Tool detail

emission-factor

Selects and validates one caller-supplied emissions factor, from a provided list, matching an activity and region.

Categories: Weather environment

Use when

validate which of several candidate emission factors matches an activity and region

Not for

not a proprietary emissions-factor database — caller must supply candidate factors and source

Inputs

POST JSON body: { activity, region, factors: [{activity,region,factor,unit,scope}], source: {url,published_at,title} } (all required).

Admitted input schema

{
  "type": "object",
  "properties": {
    "activity": {
      "type": "string",
      "minLength": 1,
      "maxLength": 512
    },
    "factors": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "activity": {
            "type": "string",
            "minLength": 1,
            "maxLength": 512
          },
          "factor": {
            "type": "number",
            "minimum": 0,
            "maximum": 1000000000000
          },
          "region": {
            "type": "string",
            "minLength": 1,
            "maxLength": 512
          },
          "scope": {
            "type": "string",
            "minLength": 1,
            "maxLength": 512
          },
          "unit": {
            "type": "string",
            "minLength": 1,
            "maxLength": 512
          }
        },
        "required": [
          "activity",
          "region",
          "factor",
          "unit",
          "scope"
        ],
        "additionalProperties": false
      },
      "minItems": 0,
      "maxItems": 100
    },
    "region": {
      "type": "string",
      "minLength": 1,
      "maxLength": 512
    },
    "source": {
      "type": "object",
      "properties": {
        "published_at": {
          "type": "string",
          "minLength": 0,
          "maxLength": 4096,
          "format": "date-time"
        },
        "title": {
          "type": "string",
          "minLength": 3,
          "maxLength": 300
        },
        "url": {
          "type": "string",
          "minLength": 0,
          "maxLength": 4096,
          "format": "uri"
        }
      },
      "required": [
        "url",
        "published_at",
        "title"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "activity",
    "region",
    "factors",
    "source"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://klima.halowerk.com/v1/emission-factor

Payment

Protocol: x402
Listed price: 0.003 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://klima.halowerk.com/v1/emission-factor
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z