{
  "opencollection": "1.0.0",
  "info": {
    "name": "WattTime Account Emissions Data API",
    "version": "3.0"
  },
  "items": [
    {
      "info": {
        "name": "Emissions Data",
        "type": "folder"
      },
      "items": [
        {
          "info": {
            "name": "WattTime Get Historical Emissions Data",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://api.watttime.org/v3/data",
            "params": [
              {
                "name": "region",
                "value": "CAISO_NORTH",
                "type": "query",
                "description": "Grid region identifier (e.g., CAISO_NORTH). Obtain from /region-from-loc or /my-access."
              },
              {
                "name": "signal_type",
                "value": "co2_moer",
                "type": "query",
                "description": "The emissions signal type to retrieve. Valid values: co2_moer, co2_aoer, health_damage."
              },
              {
                "name": "start",
                "value": "2026-04-01T00:00:00Z",
                "type": "query",
                "description": "Start of the time window in ISO 8601 format (UTC). Maximum window is 32 days."
              },
              {
                "name": "end",
                "value": "2026-04-02T00:00:00Z",
                "type": "query",
                "description": "End of the time window in ISO 8601 format (UTC)."
              },
              {
                "name": "model",
                "value": "2026-03-01",
                "type": "query",
                "description": "Model version date to use (e.g., 2026-03-01). Defaults to the latest available model for the region."
              }
            ],
            "auth": {
              "type": "bearer",
              "token": "{{bearerToken}}"
            }
          },
          "docs": "Retrieve historical emissions data for a specified grid region and signal type within a time window. The maximum query window is 32 days. For longer historical datasets, use the /historical endpoint to download CSV files. Available to ANALYST and PRO subscribers; preview available for CAISO_NORTH."
        },
        {
          "info": {
            "name": "WattTime Download Historical Emissions CSV",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://api.watttime.org/v3/historical",
            "params": [
              {
                "name": "region",
                "value": "CAISO_NORTH",
                "type": "query",
                "description": "Grid region identifier (e.g., CAISO_NORTH)."
              },
              {
                "name": "signal_type",
                "value": "co2_moer",
                "type": "query",
                "description": "The emissions signal type."
              },
              {
                "name": "start",
                "value": "2023-01-01",
                "type": "query",
                "description": "Start date for historical data download (YYYY-MM-DD)."
              },
              {
                "name": "end",
                "value": "2024-01-01",
                "type": "query",
                "description": "End date for historical data download (YYYY-MM-DD)."
              },
              {
                "name": "model",
                "value": "2026-03-01",
                "type": "query",
                "description": "Model version date."
              }
            ],
            "auth": {
              "type": "bearer",
              "token": "{{bearerToken}}"
            }
          },
          "docs": "Download multi-year historical emissions data as compressed CSV files. Returns a URL to download the CSV file for the specified grid region, signal type, and date range. Available to ANALYST and PRO subscribers."
        }
      ]
    }
  ],
  "bundled": true
}