Api Endpoint

creator.halowerk.com

Sorts caller-supplied placement opportunities by end time and solves the weighted non-overlapping interval problem exactly with dynamic programming. It does not buy inventory, predict conversion, enforce platform policy, model audience harm or guarantee campaign performance.

Open interactive test console

Offering

Provider: creator.halowerk.com
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Business And Commerce
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://creator.halowerk.com/v1/ad-placement-opt
MIME type: application/json
First seen: 2026-10-16T01:54:06.400Z
Last seen: 2026-11-02T18:34:52.934Z
Tags: iot, advertising, Scheduling

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.004 USDC
Atomic price: 4000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

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

Observed health

Status: Healthy
Latest latency: 8997 ms
Average latency: 2579 ms
HTTP status: 204
Last checked: 2026-11-02T01:41:38.201Z
Reachability: 100% over 11 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object",
      "required": [
        "placements"
      ],
      "additionalProperties": false,
      "properties": {
        "placements": {
          "type": "array",
          "minItems": 1,
          "maxItems": 10000,
          "items": {
            "type": "object",
            "required": [
              "id",
              "start",
              "end",
              "value"
            ],
            "additionalProperties": false,
            "properties": {
              "id": {
                "type": "string",
                "minLength": 1,
                "maxLength": 128
              },
              "start": {
                "type": "number",
                "minimum": -1000000000000,
                "maximum": 1000000000000
              },
              "end": {
                "type": "number",
                "minimum": -1000000000000,
                "maximum": 1000000000000
              },
              "value": {
                "type": "number",
                "minimum": 0,
                "maximum": 1000000000000
              }
            }
          }
        }
      }
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": true,
  "properties": {
    "input": {
      "additionalProperties": true,
      "properties": {
        "bodyType": {
          "const": "json"
        },
        "exampleUrl": {
          "format": "uri",
          "type": "string"
        },
        "method": {
          "const": "POST"
        },
        "schemaUrl": {
          "format": "uri",
          "type": "string"
        },
        "type": {
          "const": "http"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType"
      ],
      "type": "object"
    },
    "output": {
      "additionalProperties": true,
      "properties": {
        "exampleUrl": {
          "format": "uri",
          "type": "string"
        },
        "schemaUrl": {
          "format": "uri",
          "type": "string"
        },
        "type": {
          "const": "json"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}