magent

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/duke",
        "assetTransferMethod": "eip3009"
      },
      "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
      "amount": "5000",
      "scheme": "exact",
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    {
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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/duke",
    "tags": [
      "duke",
      "endocarditis",
      "infection",
      "ie",
      "calculator"
    ],
    "mimeType": "application/json",
    "description": "Durack 1994 original Duke criteria for infective endocarditis. Definite if pathologic_definite or clinical_definite (2 major, or 1 major plus 3 minor, or 5 minor); else rejected if any rejected flag; else possible. Suggestive echo and suggestive micro are not double-counted with the matching major. Caller assigns flags. magent does not examine the patient, read an echocardiogram, or interpret cultures. Not Li 2000 modified Duke. Not ISCVID 2023. Not a diagnosis.",
    "serviceName": "magent"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "minor_fever": false,
            "major_positive_echo": true,
            "pathologic_definite": false,
            "minor_predisposition": false,
            "minor_suggestive_echo": false,
            "minor_suggestive_micro": false,
            "minor_vascular_phenomena": false,
            "major_typical_blood_culture": true,
            "minor_immunologic_phenomena": false,
            "rejected_firm_alternate_diagnosis": false,
            "rejected_resolved_le_4_days_antibiotics": false,
            "rejected_no_pathology_le_4_days_antibiotics": false
          }
        },
        "output": {
          "type": "json",
          "example": {
            "formula": "duke",
            "citation": {
              "id": "durack-1994",
              "doi": "10.1016/0002-9343(94)90143-0",
              "pmid": "8154507",
              "title": "New criteria for diagnosis of infective endocarditis: utilization of specific echocardiographic findings. Duke Endocarditis Service",
              "source": "Am J Med. 1994;96(3):200-209",
              "authors": "Durack DT, Lukes AS, Bright DK"
            },
            "criteria": [
              {
                "met": false,
                "factor": "pathologic_definite"
              },
              {
                "met": true,
                "factor": "major_typical_blood_culture"
              },
              {
                "met": true,
                "factor": "major_positive_echo"
              },
              {
                "met": false,
                "factor": "minor_predisposition"
              },
              {
                "met": false,
                "factor": "minor_fever"
              },
              {
                "met": false,
                "factor": "minor_vascular_phenomena"
              },
              {
                "met": false,
                "factor": "minor_immunologic_phenomena"
              },
              {
                "met": false,
                "factor": "minor_suggestive_echo"
              },
              {
                "met": false,
                "factor": "minor_suggestive_micro"
              },
              {
                "met": false,
                "factor": "rejected_firm_alternate_diagnosis"
              },
              {
                "met": false,
                "factor": "rejected_resolved_le_4_days_antibiotics"
              },
              {
                "met": false,
                "factor": "rejected_no_pathology_le_4_days_antibiotics"
              },
              {
                "met": true,
                "factor": "clinical_definite"
              },
              {
                "met": false,
                "factor": "rejected"
              }
            ],
            "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.",
            "major_count": 2,
            "minor_count": 0,
            "classification": "definite",
            "formula_expression": "definite iff pathologic_definite or clinical_definite; clinical_definite iff major_count >= 2 or (major_count >= 1 and minor_count >= 3) or minor_count >= 5; else rejected if any rejected flag; else possible (Durack 1994 original Duke). minor_suggestive_echo is not counted when major_positive_echo is true; minor_suggestive_micro is not counted when major_typical_blood_culture is true. Not Li 2000. Not ISCVID 2023"
          }
        },
        "iconUrl": "https://api.magentlab.com/favicon.ico"
      },
      "schema": {
        "type": "object",
        "$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": [
                  "pathologic_definite",
                  "major_typical_blood_culture",
                  "major_positive_echo",
