors": "Yokoe M, Hata J, Takada T, et al."
              },
              "criteria": [
                {
                  "met": false,
                  "factor": "local_signs"
                },
                {
                  "met": false,
                  "factor": "systemic_signs"
                },
                {
                  "met": false,
                  "factor": "imaging_findings"
                },
                {
                  "met": false,
                  "factor": "grade_iii_any"
                },
                {
                  "met": false,
                  "factor": "grade_ii_any"
                },
                {
                  "met": false,
                  "factor": "murphy"
                },
                {
                  "met": false,
                  "factor": "ruq_mass_pain_tenderness"
                },
                {
                  "met": false,
                  "factor": "fever"
                },
                {
                  "met": false,
                  "factor": "elevated_crp"
                },
                {
                  "met": false,
                  "factor": "elevated_wbc"
                },
                {
                  "met": false,
                  "factor": "hypotension_vasopressors"
                },
                {
                  "met": false,
                  "factor": "decreased_consciousness"
                },
                {
                  "met": false,
                  "factor": "pfr_lt_300"
                },
                {
                  "met": false,
                  "factor": "oliguria_or_creatinine_gt_2"
                },
                {
                  "met": false,
                  "factor": "pt_inr_gt_1_5"
                },
                {
                  "met": false,
                  "factor": "platelets_lt_100k"
                },
                {
                  "met": false,
                  "factor": "wbc_gt_18000"
                },
                {
                  "met": false,
                  "factor": "palpable_tender_ruq_mass"
                },
                {
                  "met": false,
                  "factor": "duration_gt_72h"
                },
                {
                  "met": false,
                  "factor": "marked_local_inflammation"
                }
              ],
              "severity": "none",
              "diagnosis": "none",
              "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": "definite iff local_signs and systemic_signs and imaging_findings; suspected iff local_signs and systemic_signs without imaging_findings; else none. local_signs iff murphy or ruq_mass_pain_tenderness; systemic_signs iff fever or elevated_crp or elevated_wbc. When diagnosis is suspected or definite: grade_iii if any organ-dysfunction flag (hypotension_vasopressors, decreased_consciousness, pfr_lt_300, oliguria_or_creatinine_gt_2, pt_inr_gt_1_5, platelets_lt_100k), else grade_ii if any Grade II flag (wbc_gt_18000, palpable_tender_ruq_mass, duration_gt_72h, marked_local_inflammation), else grade_i. When diagnosis is none, severity is none (Yokoe 2018 TG18 = TG13 unmodified)"
            }
          ]
        }
      },
      "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": [
                      "murphy",
                      "ruq_mass_pain_tenderness",
                      "fever",
                      "elevated_crp",
                      "elevated_wbc",
                      "imaging_findings",
                      "hypotension_vasopressors",
                      "decreased_consciousness",
                      "pfr_lt_300",
                      "oliguria_or_creatinine_gt_2",
                      "pt_inr_gt_1_5",
                      "platelets_lt_100k",
                      "wbc_gt_18000",
                      "palpable_tender_ruq_mass",
                      "duration_gt_72h",
                      "marked_local_inflammation"
                    ],
                    "properties": {
                      "fever": {
                        "type": "boolean",
                        "description": "Fever as assigned by the caller (Yokoe 2018 TG18 systemic sign of inflammation B). true or false. magent does not measure temperature."
                      },
                      "murphy": {
                        "type": "boolean",
                        "description": "Murphy's sign as assigned by the caller (Yokoe 2018 TG18 local sign of inflammation A). true or false. magent does not examine the patient."
                      },
                      "pfr_lt_300": {
                        "type": "boolean",
                        "description": "PaO2/FiO2 <300 as assigned by the caller (Yokoe 2018 TG18 Grade III respiratory dysfunction). true or false. magent does not interpret blood gas or ventilator settings."
                      },
                      "elevated_crp": {
                        "type": "boolean",
                        "description": "Elevated C-reactive protein as assigned by the caller (Yokoe 2018 TG18 systemic sign of inflammation B). true or false. magent does not assay CRP."
                      },
                      "elevated_wbc": {
                        "type": "boolean",
                        "description": "Elevated white blood cell count as assigned by the caller (Yokoe 2018 TG18 systemic sign of inflammation B). true or false. magent does not assay WBC."
                      },
                      "wbc_gt_18000": {
                        "type": "boolean",
                        "description": "White blood cell count >18,000/mm³ as assigned by the caller (Yokoe 2018 TG18 Grade II). true or false. magent does not assay WBC."
                      },
                      "pt_inr_gt_1_5": {
                        "type": "boolean",
                        "description": "PT-INR >1.5 as assigned by the caller (Yokoe 2018 TG18 Grade III hepatic dysfunction). true or false. magent does not interpret coagulation assays."
                      },
                      "duration_gt_72h": {
                        "type": "boolean",
                        "description": "Duration of complaints >72 h as assigned by the caller (Yokoe 2018 TG18 Grade II). true or false. magent does not take a history."
                      },
                      "imaging_findings": {
                        "type": "boolean",
                        "description": "Imaging findings characteristic of acute cholecystitis as assigned by the caller (Yokoe 2018 TG18 diagnostic criterion C). true or false. magent does not read imaging."
                      },
                      "platelets_lt_100k": {
                        "type": "boolean",
                        "description": "Platelet count <100,000/mm³ as assigned by the caller (Yokoe 2018 TG18 Grade III hematological dysfunction). true or false. magent does not assay platelets."
                      },
                      "decreased_consciousness": {
                        "type": "boolean",
                        "description": "Decreased level of consciousness as assigned by the caller (Yokoe 2018 TG18 Grade III neurological dysfunction). true or false. magent does not examine the patient."
                      },
                      "hypotension_vasopressors": {
                        "type": "boolean",
                        "description": "Hypotension requiring dopamine ≥5 µg/kg/min or any norepinephrine as assigned by the caller (Yokoe 2018 TG18 Grade III cardiovascular dysfunction). true or false. magent does not measure blood pressure or order vasopressors."
                      },
                      "palpable_tender_ruq_mass": {
                        "type": "boolean",
                        "description": "Palpable tender mass in the right upper quadrant as assigned by the caller (Yokoe 2018 TG18 Grade II). true or false. magent does not examine the patient."
                      },
                      "ruq_mass_pain_tenderness": {
                        "type": "boolean",
                        "description": "Right upper quadrant mass, pain, or tenderness as assigned by the caller (Yokoe 2018 TG18 local sign of inflammation A). true or false. magent does not examine the patient."
                      },
                      "marked_local_inflammation": {
                        "type": "boolean",
                        "description": "Marked local inflammation (gangrenous cholecystitis, pericholecystic abscess, hepatic abscess, biliary peritonitis, or emphysematous cholecystitis) as assigned by the caller (Yokoe 2018 TG18 Grade II). true or false. magent does not interpret imaging or operative findings."
                      },
                      "oliguria_or_creatinine_gt_2": {
                        "type": "boolean",
                        "description": "Oliguria or creatinine >2.0 mg/dL as assigned by the caller (Yokoe 2018 TG18 Grade III renal dysfunction). true or false. magent does not assay creatinine or measure urine output."
                      }
                    }
                  },
                  "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 13:10Z
Last indexed by Roundhouse
2026-09-07 06:20Z
Last enriched (probe, favicon, geo)
2026-09-13 09:15Z
x402 version
2
Max timeout
600s
Liveness probe
HTTP 0
Report

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.

Open skill.md
Show 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/tokyo_cholecystitis, 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.