Scale label nutrition from per 100 g to a serving, with FDA percent daily values
Scale label nutrition from per 100 g to a serving, with FDA percent daily values and a check that the calories match the macros.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
4957 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://food-barcode.x402tookit.com/nutrition-calc
| Category | Everything else |
|---|---|
| Provider host | food-barcode.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 | $0.02 | 4957 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"carbs": 57.5,
"fat": 30.9,
"kcal": 539,
"protein": 6.3,
"sat_fat": 10.6,
"serving_g": 30,
"sodium_mg": 41,
"sugars": 56.3
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"carbs": {
"description": "Carbohydrates g per 100 g",
"type": "number"
},
"fat": {
"description": "Fat g per 100 g",
"type": "number"
},
"fiber": {
"description": "Fibre g per 100 g",
"type": "number"
},
"kcal": {
"description": "Calories per 100 g",
"type": "number"
},
"protein": {
"description": "Protein g per 100 g",
"type": "number"
},
"sat_fat": {
"description": "Saturated fat g per 100 g",
"type": "number"
},
"serving_g": {
"description": "Serving size in grams",
"type": "number"
},
"sodium_mg": {
"description": "Sodium mg per 100 g",
"type": "number"
},
"sugars": {
"description": "Sugars g per 100 g",
"type": "number"
}
},
"required": [
"serving_g"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"consistency": {
"properties": {
"caloriesFromMacrosPer100g": {
"type": [
"null",
"number"
]
},
"labelKcalPer100g": {
"type": [
"null",
"number"
]
},
"withinTolerance": {
"type": [
"boolean",
"null"
]
}
},
"type": [
"null",
"object"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"energyShare": {
"properties": {
"carbsPct": {
"type": [
"null",
"number"
]
},
"fatPct": {
"type": [
"null",
"number"
]
},
"proteinPct": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"perServing": {
"properties": {
"carbsG": {
"type": [
"null",
"number"
]
},
"fatG": {
"type": [
"null",
"number"
]
},
"fiberG": {},
"kcal": {
"type": [
"null",
"number"
]
},
"proteinG": {
"type": [
"null",
"number"
]
},
"satFatG": {
"type": [
"null",
"number"
]
},
"sodiumMg": {
"type": [
"null",
"number"
]
},
"sugarsG": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"percentDailyValue": {
"properties": {
"carbs": {
"type": [
"null",
"number"
]
},
"fat": {
"type": [
"null",
"number"
]
},
"fiber": {},
"kcal": {
"type": [
"null",
"number"
]
},
"protein": {
"type": [
"null",
"number"
]
},
"satFat": {
"type": [
"null",
"number"
]
},
"sodium": {
"type": [
"null",
"number"
]
}
},