GET /v1/forecast/detroit

dynamic ($0.01 for hours ≤ 48, $0.03 beyond)realtimetier: datacache 900sEngine B — Weather Intelligence

Hourly weather forecast for Detroit: temperature, precipitation probability, and wind, up to 168 hours out. NWS-derived series, bias-blended with our calibrated station model where covered — every response labels the method that produced it. Same shape as /v1/forecast/point with the Detroit coordinates built in.

Pricing: $0.01 for hours ≤ 48, $0.03 beyond

Parameters

NameInTypeRequiredNotes
hoursqueryintegerno (default: 48)
unitsquerystringno (default: "imperial") — one of "metric", "imperial"

Example

curl "https://x402-factory.com/v1/forecast/detroit?hours=24"

Central Park, next 24h — $0.01.

Example response

{
  "data": {
    "hourly": [
      {
        "t": "2026-07-18T12:00:00.000Z",
        "temp": 81.3,
        "feels_like": 82.8,
        "precip_prob": 0.11,
        "precip_amount": 0,
        "wind": 4.7,
        "gust": 8.6,
        "humidity_pct": 64,
        "cloud_pct": 24
      },
      {
        "t": "2026-07-18T13:00:00.000Z",
        "temp": 81.1,
        "feels_like": 81.1,
        "precip_prob": 0.11,
        "precip_amount": 0,
        "wind": 4.7,
        "gust": 10.4,
        "humidity_pct": 51,
        "cloud_pct": 31
      },
      {
        "t": "2026-07-18T14:00:00.000Z",
        "temp": 78.8,
        "feels_like": 78.8,
        "precip_prob": 0.11,
        "precip_amount": 0,
        "wind": 4.8,
        "gust": 9.2,
        "humidity_pct": 55,
        "cloud_pct": 16
      },
      {
        "t": "2026-07-18T15:00:00.000Z",
        "temp": 74.8,
        "feels_like": 74.8,
        "precip_prob": 0.1,
        "precip_amount": 0,
        "wind": 5,
        "gust": 10.9,
        "humidity_pct": 52,
        "cloud_pct": 31
      },
      {
        "t": "2026-07-18T16:00:00.000Z",
        "temp": 72.7,
        "feels_like": 72.7,
        "precip_prob": 0.1,
        "precip_amount": 0,
        "wind": 5.4,
        "gust": 9.5,
        "humidity_pct": 57,
        "cloud_pct": 13
      },
      {
        "t": "2026-07-18T17:00:00.000Z",
        "temp": 71.8,
        "feels_like": 71.8,
        "precip_prob": 0.11,
        "precip_amount": 0,
        "wind": 5.8,
        "gust": 10.5,
        "humidity_pct": 62,
        "cloud_pct": 18
      },
      {
        "t": "2026-07-18T18:00:00.000Z",
        "temp": 71.4,
        "feels_like": 71.4,
        "precip_prob": 0.1,
        "precip_amount": 0,
        "wind": 10.8,
        "gust": 17.5,
        "humidity_pct": 49,
        "cloud_pct": 27
      },
      {
        "t": "2026-07-18T19:00:00.000Z",
        "temp": 70.5,
        "feels_like": 70.5,
        "precip_prob": 0.11,
        "precip_amount": 0,
        "wind": 11.3,
        "gust": 19.5,
        "humidity_pct": 58,
        "cloud_pct": 33
      },
      {
        "t": "2026-07-18T20:00:00.000Z",
        "temp": 69.6,
        "feels_like": 69.6,
        "precip_prob": 0.11,
        "precip_amount": 0,
        "wind": 11.8,
        "gust": 20.2,
        "humidity_pct": 66,
        "cloud_pct": 11
      },
      {
        "t": "2026-07-18T21:00:00.000Z",
        "temp": 67.5,
        "feels_like": 67.5,
        "precip_prob": 0.11,
        "precip_amount": 0,
        "wind": 12.2,
        "gust": 18.8,
        "humidity_pct": 58,
        "cloud_pct": 13
      },
      {
        "t": "2026-07-18T22:00:00.000Z",
        "temp": 68.7,
        "feels_like": 68.7,
        "precip_prob": 0.12,
        "precip_amount": 0,
        "wind": 12.6,
        "gust": 19.8,
        "humidity_pct": 65,
        "cloud_pct": 36
      },
      {
        "t": "2026-07-18T23:00:00.000Z",
        "temp": 71.1,
        "feels_like": 71.1,
        "precip_prob": 0.12,
        "precip_amount": 0,
        "wind": 12.8,
        "gust": 21.1,
        "humidity_pct": 62,
        "cloud_pct": 27
      },
      {
        "t": "2026-07-19T00:00:00.000Z",
        "temp": 72.3,
        "feels_like": 72.3,
        "precip_prob": 0.15,
        "precip_amount": 0,
        "wind": 13.5,
        "gust": 20.9,
        "humidity_pct": 49,
        "cloud_pct": 26
      },
      {
        "t": "2026-07-19T01:00:00.000Z",
        "temp": 73.8,
        "feels_like": 73.8,
        "precip_prob": 0.15,
        "precip_amount": 0,
        "wind": 13.5,
        "gust": 20.6,
        "humidity_pct": 57,
        "cloud_pct": 37
      },
      {
        "t": "2026-07-19T02:00:00.000Z",
        "temp": 77.7,
        "feels_like": 77.7,
        "precip_prob": 0.16,
        "precip_amount": 0,
        "wind": 13.4,
        "gust": 20.8,
        "humidity_pct": 54,
        "cloud_pct": 31
      },
      {
        "t": "2026-07-19T03:00:00.000Z",
        "temp": 77.9,
        "feels_like": 77.9,
        "precip_prob": 0.16,
        "precip_amount": 0,
        "wind": 13.2,
        "gust": 22.1,
        "humidity_pct": 61,
        "cloud_pct": 35
      },
      {
        "t": "2026-07-19T04:00:00.000Z",
        "temp": 82.2,
        "feels_like": 82.2,
        "precip_prob": 0.16,
        "precip_amount": 0,
        "wind": 12.8,
        "gust": 21.3,
        "humidity_pct": 51,
        "cloud_pct": 14
      },
      {
        "t": "2026-07-19T05:00:00.000Z",
        "temp": 83.7,
        "feels_like": 84.9,
        "precip_prob": 0.16,
        "precip_amount": 0,
        "wind": 12.4,
        "gust": 19.1,
        "humidity_pct": 63,
        "cloud_pct": 38
      },
      {
        "t": "2026-07-19T06:00:00.000Z",
        "temp": 84.6,
        "feels_like": 84.6,
        "precip_prob": 0.19,
        "precip_amount": 0,
        "wind": 11.5,
        "gust": 18,
        "humidity_pct": 51,
        "cloud_pct": 40
      },
      {
        "t": "2026-07-19T07:00:00.000Z",
        "temp": 86.4,
        "feels_like": 86.4,
        "precip_prob": 0.18,
        "precip_amount": 0,
        "wind": 11,
        "gust": 17.2,
        "humidity_pct": 56,
        "cloud_pct": 18
      },
      {
        "t": "2026-07-19T08:00:00.000Z",
        "temp": 86.5,
        "feels_like": 86.5,
        "precip_prob": 0.18,
        "precip_amount": 0,
        "wind": 10.5,
        "gust": 17.8,
        "humidity_pct": 49,
        "cloud_pct": 23
      },
      {
        "t": "2026-07-19T09:00:00.000Z",
        "temp": 84.7,
        "feels_like": 85.8,
        "precip_prob": 0.17,
        "precip_amount": 0,
        "wind": 10.1,
        "gust": 15.7,
        "humidity_pct": 62,
        "cloud_pct": 24
      },
      {
        "t": "2026-07-19T10:00:00.000Z",
        "temp": 86.7,
        "feels_like": 87.1,
        "precip_prob": 0.16,
        "precip_amount": 0,
        "wind": 9.8,
        "gust": 16.2,
        "humidity_pct": 57,
        "cloud_pct": 28
      },
      {
        "t": "2026-07-19T11:00:00.000Z",
        "temp": 84.6,
        "feels_like": 84.6,
        "precip_prob": 0.16,
        "precip_amount": 0,
        "wind": 9.5,
        "gust": 15.6,
        "humidity_pct": 52,
        "cloud_pct": 33
      }
    ],
    "model_run_at": "2026-07-18T12:00:00.000Z",
    "units": "imperial"
  },
  "meta": {
    "endpoint": "/v1/forecast/detroit",
    "version": "1.0.0",
    "generated_at": "2026-09-13T09:52:16.481Z",
    "freshness": "realtime",
    "sources": [
      "stub-model"
    ],
    "request_id": "req_00000000",
    "docs": "https://x402-factory.com/docs/weather.forecast.detroit",
    "data_mode": "live"
  }
}