                  "minor_predisposition",
                  "minor_fever",
                  "minor_vascular_phenomena",
                  "minor_immunologic_phenomena",
                  "minor_suggestive_echo",
                  "minor_suggestive_micro",
                  "rejected_firm_alternate_diagnosis",
                  "rejected_resolved_le_4_days_antibiotics",
                  "rejected_no_pathology_le_4_days_antibiotics"
                ],
                "properties": {
                  "minor_fever": {
                    "type": "boolean",
                    "description": "Fever ≥38.0 C (Durack 1994 minor). true or false as assigned by the caller. magent does not measure temperature."
                  },
                  "major_positive_echo": {
                    "type": "boolean",
                    "description": "Positive echocardiogram for IE: oscillating mass or vegetation, abscess, new partial dehiscence of a prosthetic valve, or new valvular regurgitation (Durack 1994 major). true or false as assigned by the caller. magent does not read an echocardiogram."
                  },
                  "pathologic_definite": {
                    "type": "boolean",
                    "description": "Microorganisms demonstrated by culture or histology in a vegetation, embolus, or intracardiac abscess, or pathologic lesions (vegetation or abscess) confirmed by histology showing active endocarditis (Durack 1994 pathologic definite). true or false as assigned by the caller. magent does not examine tissue."
                  },
                  "minor_predisposition": {
                    "type": "boolean",
                    "description": "Predisposing heart condition or intravenous drug use (Durack 1994 minor). true or false as assigned by the caller. magent does not take a history."
                  },
                  "minor_suggestive_echo": {
                    "type": "boolean",
                    "description": "Echocardiogram consistent with IE but not meeting the major echo definition (Durack 1994 minor). true or false as assigned by the caller. Not counted in minor_count when major_positive_echo is true. magent does not read an echocardiogram."
                  },
                  "minor_suggestive_micro": {
                    "type": "boolean",
                    "description": "Microbiologic evidence not meeting the major culture definition (Durack 1994 minor). true or false as assigned by the caller. Not counted in minor_count when major_typical_blood_culture is true. magent does not interpret cultures."
                  },
                  "minor_vascular_phenomena": {
                    "type": "boolean",
                    "description": "Vascular phenomena (Durack 1994 minor): major arterial emboli, septic pulmonary infarcts, mycotic aneurysm, intracranial hemorrhage, conjunctival hemorrhages, or Janeway lesions, as assigned by the caller. magent does not examine the patient."
                  },
                  "major_typical_blood_culture": {
                    "type": "boolean",
                    "description": "Typical microorganism from two separate blood cultures, or persistently positive blood cultures, as assigned by the caller (Durack 1994 major typical blood culture). true or false. magent does not interpret cultures."
                  },
                  "minor_immunologic_phenomena": {
                    "type": "boolean",
                    "description": "Immunologic phenomena (Durack 1994 minor): glomerulonephritis, Osler nodes, Roth spots, or rheumatoid factor, as assigned by the caller. magent does not examine the patient."
                  },
                  "rejected_firm_alternate_diagnosis": {
                    "type": "boolean",
                    "description": "Firm alternate diagnosis explaining evidence of IE (Durack 1994 rejected). true or false as assigned by the caller. Classification is rejected only when definite does not hold."
                  },
                  "rejected_resolved_le_4_days_antibiotics": {
                    "type": "boolean",
                    "description": "Manifestations of IE resolved with antibiotic therapy for 4 days or less (Durack 1994 rejected). true or false as assigned by the caller."
                  },
                  "rejected_no_pathology_le_4_days_antibiotics": {
                    "type": "boolean",
                    "description": "No pathologic evidence of IE at surgery or autopsy after antibiotic therapy for 4 days or less (Durack 1994 rejected). true or false as assigned by the caller. magent does not examine tissue."
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
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              },
              "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.

