Roundhouse

us-forecast

Official US weather forecast from the National Weather Service (NOAA): multi-day and hourly periods for any US coordinates or street address. Temperature in Celsius and Fahrenheit, precipitation probability, wind speed and direction, and plain-language conditions. Authoritative government public-domain data, commercial use OK.

DataLiveeip155:8453Exactvia cdp
https://api.agentstools.dev/forecast
WeatherForecastUsNwsNoaa
Calls · 30d
2↓ 30%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 30 snapshots so far.
$42.94
Verified settled volume
3,786 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0030
Listed price
As published in the catalog. Always read the live 402 before paying.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
2
Unique payers · 30d
Last called 2026-09-04 14:34Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
      "amount": "3000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://api.agentstools.dev/forecast",
    "tags": [
      "weather",
      "forecast",
      "us",
      "nws",
      "noaa",
      "temperature",
      "precipitation",
      "rain",
      "wind",
      "hourly",
      "daily",
      "meteorology",
      "national-weather-service"
    ],
    "mimeType": "application/json",
    "description": "Official US weather forecast from the National Weather Service (NOAA): multi-day and hourly periods for any US coordinates or street address. Temperature in Celsius and Fahrenheit, precipitation probability, wind speed and direction, and plain-language conditions. Authoritative government public-domain data, commercial use OK.",
    "serviceName": "us-forecast"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "lat": 39.74,
            "lon": -104.98,
            "days": 3,
            "hourly": false
          }
        },
        "output": {
          "type": "json",
          "example": {
            "type": "daily",
            "count": 6,
            "periods": [
              {
                "name": "Today",
                "is_daytime": true,
                "wind_speed": "7 to 13 mph",
                "temperature_c": 31.1,
                "temperature_f": 88,
                "short_forecast": "Mostly Sunny",
                "wind_direction": "NW",
                "precip_probability_pct": 20
              }
            ],
            "coverage": "US",
            "location": {
              "lat": 39.74,
              "lon": -104.98,
              "city": "Denver",
              "state": "CO"
            }
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "required": [],
                "properties": {
                  "lat": {
                    "type": "number",
                    "description": "Latitude [-90,90] (with lon)"
                  },
                  "lon": {
                    "type": "number",
                    "description": "Longitude [-180,180] (with lat)"
                  },
                  "days": {
                    "type": "integer",
                    "maximum": 7,
                    "minimum": 1,
                    "description": "Limit number of days returned"
                  },
                  "hourly": {
                    "type": "boolean",
                    "description": "Hourly instead of day/night periods"
                  },
                  "address": {
                    "type": "string",
                    "description": "US address (alternative to lat/lon)"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.003USDC≈ $0.003 USD
on Base · exact scheme

Pay 0.003 USDC on Base to 0xF22e…Ff493. The signed payment is good for 5 minutes.

Paid to
0xF22e…Ff493
USD Coin contract
0x8335…02913
Payment window
5 minutes
As published
3000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
    "amount": "3000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "lat": 39.74,
          "lon": -104.98,
          "days": 3,
          "hourly": false
        }
      },
      "output": {
        "type": "json",
        "example": {
          "type": "daily",
          "count": 6,
          "periods": [
            {
              "name": "Today",
              "is_daytime": true,
              "wind_speed": "7 to 13 mph",
              "temperature_c": 31.1,
              "temperature_f": 88,
              "short_forecast": "Mostly Sunny",
              "wind_direction": "NW",
              "precip_probability_pct": 20
            }
          ],
          "coverage": "US",
          "location": {
            "lat": 39.74,
            "lon": -104.98,
            "city": "Denver",
            "state": "CO"
          }
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "required": [],
              "properties": {
                "lat": {
                  "type": "number",
                  "description": "Latitude [-90,90] (with lon)"
                },
                "lon": {
                  "type": "number",
                  "description": "Longitude [-180,180] (with lat)"
                },
                "days": {
                  "type": "integer",
                  "maximum": 7,
                  "minimum": 1,
                  "description": "Limit number of days returned"
                },
                "hourly": {
                  "type": "boolean",
                  "description": "Hourly instead of day/night periods"
                },
                "address": {
                  "type": "string",
                  "description": "US address (alternative to lat/lon)"
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-09-04 14:34Z
Last indexed by Roundhouse
2026-09-24 10:50Z
Last enriched (probe, favicon, geo)
2026-09-13 04:45Z
x402 version
2
Max timeout
300s
Liveness probe
HTTP 402
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 30 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service us-forecast and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=us-forecast'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://api.agentstools.dev/forecast, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.