CART integer score from Churpek 2012 Table 3 (beta x 9)
CART integer score from Churpek 2012 Table 3 (beta x 9): maximum respiratory rate, maximum heart rate, minimum diastolic BP, and age, summed to 0-57. magent does not measure vitals; the caller assigns the numbers. Deterministic published arithmetic with citation; not a cardiac-arrest diagnosis and not an RRT order. Does not return risk-band percents.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
293 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/cart
| 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 | $0.007 | 293 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"age": 40,
"diastolic_mm_hg": 80,
"heart_rate_bpm": 80,
"respiratory_rate": 20
},
{
"age": 40,
"diastolic_mm_hg": 80,
"heart_rate_bpm": 80,
"respiratory_rate": 20
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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 (integer 18-120). Churpek 2012 Table 3: <55 \u2192 0, 55-69 \u2192 4, >69 \u2192 9. magent does not assign age.",
"type": "integer"
},
"diastolic_mm_hg": {
"description": "Minimum diastolic blood pressure in mm Hg (integer 20-160). Churpek 2012 Table 3: >49 \u2192 0, 40-49 \u2192 4, 35-39 \u2192 6, <35 \u2192 13. magent does not measure vitals; the caller assigns the number.",
"type": "integer"
},
"heart_rate_bpm": {
"description": "Maximum heart rate in beats/min (integer 30-220). Churpek 2012 Table 3: <110 \u2192 0, 110-139 \u2192 4, >139 \u2192 13. magent does not measure vitals; the caller assigns the number.",
"type": "integer"
},
"respiratory_rate": {
"description": "Maximum respiratory rate in breaths/min (integer 0-80). Churpek 2012 Table 3: <21 \u2192 0, 21-23 \u2192 8, 24-25 \u2192 12, 26-29 \u2192 15, >29 \u2192 22. magent does not measure vitals; the caller assigns the number.",
"type": "integer"
}
},
"required": [
"respiratory_rate",
"heart_rate_bpm",
"diastolic_mm_hg",
"age"
],
"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"
}