BRUE (Tieder 2016 AAP)
BRUE (Tieder 2016 AAP). brue is true iff the infant is younger than 1 year, the episode was sudden, brief, and now resolved, no explanation remains after appropriate history and physical examination, and at least one of: cyanosis or pallor; absent, decreased, or irregular breathing; marked change in tone; altered level of responsiveness. feature_count is 0-4. Caller assigns seven flags. magent does not examine the infant. Not a diagnosis, not ALTE, not SIDS.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
324 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/brue
| 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 | $0.007 | 324 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"absent_decreased_irregular_breathing": false,
"age_under_1_year": true,
"altered_responsiveness": false,
"cyanosis_or_pallor": true,
"marked_tone_change": false,
"sudden_brief_now_resolved": true,
"unexplained_after_history_exam": true
},
{
"absent_decreased_irregular_breathing": false,
"age_under_1_year": true,
"altered_responsiveness": false,
"cyanosis_or_pallor": true,
"marked_tone_change": false,
"sudden_brief_now_resolved": true,
"unexplained_after_history_exam": true
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"absent_decreased_irregular_breathing": {
"description": "Absent, decreased, or irregular breathing during the episode (one of four event features; at least one required). true or false as assigned by the caller.",
"type": "boolean"
},
"age_under_1_year": {
"description": "Infant younger than 1 year as assigned by the caller (Tieder 2016 BRUE definition). true or false. magent does not examine the infant or take an age in days.",
"type": "boolean"
},
"altered_responsiveness": {
"description": "Altered level of responsiveness during the episode (one of four event features; at least one required). true or false as assigned by the caller.",
"type": "boolean"
},
"cyanosis_or_pallor": {
"description": "Cyanosis or pallor during the episode (one of four event features; at least one required). true or false as assigned by the caller. magent does not examine the infant.",
"type": "boolean"
},
"marked_tone_change": {
"description": "Marked change in tone (hyper- or hypotonia) during the episode (one of four event features; at least one required). true or false as assigned by the caller.",
"type": "boolean"
},
"sudden_brief_now_resolved": {
"description": "Observer reports a sudden, brief, and now resolved episode as assigned by the caller. true or false. magent does not take a history.",
"type": "boolean"
},
"unexplained_after_history_exam": {
"description": "No explanation remains after appropriate history and physical examination as assigned by the caller. true means unexplained and is required for BRUE. true or false. magent does not examine the infant.",
"type": "boolean"
}
},
"required": [
"age_under_1_year",
"sudden_brief_now_resolved",
"cyanosis_or_pallor",
"absent_decreased_irregular_breathing",
"marked_tone_change",
"altered_responsiveness",
"unexplained_after_history_exam"
],
"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"
}