Basal metabolic rate (Mifflin-St Jeor), daily calories by activity level, and a
Basal metabolic rate (Mifflin-St Jeor), daily calories by activity level, and a calorie target for a weekly weight change.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
1546 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://fitness-calc.x402tookit.com/bmr-tdee
| Category | Everything else |
|---|---|
| Provider host | fitness-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 | $0.02 | 1546 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"activity": "moderate",
"age": 30,
"height": 180,
"sex": "male",
"weeklyChange": -0.5,
"weight": 80
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"activity": {
"description": "sedentary, light, moderate (default), active or very-active",
"type": "string"
},
"age": {
"description": "Age in years, 15 to 100",
"type": "number"
},
"height": {
"description": "Height in cm (metric)",
"type": "number"
},
"heightFt": {
"description": "Feet (imperial)",
"type": "number"
},
"heightIn": {
"description": "Inches (imperial; total inches if heightFt is omitted)",
"type": "number"
},
"sex": {
"description": "male or female",
"type": "string"
},
"units": {
"description": "metric (default: kg and cm) or imperial (lb, feet and inches)",
"type": "string"
},
"weeklyChange": {
"description": "Desired weight change in kg per week (negative to lose), -1 to 1; default 0",
"type": "number"
},
"weight": {
"description": "Weight in kg, or pounds if units=imperial",
"type": "number"
}
},
"required": [
"weight",
"sex",
"age"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"activity": {
"type": [
"null",
"string"
]
},
"activityFactor": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"belowCommonMinimum": {
"type": [
"boolean",
"null"
]
},
"bmrKcal": {
"type": [
"null",
"number"
]
},
"commonMinimumKcal": {
"type": [
"null",
"number"
]
},
"dailyDeficitOrSurplusKcal": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"equation": {
"type": [
"null",
"string"
]
},
"inputs": {
"properties": {
"age": {
"type": [
"null",
"number"
]
},
"heightCm": {
"type": [
"null",
"number"
]
},
"sex": {
"type": [
"null",
"string"
]
},
"weightKg": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"maintenanceByActivity": {
"properties": {
"active": {
"type": [
"null",
"number"
]
},
"light": {
"type": [
"null",
"number"
]
},
"moderate": {
"type": [
"null",
"number"
]
},
"sedentary": {
"type": [
"null",
"number"
]
},
"very-active": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"maintenanceKcal": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"targetKcal": {
"type": [
"null",
"n