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GET
/
api
/
v1
/
custom_emission_factors
/
{id}
Get Custom Emission Factor
const options = {
  method: 'GET',
  headers: {
    'x-api-key': '<x-api-key>',
    'x-organization-id': '<x-organization-id>',
    'x-user-id': '<x-user-id>'
  }
};

fetch('https://api.dcycle.io/api/v1/custom_emission_factors/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

​
Get Custom Emission Factor

Retrieve complete details of a specific custom emission factor by its ID, including all emission values and associated unit information.

​
Request

​
Headers

​
x-api-key
string
required
Your API key for authenticationExample: sk_live_1234567890abcdef
​
x-organization-id
string
required
Your organization UUIDExample: ff4adcc7-8172-45fe-9cf1-e90a6de53aa9
​
x-user-id
string
required
Your user UUIDExample: a1b2c3d4-e5f6-7890-abcd-ef1234567890

​
Path Parameters

​
id
string
required
UUID of the Custom Emission FactorExample: "factor-uuid-here"

​
Response

Returns the custom emission factor object with complete details including the unit object. 
{
  "id": "factor-uuid",
  "factor_id": "factor-uuid",
  "ef_name": "Recycled Aluminum - Supplier ABC",
  "unit_id": "kg-unit-uuid",
  "unit": {
    "id": "kg-unit-uuid",
    "name": "kilogram",
    "abbreviation": "kg",
    "type": "mass"
  },
  "factor_uploaded_by": "sustainability@company.com",
  "tag": "advanced",
  "uncertainty_grade": 15.0,
  "factor_start_date": "2024-01-01",
  "factor_end_date": "2024-12-31",
  "additional_docs": "EPD No. ABC-2024-001",
  "emission_factor_values": [
    {
      "gas_type": "CO2",
      "value": 2.15
    },
    {
      "gas_type": "CH4",
      "value": 0.008
    },
    {
      "gas_type": "N2O",
      "value": 0.002
    }
  ],
  "recycled": true,
  "renewable_percentage": null,
  "hazardous": null,
  "low_code": null,
  "rd_code": null
}

​
Example

curl "https://api.dcycle.io/api/v1/custom_emission_factors/factor-uuid" \
  -H "Authorization: Bearer ${DCYCLE_API_KEY}" \
  -H "x-organization-id: ${DCYCLE_ORG_ID}" \
  -H "x-user-id: ${DCYCLE_USER_ID}"

​
Use Cases

​
Audit and Verification

Retrieve factor details for compliance audits: 
factor = requests.get(
    f"https://api.dcycle.io/api/v1/custom_emission_factors/{factor_id}",
    headers=headers
).json()

print(f"Factor: {factor['ef_name']}")
print(f"Source: {factor['additional_docs']}")
print(f"Uploaded by: {factor['factor_uploaded_by']}")
print(f"Valid: {factor['factor_start_date']} to {factor['factor_end_date']}")

​
Display in UI

Show factor details to users: 
const factor = await axios.get(
  `https://api.dcycle.io/api/v1/custom_emission_factors/${factorId}`,
  { headers }
).then(res => res.data);

// Display in UI
document.getElementById('factor-name').textContent = factor.ef_name;
document.getElementById('factor-unit').textContent = factor.unit.name;
document.getElementById('factor-uncertainty').textContent = `${factor.uncertainty_grade}%`;

​
Common Errors

​
404 Not Found

{
  "detail": "Custom emission factor not found",
  "code": "NOT_FOUND"
}
Solution: Verify the factor ID exists using the list endpoint.

Update Factor

Modify factor values

Delete Factor

Remove factor

List Factors

View all factors in group

Overview

Learn about custom factors