Barbosa 2013 TWIST (Testicular Workup for Ischemia and Suspected Torsion)
Barbosa 2013 TWIST (Testicular Workup for Ischemia and Suspected Torsion). Five caller-assigned flags: testicular swelling (2), hard testicle (2), absent cremasteric reflex (1), nausea or vomiting (1), high-riding testis (1). Max 7. Risk: 0–2 low, 3–4 intermediate, 5–7 high (cutoffs 2 and 5). Not a torsion diagnosis or an ultrasound or operative order. magent does not examine the patient.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
280 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/twist
| 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 | $0.007 | 280 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"absent_cremasteric_reflex": false,
"hard_testicle": false,
"high_riding_testis": false,
"nausea_or_vomiting": false,
"testicular_swelling": false
},
{
"absent_cremasteric_reflex": false,
"hard_testicle": false,
"high_riding_testis": false,
"nausea_or_vomiting": false,
"testicular_swelling": false
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"absent_cremasteric_reflex": {
"description": "Absent cremasteric reflex as assigned by the caller (Barbosa 2013). true scores 1. magent does not examine the patient.",
"type": "boolean"
},
"hard_testicle": {
"description": "Hard testicle as assigned by the caller (Barbosa 2013). true scores 2. magent does not examine the patient.",
"type": "boolean"
},
"high_riding_testis": {
"description": "High-riding testis as assigned by the caller (Barbosa 2013). true scores 1. magent does not examine the patient.",
"type": "boolean"
},
"nausea_or_vomiting": {
"description": "Nausea or vomiting as assigned by the caller (Barbosa 2013). true scores 1. magent does not take a symptom history.",
"type": "boolean"
},
"testicular_swelling": {
"description": "Testicular swelling as assigned by the caller (Barbosa 2013). true scores 2. magent does not examine the patient.",
"type": "boolean"
}
},
"required": [
"testicular_swelling",
"hard_testicle",
"absent_cremasteric_reflex",
"nausea_or_vomiting",
"high_riding_testis"
],
"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"
}