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    "extra": {
      "name": "USD Coin",
      "version": "2",
      "paymentFlow": "upfront",
      "resourceUrl": "https://api.magentlab.com/api/calc/duke",
      "assetTransferMethod": "eip3009"
    },
    "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2",
    "amount": "5000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 600
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "items": [
            {
              "minor_fever": false,
              "major_positive_echo": true,
              "pathologic_definite": false,
              "minor_predisposition": false,
              "minor_suggestive_echo": false,
              "minor_suggestive_micro": false,
              "minor_vascular_phenomena": false,
              "major_typical_blood_culture": true,
              "minor_immunologic_phenomena": false,
              "rejected_firm_alternate_diagnosis": false,
              "rejected_resolved_le_4_days_antibiotics": false,
              "rejected_no_pathology_le_4_days_antibiotics": false
            },
            {
              "minor_fever": false,
              "major_positive_echo": true,
              "pathologic_definite": false,
              "minor_predisposition": false,
              "minor_suggestive_echo": false,
              "minor_suggestive_micro": false,
              "minor_vascular_phenomena": false,
              "major_typical_blood_culture": true,
              "minor_immunologic_phenomena": false,
              "rejected_firm_alternate_diagnosis": false,
              "rejected_resolved_le_4_days_antibiotics": false,
              "rejected_no_pathology_le_4_days_antibiotics": false
            }
          ]
        },
        "type": "http",
        "method": "POST"
      },
      "output": {
        "type": "json",
        "example": {
          "path": "/api/calc/duke",
          "count": 2,
          "items": [
            {
              "formula": "duke",
              "citation": {
                "id": "durack-1994",
                "doi": "10.1016/0002-9343(94)90143-0",
                "pmid": "8154507",
                "title": "New criteria for diagnosis of infective endocarditis: utilization of specific echocardiographic findings. Duke Endocarditis Service",
                "source": "Am J Med. 1994;96(3):200-209",
                "authors": "Durack DT, Lukes AS, Bright DK"
              },
              "criteria": [
                {
                  "met": false,
                  "factor": "pathologic_definite"
                },
                {
                  "met": true,
                  "factor": "major_typical_blood_culture"
                },
                {
                  "met": true,
                  "factor": "major_positive_echo"
                },
                {
                  "met": false,
                  "factor": "minor_predisposition"
                },
                {
                  "met": false,
                  "factor": "minor_fever"
                },
                {
                  "met": false,
                  "factor": "minor_vascular_phenomena"
                },
                {
                  "met": false,
                  "factor": "minor_immunologic_phenomena"
                },
                {
                  "met": false,
                  "factor": "minor_suggestive_echo"
                },
                {
                  "met": false,
                  "factor": "minor_suggestive_micro"
                },
                {
                  "met": false,
                  "factor": "rejected_firm_alternate_diagnosis"
                },
                {
                  "met": false,
                  "factor": "rejected_resolved_le_4_days_antibiotics"
                },
                {
                  "met": false,
                  "factor": "rejected_no_pathology_le_4_days_antibiotics"
                },
                {
                  "met": true,
                  "factor": "clinical_definite"
                },
                {
                  "met": false,
                  "factor": "rejected"
                }
              ],
              "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.",
              "major_count": 2,
              "minor_count": 0,
              "classification": "definite",
              "formula_expression": "definite iff pathologic_definite or clinical_definite; clinical_definite iff major_count >= 2 or (major_count >= 1 and minor_count >= 3) or minor_count >= 5; else rejected if any rejected flag; else possible (Durack 1994 original Duke). minor_suggestive_echo is not counted when major_positive_echo is true; minor_suggestive_micro is not counted when major_typical_blood_culture is true. Not Li 2000. Not ISCVID 2023"
            },
            {
              "formula": "duke",
              "citation": {
                "id": "durack-1994",
                "doi": "10.1016/0002-9343(94)90143-0",
                "pmid": "8154507",
                "title": "New criteria for diagnosis of infective endocarditis: utilization of specific echocardiographic findings. Duke Endocarditis Service",
                "source": "Am J Med. 1994;96(3):200-209",
                "authors": "Durack DT, Lukes AS, Bright DK"
              },
              "criteria": [
                {
                  "met": false,
                  "factor": "pathologic_definite"
                },
                {
                  "met": true,
                  "factor": "major_typical_blood_culture"
                },
                {
                  "met": true,
                  "factor": "major_positive_echo"
                },
                {
                  "met": false,
                  "factor": "minor_predisposition"
                },
                {
                  "met": false,
                  "factor": "minor_fever"
                },
                {
                  "met": false,
                  "factor": "minor_vascular_phenomena"
                },
                {
                  "met": false,
                  "factor": "minor_immunologic_phenomena"
                },
                {
                  "met": false,
                  "factor": "minor_suggestive_echo"
                },
                {
                  "met": false,
                  "factor": "minor_suggestive_micro"
                },
                {
                  "met": false,
                  "factor": "rejected_firm_alternate_diagnosis"
                },
                {
                  "met": false,
                  "factor": "rejected_resolved_le_4_days_antibiotics"
                },
                {
                  "met": false,
                  "factor": "rejected_no_pathology_le_4_days_antibiotics"
                },
                {
                  "met": true,
