Gas Price Change by Metro Area (State Lookup)

{
  "type": "object",
  "required": [
    "state_code"
  ],
  "properties": {
    "state_code": {
      "type": "string",
      "description": "Two-letter US state code (e.g. TX, CA, NY, FL). All 50 states and DC are supported."
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "state": {
          "type": "string",
          "description": "The full state name for the requested state_code, e.g. 'California', 'District of Columbia'."
        },
        "metro_price_changes": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "metro": {
                "type": "string",
                "description": "The metro area name, e.g. 'Los Angeles-Long Beach'."
              },
              "changes": {
                "type": "object",
                "properties": {
                  "Diesel": {
                    "type": "object",
                    "properties": {
                      "week_ago_change": {
                        "type": "number"
                      },
                      "year_ago_change": {
                        "type": "number"
                      },
                      "month_ago_change": {
                        "type": "number"
                      },
                      "yesterday_change": {
                        "type": "number"
                      }
                    },
                    "description": "Dollar-amount changes for Diesel; observed with the largest swings of any grade, e.g. a 3.1 year-over-year increase in one San Rafael, CA entry.",
                    "additionalProperties": true
                  },
                  "Premium": {
                    "type": "object",
                    "properties": {
                      "week_ago_change": {
                        "type": "number"
                      },
                      "year_ago_change": {
                        "type": "number"
                      },
                      "month_ago_change": {
                        "type": "number"
                      },
                      "yesterday_change": {
                        "type": "number"
                      }
                    },
                    "description": "Dollar-amount changes for Premium fuel, same shape as Regular.",
                    "additionalProperties": true
                  },
                  "Regular": {
                    "type": "object",
                    "properties": {
                      "week_ago_change": {
                        "type": "number",
                        "description": "Change vs. one week ago, in dollars."
                      },
                      "year_ago_change": {
                        "type": "number",
                        "description": "Change vs. one year ago, in dollars."
                      },
                      "month_ago_change": {
                        "type": "number",
                        "description": "Change vs. one month ago, in dollars."
                      },
                      "yesterday_change": {
                        "type": "number",
                        "description": "Change vs. yesterday's price, in dollars."
                      }
                    },
                    "description": "Dollar-amount changes for Regular grade; a negative value means the price fell, a positive value means it rose.",
                    "additionalProperties": true
                  },
                  "Mid-Grade": {
                    "type": "object",
                    "properties": {
                      "week_ago_change": {
                        "type": "number"
                      },
                      "year_ago_change": {
                        "type": "number"
                      },
                      "month_ago_change": {
                        "type": "number"
                      },
                      "yesterday_change": {
                        "type": "number"
                      }
                    },
                    "description": "Dollar-amount changes for Mid-Grade fuel, same shape as Regular.",
                    "additionalProperties": true
                  }
                },
                "description": "Price change in US dollars per gallon, keyed by fuel grade. All four grades (Regular, Mid-Grade, Premium, Diesel) were present on every metro entry observed.",
                "additionalProperties": true
              }
            },
            "additionalProperties": true
          },
          "description": "One entry per metro area AAA tracks in the requested state -- 30 for California, only 2 for DC ('Washington (DC only)' and 'Washington (Entire Metro Average)') on the fixtures observed. A small or single-metro state can return very few entries."
        }
      },
      "additionalProperties": true
    },
    "status": {
      "type": "string",
      "description": "'success' on both real calls observed."
    }
  },
  "description": "The metro price-change result, as returned at routing.responseResultPath ($.output).",
  "additionalProperties": true
}