{
  "@context": {
    "@version": 1.1,
    "schema": "https://schema.org/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "dcterms": "http://purl.org/dc/terms/",
    "qudt": "http://qudt.org/schema/qudt/",
    "time": "http://www.w3.org/2006/time#",
    "awattar": "https://www.awattar.at/vocab#",

    "MarketDataResponse": {
      "@id": "awattar:MarketDataResponse",
      "@type": "@id"
    },
    "MarketPriceEntry": {
      "@id": "awattar:MarketPriceEntry",
      "@type": "@id"
    },
    "object": {
      "@id": "awattar:objectType",
      "@type": "xsd:string"
    },
    "data": {
      "@id": "awattar:data",
      "@container": "@list"
    },
    "start_timestamp": {
      "@id": "awattar:startTimestamp",
      "@type": "xsd:long",
      "rdfs:comment": "Unix epoch milliseconds marking the start of a pricing interval"
    },
    "end_timestamp": {
      "@id": "awattar:endTimestamp",
      "@type": "xsd:long",
      "rdfs:comment": "Unix epoch milliseconds marking the end of a pricing interval"
    },
    "marketprice": {
      "@id": "awattar:marketPrice",
      "@type": "xsd:double",
      "rdfs:comment": "EPEX Spot day-ahead electricity price in EUR/MWh. May be negative."
    },
    "unit": {
      "@id": "qudt:unit",
      "@type": "xsd:string"
    },

    "name": "schema:name",
    "description": "schema:description",
    "url": "schema:url",
    "Provider": "schema:Organization",
    "EnergyMarketData": "schema:Dataset"
  },
  "@graph": [
    {
      "@id": "https://www.awattar.at",
      "@type": "schema:Organization",
      "schema:name": "aWATTar",
      "schema:description": "Austrian and German dynamic electricity tariff provider delivering real-time EPEX Spot market prices via a free public REST API.",
      "schema:url": "https://www.awattar.at",
      "schema:areaServed": [
        {
          "@type": "schema:Country",
          "schema:name": "Austria",
          "schema:identifier": "AT"
        },
        {
          "@type": "schema:Country",
          "schema:name": "Germany",
          "schema:identifier": "DE"
        }
      ]
    },
    {
      "@id": "https://api.awattar.at/v1/marketdata",
      "@type": ["schema:EntryPoint", "awattar:MarketDataEndpoint"],
      "schema:name": "aWATTar Market Data API",
      "schema:description": "RESTful endpoint returning hourly EPEX Spot electricity market prices for Austria and Germany. No authentication required. Fair use: 100 requests/day/client.",
      "schema:url": "https://api.awattar.at/v1/marketdata",
      "schema:httpMethod": "GET",
      "schema:encodingType": "application/json",
      "schema:provider": {
        "@id": "https://www.awattar.at"
      },
      "schema:additionalProperty": [
        {
          "@type": "schema:PropertyValue",
          "schema:name": "dataSource",
          "schema:value": "EPEX Spot"
        },
        {
          "@type": "schema:PropertyValue",
          "schema:name": "updateFrequency",
          "schema:value": "Daily at 14:00 CET"
        },
        {
          "@type": "schema:PropertyValue",
          "schema:name": "authentication",
          "schema:value": "None required"
        },
        {
          "@type": "schema:PropertyValue",
          "schema:name": "rateLimit",
          "schema:value": "100 requests per day per client"
        }
      ]
    },
    {
      "@id": "https://api.awattar.de/v1/marketdata",
      "@type": ["schema:EntryPoint", "awattar:MarketDataEndpoint"],
      "schema:name": "aWATTar Market Data API (Germany)",
      "schema:description": "RESTful endpoint returning hourly EPEX Spot electricity market prices for Germany.",
      "schema:url": "https://api.awattar.de/v1/marketdata",
      "schema:httpMethod": "GET",
      "schema:encodingType": "application/json",
      "schema:provider": {
        "@id": "https://www.awattar.at"
      }
    }
  ]
}