Pushbuild

NOAA Space Weather API - Kp Index, Solar Flares, Alerts

Official NOAA SWPC space weather data: planetary Kp index (observed, 1-minute and 3-day forecast), alerts, warnings and watches, NOAA R/S/G storm scales, GOES solar flares and X-ray flux, real-time solar wind and magnetic field, flare probabilities and the solar cycle.

$0.08 per 1,000 rows

Get an API key

What it returns

Official space weather data from the NOAA Space Weather Prediction Center (SWPC), the US government's forecast office for solar and geomagnetic activity. Public data, updated every minute to every few hours depending on the product.

Common uses

Aurora alerts and photography apps, HF radio and GNSS/GPS operations, satellite and drone operators, power grid monitoring, aviation, research and dashboards. Pay per row returned.

Request

POST https://api.pushbuild.com/noaa-space-weather/run with a JSON body. Send your key in the X-API-Key header.

FieldTypeDescription
datasetslist of stringsOne or more datasets; every row carries a dataset field. Default: ["kpForecast"].
sincestringOnly rows at or after this UTC date or time, e.g. 2026-10-20 or 2026-10-20T12:00 (months for the solar cycle: 2020-01).
alertKindslist of stringsAlerts only: keep these kinds. Empty for all.
spanstring: 6h, 1d, 3d, 7dX-ray flux only: how far back. Default: "6h".
maxItemsintegerMaximum items to return (1-500). Default: 100.

Example

curl -X POST https://api.pushbuild.com/noaa-space-weather/run \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"maxItems": 20}'

Response

{"count": 20, "truncated": false, "seconds": 1.4, "items": [ { ... } ]}

Each call returns up to 500 items. Records that fail validation or are not found are flagged in the items and not charged.

Pricing

Pay only for results returned: $0.08 per 1,000 rows. No charge for errors or empty searches.

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Questions about this API, higher volumes, or a data source you need that we don't cover yet.

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