{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.nasa-power-api",
  "version": "1.0.0",
  "title": "NASA POWER API boundary",
  "summary": "Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for NASA POWER API.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.nasa.power-api.access",
        "statement": "NASA POWER publishes free global solar and meteorological Analysis Ready Data through daily, hourly, monthly, annual, climatology, and system API families.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nasa.power-api"
        ]
      },
      {
        "id": "fact.nasa.power-api.authentication",
        "statement": "Documented public reads do not require a user credential, but access does not grant authority to change NASA products, service configuration, or upstream observations.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nasa.power-api"
        ]
      },
      {
        "id": "fact.nasa.power-api.request",
        "statement": "Clients must bind temporal service, community, parameters, coordinates, date range, time standard, and format and avoid concurrent or finer-resolution requests that burden the shared service.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nasa.power-api"
        ]
      },
      {
        "id": "fact.nasa.power-api.boundary",
        "statement": "Meteorological products can be replaced by improved climate-quality data two to three months after real time and retain spatial, model, and parameter limits; they do not prove site-level conditions or safety.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.nasa.power-api"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/nasa-power-api.json",
  "contentHash": "sha256:c103117ac586cefdf8369a427f67e05b2238d777b0fe3554e1d62bb93a662272",
  "owner": {
    "id": "platos-kallipolis",
    "name": "Plato's Kallipolis",
    "type": "organization",
    "accountabilityUrl": "https://platoskallipolis.com/about"
  },
  "access": {
    "mode": "public",
    "url": "https://platoskallipolis.com/resources/public-data-apis/nasa-power-api.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.nasa.power-api",
        "url": "https://power.larc.nasa.gov/docs/services/api/",
        "title": "NASA POWER API documentation",
        "publisher": "NASA Langley Research Center",
        "observedAt": "2026-08-28T05:32:38Z"
      }
    ]
  },
  "observedAt": "2026-08-28T05:32:38Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-04T05:32:38Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://www.nasa.gov/nasa-web-privacy-policy-and-important-notices/",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.nasa.power-api",
      "type": "source-claim",
      "url": "https://power.larc.nasa.gov/docs/services/api/",
      "observedAt": "2026-08-28T05:32:38Z"
    }
  ]
}