# NOAA Space Weather API

> NOAA Space Weather API on Apizie: 4 endpoints (Planetary K-index, K-index forecast, Alerts, Solar wind plasma) returned as clean JSON through one API key. 4 endpoints are live now. Call it over REST at https://apizie.tech/v1/places:space-weather/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `places:space-weather`
- Category: Places
- Status: live
- Source: https://www.swpc.noaa.gov
- Page: https://apizie.tech/api/places/space-weather
- OpenAPI: https://apizie.tech/api/places/space-weather/openapi.json

NOAA Space Weather Prediction Center: planetary K-index, solar wind and alerts for aurora watchers, radio operators and satellite teams.

## Endpoints

### Planetary K-index
`GET https://apizie.tech/v1/places:space-weather/kp-index`

### K-index forecast
`GET https://apizie.tech/v1/places:space-weather/kp-forecast`

### Alerts
`GET https://apizie.tech/v1/places:space-weather/alerts`

### Solar wind plasma
`GET https://apizie.tech/v1/places:space-weather/solar-wind`

## Example
```
curl "https://apizie.tech/v1/places:space-weather/kp-index" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the NOAA Space Weather API?
Create a free Apizie key, then send GET https://apizie.tech/v1/places:space-weather/kp-index with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the NOAA Space Weather API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

### Can AI agents use the NOAA Space Weather API?
Yes. Add the Apizie MCP server (https://apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key places:space-weather.

### What is the status of the NOAA Space Weather API?
Live: works with just an Apizie key