Carbon-to-nitrogen ratio of a compost mix by the Cornell formula, or the greens-
Carbon-to-nitrogen ratio of a compost mix by the Cornell formula, or the greens-to-browns amounts that reach a target ratio.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
390 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://garden-calc.x402tookit.com/compost-cn-ratio
| Category | Everything else |
|---|---|
| Provider host | garden-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 | $0.02 | 390 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"ingredients": "grass clippings:10:80; leaves:6:30"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"brown": {
"description": "Balance mode: a carbon-rich ingredient (leaves, bark, paper, sawdust) or any name with brownCn",
"type": "string"
},
"brownCn": {
"description": "C:N of the brown if not in the table, 30 to 1000",
"type": "number"
},
"green": {
"description": "Balance mode: a nitrogen-rich ingredient (grass clippings, food waste, cow manure, horse manure, digested sewage sludge) or any name with greenCn",
"type": "string"
},
"greenCn": {
"description": "C:N of the green if not in the table, 5 to 60",
"type": "number"
},
"ingredients": {
"description": "Mix mode: lines name:mass[:moisturePercent[:cn[:nitrogenPercent]]] separated by semicolons, for example 'grass clippings:10:80; leaves:6:30'. Names in the table need no C:N; moisture defaults to 50",
"type": "string"
},
"targetCn": {
"description": "Balance mode target C:N, 15 to 50 (default 30)",
"type": "number"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"cnRatio": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"ingredients": {
"items": {
"properties": {
"asIsMass": {
"type": [
"null",
"number"
]
},
"carbonPercentDry": {
"type": [
"null",
"number"
]
},
"cn": {
"type": [
"null",
"number"
]
},
"cnSource": {
"type": [
"null",
"string"
]
},
"dryMass": {
"type": [
"null",
"number"
]
},
"ingredient": {
"type": [
"null",
"string"
]
},
"moisturePercent": {
"type": [
"null",
"number"
]
},
"nitrogenPercentDry": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"ratioText": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"targetRange": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}