Caffeine remaining after hours, and the time until it drops below a threshold, f
Caffeine remaining after hours, and the time until it drops below a threshold, from a half-life you can set (default 5 hours).
Answeringour last check, 2026-10-21
1 of 1checks answered this week
288 msmedian answer time
$0.02listed price per call
$0.02price 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
GET https://focus-sleep-calc.x402tookit.com/caffeine-decay
| Category | Everything else |
|---|---|
| Provider host | focus-sleep-calc.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.02 | 288 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"bedtime": "10:00 PM",
"doseMg": 200,
"doseTime": "2:00 PM",
"halfLifeHours": 5,
"hoursElapsed": 10,
"thresholdMg": 25
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"bedtime": {
"description": "Bedtime clock time; with doseTime gives the amount left at bedtime",
"type": "string"
},
"doseMg": {
"description": "Caffeine taken, in milligrams (1 to 2000)",
"type": "number"
},
"doseTime": {
"description": "Clock time of the dose, like 2:00 PM; adds clock times to the answer",
"type": "string"
},
"halfLifeHours": {
"description": "Half-life in hours, 0.5 to 24 (default 5; varies a lot between people)",
"type": "number"
},
"hoursElapsed": {
"description": "Hours since the dose, for the remaining amount (default 0)",
"type": "number"
},
"thresholdMg": {
"description": "Level to fall below, in mg (default 25)",
"type": "number"
}
},
"required": [
"doseMg"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"bedtimeClock": {
"type": [
"null",
"string"
]
},
"belowThresholdAt": {
"type": [
"null",
"string"
]
},
"belowThresholdDayOffset": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"doseMg": {
"type": [
"null",
"number"
]
},
"doseTimeClock": {
"type": [
"null",
"string"
]
},
"halfLifeHours": {
"type": [
"null",
"number"
]
},
"halfLifeTable": {
"items": {
"properties": {
"halfLives": {
"type": [
"null",
"number"
]
},
"hours": {
"type": [
"null",
"number"
]
},
"remainingMg": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"hoursElapsed": {
"type": [
"null",
"number"
]
},
"hoursFromDoseToBedtime": {
"type": [
"null",
"number"
]
},
"hoursUntilBelowThreshold": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"percentRemaining": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"remainingAtBedtimeMg": {
"type": [
"null",
"number"
]
},
"remainingMg": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"thresholdMg": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}