mirrored listing x402 eip155:8453

Multiplies each mutually exclusive supplied scenario probability by its supplied damage fr

Multiplies each mutually exclusive supplied scenario probability by its supplied damage fraction and asset replacement value, then sums expected loss. It does not obtain hazard maps, model hydrology, validate damage curves, price insurance or predict a particular event.

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4000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-01
updated

Provider

prop.halowerk.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "4000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "asset_replacement_value": 2800000,
          "scenarios": [
            {
              "annual_probability": 0.1,
              "inundation_depth_m": 0.2,
              "scenario_id": "frequent-shallow",
              "supplied_damage_fraction": 0.03
            },
            {
              "annual_probability": 0.01,
              "inundation_depth_m": 1.4,
              "scenario_id": "rare-deep",
              "supplied_damage_fraction": 0.38
            }
          ]
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "asset_replacement_value": {
                  "description": "Value in a caller-selected currency.",
                  "maximum": 1000000000000000,
                  "minimum": 0,
                  "type": "number"
                },
                "scenarios": {
                  "items": {
                    "additionalProperties": false,
                    "properties": {
                      "annual_probability": {
                        "maximum": 1,
                        "minimum": 0,
                        "type": "number"
                      },
                      "inundation_depth_m": {
                        "maximum": 1000,
                        "minimum": 0,
                        "type": "number"
                      },
                      "scenario_id": {
                        "maxLength": 128,
                        "minLength": 1,
                        "type": "string"
                      },
                      "supplied_damage_fraction": {
                        "maximum": 1,
                        "minimum": 0,
                        "type": "number"
                      }
                    },
                    "required": [
                      "scenario_id",
                      "annual_probability",
                      "inundation_depth_m",
                      "supplied_damage_fraction"
                    ],
                    "type": "object"
                  },
                  "maxItems": 10000,
                  "minItems": 1,
                  "type": "array"
                }
              },
              "required": [
                "asset_replacement_value",
                "scenarios"
              ],
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST",
                "PUT",
                "PATCH"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://prop.halowerk.com/v1/flood-risk-asset"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://prop.halowerk.com/v1/flood-risk-asset");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://prop.halowerk.com/v1/flood-risk-asset")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/15281.json, and this resource appears in /discovery/resources and /discovery/search.