Bing Keyword Search Volume History by Device, United States (Monthly, One Keyword)

{
  "type": "object",
  "required": [
    "keywords",
    "location_code",
    "language_code",
    "period"
  ],
  "properties": {
    "period": {
      "enum": [
        "monthly"
      ],
      "type": "string",
      "description": "How the volumes are grouped in time; only monthly is offered."
    },
    "keywords": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 80,
        "minLength": 1
      },
      "maxItems": 1,
      "minItems": 1,
      "description": "The keyword to look up, as a one-item list; up to 80 characters and 10 words."
    },
    "language_code": {
      "enum": [
        "en"
      ],
      "type": "string",
      "description": "The language of the searches; only English is offered."
    },
    "location_code": {
      "enum": [
        2840
      ],
      "type": "integer",
      "description": "Where the searches are made; only 2840 (the United States) is offered."
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "properties": {
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "period": {
            "type": "string",
            "description": "How the volumes are grouped: monthly."
          },
          "keyword": {
            "type": "string",
            "description": "The keyword looked up."
          },
          "searches": {
            "type": "object",
            "properties": {
              "mobile": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "year": {
                      "type": "number"
                    },
                    "month": {
                      "type": "number",
                      "description": "The month number, 1 to 12."
                    },
                    "search_volume": {
                      "type": "number"
                    }
                  }
                },
                "description": "Mobile searches per month (newest first in the captured call)."
              },
              "tablet": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "year": {
                      "type": "number"
                    },
                    "month": {
                      "type": "number",
                      "description": "The month number, 1 to 12."
                    },
                    "search_volume": {
                      "type": "number"
                    }
                  }
                },
                "description": "Tablet searches per month (newest first in the captured call)."
              },
              "desktop": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "year": {
                      "type": "number"
                    },
                    "month": {
                      "type": "number",
                      "description": "The month number, 1 to 12."
                    },
                    "search_volume": {
                      "type": "number"
                    }
                  }
                },
                "description": "Desktop searches per month (newest first in the captured call)."
              }
            },
            "description": "Search volume per month, one list per device."
          }
        }
      }
    }
  },
  "description": "The search history: one entry for the keyword."
}