Benza 2019 REVEAL 2.0
Benza 2019 REVEAL 2.0: start at 6; add published points for etiology (CTD +1, PoPH +3, heritable +2), male >60, renal insufficiency, WHO FC, 6-month hospitalization, SBP <110, HR >96, 6MWD, BNP/NT-proBNP, pericardial effusion, DLCO <40%, mRAP >20, and PVR <5. Returns low (0-6), intermediate (7-8), or high (>=9) 12-month mortality. Caller-assigned; not a PAH diagnosis or dose. Not REVEAL 1.0 or Lite 2.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
321 msmedian answer time
$0.005listed price per call
$0.007price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.magentlab.com/api/calc/reveal_pah
| Category | Everything else |
|---|---|
| Provider host | api.magentlab.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-28 | valid payment request | 402 | $0.007 | 321 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"age": 40,
"bnp_pg_ml": 40,
"dlco_lt_40": false,
"etiology": "other",
"hospitalization_6mo": false,
"hr_gt_96": false,
"male": false,
"mrap_gt_20": false,
"nt_probnp_pg_ml": 200,
"pericardial_effusion": false,
"pvr_lt_5": true,
"renal_insufficiency": false,
"sbp_lt_110": false,
"six_minute_walk_m": 480,
"who_fc": 1
},
{
"age": 40,
"bnp_pg_ml": 40,
"dlco_lt_40": false,
"etiology": "other",
"hospitalization_6mo": false,
"hr_gt_96": false,
"male": false,
"mrap_gt_20": false,
"nt_probnp_pg_ml": 200,
"pericardial_effusion": false,
"pvr_lt_5": true,
"renal_insufficiency": false,
"sbp_lt_110": false,
"six_minute_walk_m": 480,
"who_fc": 1
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"age": {
"description": "Age in years (18-120). Male and age >60 scores +2 (Benza 2019).",
"type": "integer"
},
"bnp_pg_ml": {
"description": "BNP in pg/mL 0-35000 (Benza 2019). <50 -2; 50-<200 0; 200-<800 +1; >=800 +2. Omit only when sending nt_probnp_pg_ml instead. magent does not assay BNP.",
"type": "number"
},
"dlco_lt_40": {
"description": "DLCO <40% predicted as assigned by the caller (Benza 2019 REVEAL 2.0, not the 1.0 <=32 / >=80 bands). true or false. +1 if true.",
"type": "boolean"
},
"etiology": {
"description": "PAH subgroup (Benza 2019). other (including idiopathic) 0; ctd +1; poph +3; heritable +2. Mutually exclusive. Caller-assigned.",
"enum": [
"other",
"ctd",
"poph",
"heritable"
],
"type": "string"
},
"hospitalization_6mo": {
"description": "All-cause hospitalization in the prior 6 months (Benza 2019). true or false. +1 if true.",
"type": "boolean"
},
"hr_gt_96": {
"description": "Heart rate >96 bpm as assigned by the caller (Benza 2019 REVEAL 2.0, not the 1.0 >92 cutoff). true or false. +1 if true.",
"type": "boolean"
},
"male": {
"description": "Male sex as assigned by the caller. true or false. Scores +2 only when age >60.",
"type": "boolean"
},
"mrap_gt_20": {
"description": "Mean right atrial pressure >20 mmHg within 1 year as assigned by the caller (Benza 2019). true or false. +1 if true. magent does not catheterize.",
"type": "boolean"
},
"nt_probnp_pg_ml": {
"description": "NT-proBNP in pg/mL 0-35000 when BNP is not sent (Benza 2019). <300 -2; 300-<1100 0; >=1100 +2. BNP is used when both are sent.",
"type": "number"
},
"pericardial_effusion": {
"description": "Pericardial effusion on echocardiography as assigned by the caller (Benza 2019). true or false. +1 if true. magent does not read the echocardiogram.",
"type": "boolean"
},
"pvr_lt_5": {
"description": "Pulmonary vascular resistance <5 Wood units as assigned by the caller (Benza 2019 REVEAL 2.0, not the 1.0 >32 WU band). true or false. -1 if true.",
"type": "boolean"
},
"renal_insufficiency": {
"description": "eGFR <60 mL/min/1.73 m2 or renal insufficiency by clinical judgment when eGFR is unavailable (Benza 2019). true or false. +1 if true. magent does not compute eGFR.",
"type": "boolean"
},
"sbp_lt_110": {
"description": "Systolic blood pressure <110 mmHg as assigned by the caller (Benza 2019). true or false. +1 if true. magent does not measure blood pressure.",
"type": "boolean"
},
"six_minute_walk_m": {
"description": "Six-minute walk distance in meters 0-1000 (Benza 2019). >=440 -2; 320-<440 -1; 165-<320 0; <165 +1. Caller-assigned; magent does not time the walk.",
"type": "number"
},
"who_fc": {
"description": "WHO / NYHA functional class 1, 2, 3, or 4 (Benza 2019). FC I -1; II 0; III +1; IV +2. Caller-assigned; magent does not interview the patient.",
"type": "integer"
}
},
"required": [
"who_fc",
"etiology",
"age",
"male",
"renal_insufficiency",
"hospitalization_6mo",
"sbp_lt_110",
"hr_gt_96",
"six_minute_walk_m",
"bnp_pg_ml",
"pericardial_effusion",
"dlco_lt_40",
"mrap_gt_20",
"pvr_lt_5"
],
"type": "object"
},
"maxItems": 25,
"minItems": 1,
"type": "array"
}
},
"required": [
"items"
],
"type": "object"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"const": "POST",
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}