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HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the JSON format, set format=json.
See the complete documentation, or API help for more information.
{
    "query": {
        "namespaces": {
            "-2": {
                "id": -2,
                "case": "first-letter",
                "*": "Media",
                "canonical": "Media"
            },
            "-1": {
                "id": -1,
                "case": "first-letter",
                "*": "Special",
                "canonical": "Special"
            },
            "0": {
                "id": 0,
                "case": "first-letter",
                "*": "",
                "content": ""
            },
            "1": {
                "id": 1,
                "case": "first-letter",
                "*": "Talk",
                "subpages": "",
                "canonical": "Talk"
            },
            "2": {
                "id": 2,
                "case": "first-letter",
                "*": "User",
                "subpages": "",
                "canonical": "User"
            },
            "3": {
                "id": 3,
                "case": "first-letter",
                "*": "User talk",
                "subpages": "",
                "canonical": "User talk"
            },
            "4": {
                "id": 4,
                "case": "first-letter",
                "*": "XC3 Wiki",
                "subpages": "",
                "canonical": "Project"
            },
            "5": {
                "id": 5,
                "case": "first-letter",
                "*": "XC3 Wiki talk",
                "subpages": "",
                "canonical": "Project talk"
            },
            "6": {
                "id": 6,
                "case": "first-letter",
                "*": "File",
                "canonical": "File"
            },
            "7": {
                "id": 7,
                "case": "first-letter",
                "*": "File talk",
                "subpages": "",
                "canonical": "File talk"
            },
            "8": {
                "id": 8,
                "case": "first-letter",
                "*": "MediaWiki",
                "subpages": "",
                "canonical": "MediaWiki"
            },
            "9": {
                "id": 9,
                "case": "first-letter",
                "*": "MediaWiki talk",
                "subpages": "",
                "canonical": "MediaWiki talk"
            },
            "10": {
                "id": 10,
                "case": "first-letter",
                "*": "Template",
                "canonical": "Template"
            },
            "11": {
                "id": 11,
                "case": "first-letter",
                "*": "Template talk",
                "subpages": "",
                "canonical": "Template talk"
            },
            "12": {
                "id": 12,
                "case": "first-letter",
                "*": "Help",
                "subpages": "",
                "canonical": "Help"
            },
            "13": {
                "id": 13,
                "case": "first-letter",
                "*": "Help talk",
                "subpages": "",
                "canonical": "Help talk"
            },
            "14": {
                "id": 14,
                "case": "first-letter",
                "*": "Category",
                "canonical": "Category"
            },
            "15": {
                "id": 15,
                "case": "first-letter",
                "*": "Category talk",
                "subpages": "",
                "canonical": "Category talk"
            },
            "102": {
                "id": 102,
                "case": "first-letter",
                "*": "Property",
                "canonical": "Property"
            },
            "103": {
                "id": 103,
                "case": "first-letter",
                "*": "Property talk",
                "subpages": "",
                "canonical": "Property talk"
            },
            "104": {
                "id": 104,
                "case": "first-letter",
                "*": "Type",
                "canonical": "Type"
            },
            "105": {
                "id": 105,
                "case": "first-letter",
                "*": "Type talk",
                "subpages": "",
                "canonical": "Type talk"
            },
            "106": {
                "id": 106,
                "case": "first-letter",
                "*": "Form",
                "canonical": "Form"
            },
            "107": {
                "id": 107,
                "case": "first-letter",
                "*": "Form talk",
                "subpages": "",
                "canonical": "Form talk"
            },
            "108": {
                "id": 108,
                "case": "first-letter",
                "*": "Concept",
                "canonical": "Concept"
            },
            "109": {
                "id": 109,
                "case": "first-letter",
                "*": "Concept talk",
                "canonical": "Concept talk"
            },
            "274": {
                "id": 274,
                "case": "first-letter",
                "*": "Widget",
                "canonical": "Widget"
            },
            "275": {
                "id": 275,
                "case": "first-letter",
                "*": "Widget talk",
                "subpages": "",
                "canonical": "Widget talk"