                  "factor": "clinical_definite"
                },
                {
                  "met": false,
                  "factor": "rejected"
                }
              ],
              "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.",
              "major_count": 2,
              "minor_count": 0,
              "classification": "definite",
              "formula_expression": "definite iff pathologic_definite or clinical_definite; clinical_definite iff major_count >= 2 or (major_count >= 1 and minor_count >= 3) or minor_count >= 5; else rejected if any rejected flag; else possible (Durack 1994 original Duke). minor_suggestive_echo is not counted when major_positive_echo is true; minor_suggestive_micro is not counted when major_typical_blood_culture is true. Not Li 2000. Not ISCVID 2023"
            }
          ]
        }
      },
      "iconUrl": "https://api.magentlab.com/favicon.ico"
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
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          "required": [
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          "properties": {
            "body": {
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              "required": [
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              ],
              "properties": {
                "items": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "required": [
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                      "major_typical_blood_culture",
                      "major_positive_echo",
                      "minor_predisposition",
                      "minor_fever",
                      "minor_vascular_phenomena",
                      "minor_immunologic_phenomena",
                      "minor_suggestive_echo",
                      "minor_suggestive_micro",
                      "rejected_firm_alternate_diagnosis",
                      "rejected_resolved_le_4_days_antibiotics",
                      "rejected_no_pathology_le_4_days_antibiotics"
                    ],
                    "properties": {
                      "minor_fever": {
                        "type": "boolean",
                        "description": "Fever ≥38.0 C (Durack 1994 minor). true or false as assigned by the caller. magent does not measure temperature."
                      },
                      "major_positive_echo": {
                        "type": "boolean",
                        "description": "Positive echocardiogram for IE: oscillating mass or vegetation, abscess, new partial dehiscence of a prosthetic valve, or new valvular regurgitation (Durack 1994 major). true or false as assigned by the caller. magent does not read an echocardiogram."
                      },
                      "pathologic_definite": {
                        "type": "boolean",
                        "description": "Microorganisms demonstrated by culture or histology in a vegetation, embolus, or intracardiac abscess, or pathologic lesions (vegetation or abscess) confirmed by histology showing active endocarditis (Durack 1994 pathologic definite). true or false as assigned by the caller. magent does not examine tissue."
                      },
                      "minor_predisposition": {
                        "type": "boolean",
                        "description": "Predisposing heart condition or intravenous drug use (Durack 1994 minor). true or false as assigned by the caller. magent does not take a history."
                      },
                      "minor_suggestive_echo": {
                        "type": "boolean",
                        "description": "Echocardiogram consistent with IE but not meeting the major echo definition (Durack 1994 minor). true or false as assigned by the caller. Not counted in minor_count when major_positive_echo is true. magent does not read an echocardiogram."
                      },
                      "minor_suggestive_micro": {
                        "type": "boolean",
                        "description": "Microbiologic evidence not meeting the major culture definition (Durack 1994 minor). true or false as assigned by the caller. Not counted in minor_count when major_typical_blood_culture is true. magent does not interpret cultures."
                      },
                      "minor_vascular_phenomena": {
                        "type": "boolean",
                        "description": "Vascular phenomena (Durack 1994 minor): major arterial emboli, septic pulmonary infarcts, mycotic aneurysm, intracranial hemorrhage, conjunctival hemorrhages, or Janeway lesions, as assigned by the caller. magent does not examine the patient."
                      },
                      "major_typical_blood_culture": {
                        "type": "boolean",
                        "description": "Typical microorganism from two separate blood cultures, or persistently positive blood cultures, as assigned by the caller (Durack 1994 major typical blood culture). true or false. magent does not interpret cultures."
                      },
                      "minor_immunologic_phenomena": {
                        "type": "boolean",
                        "description": "Immunologic phenomena (Durack 1994 minor): glomerulonephritis, Osler nodes, Roth spots, or rheumatoid factor, as assigned by the caller. magent does not examine the patient."
                      },
                      "rejected_firm_alternate_diagnosis": {
                        "type": "boolean",
                        "description": "Firm alternate diagnosis explaining evidence of IE (Durack 1994 rejected). true or false as assigned by the caller. Classification is rejected only when definite does not hold."
                      },
                      "rejected_resolved_le_4_days_antibiotics": {
                        "type": "boolean",
                        "description": "Manifestations of IE resolved with antibiotic therapy for 4 days or less (Durack 1994 rejected). true or false as assigned by the caller."
                      },
                      "rejected_no_pathology_le_4_days_antibiotics": {
                        "type": "boolean",
                        "description": "No pathologic evidence of IE at surgery or autopsy after antibiotic therapy for 4 days or less (Durack 1994 rejected). true or false as assigned by the caller. magent does not examine tissue."
                      }
                    }
                  },
                  "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": [
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          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog

2026-08-31 13:19Z

Last indexed by Roundhouse

2026-09-07 06:20Z

Last enriched (probe, favicon, geo)

2026-09-12 20:15Z

x402 version

2

Max timeout

600s

Liveness probe

HTTP 0