Current space-weather conditions — normalized NOAA SWPC Kp, solar wind, magnetic field, an
Current space-weather conditions — normalized NOAA SWPC Kp, solar wind, magnetic field, and X-ray flux used for solar-flare monitoring, with observation times and freshness.
5000 (raw units)
price
11
calls / 30d
9
unique payers
2026-09-15
updated
Provider
space-weather.use.x402atlas.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
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]Output schema
{
"bazaar": {
"category": "science",
"info": {
"input": {
"method": "GET",
"type": "http"
},
"output": {
"example": {
"kp": {
"estimated_kp": {
"observed_at": "2026-08-04T15:45:00Z",
"source_field": "estimated_kp",
"unit": "dimensionless",
"value": 1.67
},
"kp_index": 2,
"text": "2M"
},
"magnetic": {
"bt": {
"observed_at": "2026-08-04T15:44:00Z",
"source_field": "bt",
"unit": "nT",
"value": 3.73
},
"bz_gsm": {
"observed_at": "2026-08-04T15:44:00Z",
"source_field": "bz_gsm",
"unit": "nT",
"value": 1.14
},
"overall_quality": 0,
"source": "SOLAR1"
},
"operation": "current-conditions",
"plasma": {
"overall_quality": 0,
"proton_density": {
"observed_at": "2026-08-04T15:44:00Z",
"source_field": "proton_density",
"unit": "particles/cm^3",
"value": 2.7
},
"proton_speed": {
"observed_at": "2026-08-04T15:44:00Z",
"source_field": "proton_speed",
"unit": "km/s",
"value": 442.8
},
"proton_temperature": {
"observed_at": "2026-08-04T15:44:00Z",
"source_field": "proton_temperature",
"unit": "K",
"value": 59877
},
"source": "SOLAR1"
},
"query": {},
"schema_version": "noaa-swpc-normalized-v1",
"source": {
"name": "NOAA Space Weather Prediction Center",
"products": [
"planetary_k_index_1m",
"rtsw_wind_1m",
"rtsw_mag_1m",
"goes_primary_xrays_6_hour"
],
"retrieved_at": "2026-08-04T15:47:00Z"
},
"source_age_seconds": 120,
"stale": false,
"warnings": [],
"xray": {
"energy": "0.1-0.8nm",
"flux": {
"observed_at": "2026-08-04T15:46:00Z",
"source_field": "flux",
"unit": "W/m^2",
"value": 6.902566269673116e-7
},
"satellite": 18
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
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"properties": {
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"type": {
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},
"required": [
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"method"
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"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"_atlas": {
"additionalProperties": false,
"description": "Atlas documentation and related-route metadata added after deployment",
"properties": {
"docs": {
"description": "Documentation URL for this bridge",
"format": "uri",
"maxLength": 512,
"type": "string"
},
"related": {
"description": "Bounded related Atlas routes",
"items": {
"additionalProperties": false,
"description": "One related Atlas route",
"properties": {
"bridge": {
"description": "Related bridge name",
"maxLength": 64,
"type": "string"
},
"docs": {
"description": "Related bridge documentation URL",
"format": "uri",
"maxLength": 512,
"type": "string"
},
"summary": {
"description": "Short capability summary",
"maxLength": 256,
"type": "string"
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"url": {
"description": "Related route URL",
"format": "uri",
"maxLength": 512,
"type": "string"
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"required": [
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"maxItems": 3,
"type": "array"
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},
"required": [
"docs"
],
"type": "object"
},
"kp": {
"additionalProperties": false,
"description": "Required planetary K-index observation controlling route freshness",
"properties": {
"estimated_kp": {
"additionalProperties": false,
"description": "Dimensionless estimated planetary K index",
"properties": {
"observed_at": {
"description": "Official source observation time",
"format": "date-time",
"type": "string"
},
"source_field": {
"description": "Exact NOAA SWPC source field",
"type": "string"
},
"unit": {
"description": "Physical or dimensionless unit",
"type": "string"
},
"value": {
"description": "Normalized numeric observation",
"type": "number"
}
},
"required": [
"value",
"unit",
"observed_at",
"source_field"
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"type": "object"
},
"kp_index": {
"description": "Source integer Kp index when present",
"maximum": 9,
"minimum": 0,
"type": "integer"
},
"text": {
"description": "Source textual Kp representation when present",
"type": "string"
}
},
"required": [
"estimated_kp"
],
"type": "object"
},
"magnetic": {
"additionalProperties": false,
"description": "Fresh interplanetary magnetic observations, or null with a warning",
"properties": {
"bt": {
"additionalProperties": false,
"description": "Total interplanetary magnetic field",
"properties": {
"observed_at": {
"description": "Official source observation time",
"format": "date-time",
"type": "string"
},
"source_field": {
"description": "Exact NOAA SWPC source field",
"type": "string"
},
"unit": {
"description": "Physical or dimensionless unit",
"type": "string"
},
"value": {
"description": "Normalized numeric observation",
"type": "number"
}
},
"required": [
"value",
"unit",
"observed_at",
"source_field"
],
"type": "object"
},
"bz_gsm": {
"additionalProperties": false,
"description": "GSM z component of interplanetary magnetic field",
"properties": {
"observed_at": {
"description": "Official source observation time",
"format": "date-time",
"type": "string"
},
"source_field": {
"description": "Exact NOAA SWPC source field",
"type": "string"
},
"unit": {
"description": "Physical or dimensionless unit",