Response schema (data payload)

{
  "type": "object",
  "properties": {
    "hourly": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "t": {
            "type": "string"
          },
          "temp": {
            "type": "number"
          },
          "feels_like": {
            "type": "number"
          },
          "precip_prob": {
            "type": "number",
            "minimum": 0,
            "maximum": 1
          },
          "precip_amount": {
            "type": "number"
          },
          "wind": {
            "type": "number"
          },
          "gust": {
            "type": "number"
          },
          "humidity_pct": {
            "type": "number"
          },
          "cloud_pct": {
            "type": "number"
          }
        },
        "required": [
          "t",
          "temp",
          "feels_like",
          "precip_prob",
          "precip_amount",
          "wind",
          "gust",
          "humidity_pct",
          "cloud_pct"
        ],
        "additionalProperties": false
      }
    },
    "model_run_at": {
      "type": "string"
    },
    "units": {
      "type": "string",
      "enum": [
        "metric",
        "imperial"
      ]
    }
  },
  "required": [
    "hourly",
    "model_run_at",
    "units"
  ],
  "additionalProperties": false
}

The platform wraps every payload in an envelope: { "data": …, "meta": { endpoint, version, generated_at, freshness, sources, request_id, docs, data_mode } }.

Payment (x402)

Unpaid requests receive 402 with payment requirements (accepts). Pay dynamic ($0.01 for hours ≤ 48, $0.03 beyond) in USDC on Base per call via an X-PAYMENT header — see docs.x402.org. With PAYMENT_MODE=disabled (local dev) the endpoint is open.

Errors

StatusCodeMeaning
400INVALID_PARAMSInput failed validation; message lists the offending fields.
404NOT_FOUNDNo matching resource; suggestion may point to a sibling endpoint.
410RESOLVEDMarket/event settled; body includes a resolution summary.
503STALE_DATAUpstream feed down; stale data is never silently served beyond 2× cache TTL.
500INTERNALOur bug. The request_id helps us find it.