Spend-based carbon (Scope 3)
Spend-based carbon (Scope 3): convert a transaction amount + industry code (MCC/NAICS/BEA/ISIC/SIC/NACE) into verified CO2e. 200+ countries, licensed emission factors with full provenance.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
274 msmedian answer time
$0.003listed price per call
$0.003price 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.myco2suite.io/api/v1/transaction
| Category | Code and developer |
|---|---|
| Provider host | api.myco2suite.io |
| Networks | eip155:8453 |
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.003 | 274 ms |
Example input (from the provider)
{
"body": {
"country": "US",
"currency": "USD",
"mcc": "5411",
"spend_amount": 100
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"bea_code": {
"description": "US BEA industry code (alt to mcc)",
"type": "string"
},
"country": {
"description": "ISO 3166-1 alpha-2, e.g. US",
"type": "string"
},
"currency": {
"description": "ISO 4217 currency, e.g. USD",
"type": "string"
},
"mcc": {
"description": "Merchant Category Code (4 digits)",
"type": "string"
},
"naics": {
"description": "NAICS code (alt to mcc)",
"type": "string"
},
"spend_amount": {
"description": "Amount spent (>0)",
"type": "number"
}
},
"required": [
"spend_amount",
"currency",
"country"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}