"type": "string"
},
"value": {
"description": "Normalized numeric observation",
"type": "number"
}
},
"required": [
"value",
"unit",
"observed_at",
"source_field"
],
"type": "object"
},
"overall_quality": {
"description": "Unmodified SWPC quality code",
"type": "integer"
},
"source": {
"description": "SWPC spacecraft/data source",
"type": "string"
}
},
"required": [
"bt",
"bz_gsm",
"source",
"overall_quality"
],
"type": [
"object",
"null"
]
},
"operation": {
"const": "current-conditions",
"description": "Stable route operation",
"type": "string"
},
"plasma": {
"additionalProperties": false,
"description": "Fresh solar-wind plasma observations, or null with a warning",
"properties": {
"overall_quality": {
"description": "Unmodified SWPC quality code",
"type": "integer"
},
"proton_density": {
"additionalProperties": false,
"description": "Solar-wind proton density",
"properties": {
"observed_at": {
"description": "Official source observation time",
"format": "date-time",
"type": "string"
},
"source_field": {
"description": "Exact NOAA SWPC source field",
"type": "string"
},
"unit": {
"description": "Physical or dimensionless unit",
"type": "string"
},
"value": {
"description": "Normalized numeric observation",
"type": "number"
}
},
"required": [
"value",
"unit",
"observed_at",
"source_field"
],
"type": "object"
},
"proton_speed": {
"additionalProperties": false,
"description": "Solar-wind proton speed",
"properties": {
"observed_at": {
"description": "Official source observation time",
"format": "date-time",
"type": "string"
},
"source_field": {
"description": "Exact NOAA SWPC source field",
"type": "string"
},
"unit": {
"description": "Physical or dimensionless unit",
"type": "string"
},
"value": {
"description": "Normalized numeric observation",
"type": "number"
}
},
"required": [
"value",
"unit",
"observed_at",
"source_field"
],
"type": "object"
},
"proton_temperature": {
"additionalProperties": false,
"description": "Solar-wind proton temperature",
"properties": {
"observed_at": {
"description": "Official source observation time",
"format": "date-time",
"type": "string"
},
"source_field": {
"description": "Exact NOAA SWPC source field",
"type": "string"
},
"unit": {
"description": "Physical or dimensionless unit",
"type": "string"
},
"value": {
"description": "Normalized numeric observation",
"type": "number"
}
},
"required": [
"value",
"unit",
"observed_at",
"source_field"
],
"type": "object"
},
"source": {
"description": "SWPC spacecraft/data source",
"type": "string"
}
},
"required": [
"proton_density",
"proton_speed",
"proton_temperature",
"source",
"overall_quality"
],
"type": [
"object",
"null"
]
},
"query": {
"additionalProperties": false,
"description": "Normalized empty query identity",
"properties": {},
"type": "object"
},
"schema_version": {
"const": "noaa-swpc-normalized-v1",
"description": "Pinned NOAA SWPC normalization contract",
"type": "string"
},
"source": {
"additionalProperties": false,
"description": "Official NOAA SWPC provenance for the served normalized snapshot",
"properties": {
"name": {
"description": "Official source organization",
"type": "string"
},
"products": {
"description": "Fixed normalized NOAA SWPC products",
"items": {
"description": "Product identifier",
"type": "string"
},
"type": "array"
},
"retrieved_at": {
"description": "Time the served normalized snapshot was retrieved",
"format": "date-time",
"type": "string"
}
},
"required": [
"name",
"products",
"retrieved_at"
],
"type": "object"
},
"source_age_seconds": {
"description": "Age in whole seconds of the route's controlling freshness timestamp; retrieval time controls alerts and forecast",
"minimum": 0,
"type": "integer"
},
"stale": {
"description": "True only when a validated cached snapshot was used",
"type": "boolean"
},
"warnings": {
"description": "Freshness, missing-component, provenance, and interpretation limitations",
"items": {
"description": "Actionable warning",
"type": "string"
},
"type": "array"
},
"xray": {
"additionalProperties": false,
"description": "Fresh GOES X-ray observation, or null with a warning",
"properties": {
"energy": {
"const": "0.1-0.8nm",
"description": "Selected GOES energy band",
"type": "string"
},
"flux": {
"additionalProperties": false,
"description": "GOES 0.1–0.8 nm X-ray flux",
"properties": {
"observed_at": {
"description": "Official source observation time",
"format": "date-time",
"type": "string"
},
"source_field": {
"description": "Exact NOAA SWPC source field",
"type": "string"
},
"unit": {
"description": "Physical or dimensionless unit",
"type": "string"
},
"value": {
"description": "Normalized numeric observation",
"type": "number"
}
},
"required": [
"value",
"unit",
"observed_at",
"source_field"
],
"type": "object"
},
"satellite": {
"description": "GOES satellite number",
"minimum": 1,
"type": "integer"
}
},
"required": [
"flux",
"energy",
"satellite"
],
"type": [
"object",
"null"
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}
},
"required": [
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"schema_version",
"query",
"kp",
"plasma",
"magnetic",
"xray",
"source",
"stale",
"source_age_seconds",
"warnings"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"current-space-weather",
"space-weather",
"noaa-swpc",
"kp-index",
"solar-flare"
]
}
}Use it
curl
curl "https://space-weather.use.x402atlas.com/now" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://space-weather.use.x402atlas.com/now");
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://space-weather.use.x402atlas.com/now")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/1216.json, and this resource appears in /discovery/resources and /discovery/search.