Space Weather Intelligence

Space-weather forecast — normalized one-to-three-day NOAA SWPC geomagnetic Kp-index periods labeled observed, estimated, or predicted.

Resource: space-weather.use.x402atlas.com/forecast

Network: eip155:8453, eip155:137, eip155:42161 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2

Payment methods: — · Last validation: 2026-09-13 23:01:28.914+00

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            },
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            "additionalProperties": false
          },
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            "required": [
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            "properties": {
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              },
              "products": {
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                "items": {
                  "type": "string",
                  "description": "Product identifier"
                },
                "description": "Fixed normalized NOAA SWPC products"
              },
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                "format": "date-time",
                "description": "Time the served normalized snapshot was retrieved"
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                  "type": "number",
                  "maximum": 9,
                  "minimum": 0,
                  "description": "Forecast planetary K index"
                },
                "kind": {
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                    "observed",
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                  "description": "Exact normalized source observed classification"
                },
                "valid_at": {
                  "type": "string",
                  "format": "date-time",
                  "description": "Official period valid time"
                },
                "noaa_scale": {
                  "type": [
                    "string",
                    "null"
                  ],
                  "description": "Official NOAA scale value when supplied"
                }
              },
              "additionalProperties": false
            },
            "description": "Unique periods in ascending valid-time order; missing periods are not filled"
          },
          "warnings": {
            "type": "array",
            "items": {
              "type": "string",
              "description": "Actionable warning"
            },
            "description": "Freshness, missing-component, provenance, and interpretation limitations"
          },
          "issued_at": {
            "type": [
              "string",
              "null"
            ],
            "format": "date-time",
            "description": "Always null because this source publishes no issuance timestamp"
          },
          "operation": {
            "type": "string",
            "const": "kp-forecast",
            "description": "Stable route operation"
          },
          "schema_version": {
            "type": "string",
            "const": "noaa-swpc-normalized-v1",
            "description": "Pinned NOAA SWPC normalization contract"
          },
          "source_age_seconds": {
            "type": "integer",
            "minimum": 0,
            "description": "Age in whole seconds of the route's controlling freshness timestamp; retrieval time controls alerts and forecast"
          }
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Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.