            },
            "420": {
                "id": 420,
                "case": "first-letter",
                "*": "Layer",
                "canonical": "Layer"
            },
            "421": {
                "id": 421,
                "case": "first-letter",
                "*": "Layer talk",
                "canonical": "Layer talk"
            },
            "500": {
                "id": 500,
                "case": "first-letter",
                "*": "Projects",
                "canonical": "Projects"
            },
            "501": {
                "id": 501,
                "case": "first-letter",
                "*": "Projects Talk",
                "canonical": "Projects Talk"
            },
            "502": {
                "id": 502,
                "case": "first-letter",
                "*": "Session",
                "canonical": "Session"
            },
            "503": {
                "id": 503,
                "case": "first-letter",
                "*": "Session Talk",
                "canonical": "Session Talk"
            },
            "504": {
                "id": 504,
                "case": "first-letter",
                "*": "Assembly",
                "canonical": "Assembly"
            },
            "505": {
                "id": 505,
                "case": "first-letter",
                "*": "Assembly Talk",
                "canonical": "Assembly Talk"
            },
            "506": {
                "id": 506,
                "case": "first-letter",
                "*": "Hackerspace",
                "subpages": "",
                "canonical": "Hackerspace"
            },
            "507": {
                "id": 507,
                "case": "first-letter",
                "*": "Hackerspace Talk",
                "subpages": "",
                "canonical": "Hackerspace Talk"
            },
            "508": {
                "id": 508,
                "case": "first-letter",
                "*": "Continent",
                "canonical": "Continent"
            },
            "509": {
                "id": 509,
                "case": "first-letter",
                "*": "Continent Talk",
                "canonical": "Continent Talk"
            },
            "510": {
                "id": 510,
                "case": "first-letter",
                "*": "Country",
                "canonical": "Country"
            },
            "511": {
                "id": 511,
                "case": "first-letter",
                "*": "Country Talk",
                "canonical": "Country Talk"
            },
            "512": {
                "id": 512,
                "case": "first-letter",
                "*": "City",
                "canonical": "City"
            },
            "513": {
                "id": 513,
                "case": "first-letter",
                "*": "City Talk",
                "canonical": "City Talk"
            },
            "514": {
                "id": 514,
                "case": "first-letter",
                "*": "Static",
                "subpages": "",
                "canonical": "Static"
            },
            "515": {
                "id": 515,
                "case": "first-letter",
                "*": "Static Talk",
                "subpages": "",
                "canonical": "Static Talk"
            },
            "516": {
                "id": 516,
                "case": "first-letter",
                "*": "Room",
                "canonical": "Room"
            },
            "517": {
                "id": 517,
                "case": "first-letter",
                "*": "Room Talk",
                "canonical": "Room Talk"
            },
            "518": {
                "id": 518,
                "case": "first-letter",
                "*": "AssemblyInfo",
                "subpages": "",
                "canonical": "AssemblyInfo"
            },
            "519": {
                "id": 519,
                "case": "first-letter",
                "*": "AssemblyInfo Talk",
                "canonical": "AssemblyInfo Talk"
            },
            "520": {
                "id": 520,
                "case": "first-letter",
                "*": "Calendar",
                "canonical": "Calendar"
            },
            "521": {
                "id": 521,
                "case": "first-letter",
                "*": "Calendar Talk",
                "canonical": "Calendar Talk"
            },
            "522": {
                "id": 522,
                "case": "first-letter",
                "*": "Lightning",
                "canonical": "Lightning"
            },
            "523": {
                "id": 523,
                "case": "first-letter",
                "*": "Lightning Talk",
                "canonical": "Lightning Talk"
            },
            "524": {
                "id": 524,
                "case": "first-letter",
                "*": "Link",
                "canonical": "Link"
            },
            "525": {
                "id": 525,
                "case": "first-letter",
                "*": "Link Talk",
                "canonical": "Link Talk"
            },
            "526": {
                "id": 526,
                "case": "first-letter",
                "*": "Cluster",
                "canonical": "Cluster"
            },
            "527": {
                "id": 527,
                "case": "first-letter",
                "*": "Cluster Talk",
                "canonical": "Cluster Talk"
            }
        }
    }
}