You are looking at the HTML representation of the RAW format.
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 RAW format, set format=raw.
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",
                            "*": "Global wiki. Wargaming.net",
                            "subpages": "",
                            "canonical": "Project"
                        },
                        "5": {
                            "id": 5,
                            "case": "first-letter",
                            "*": "Global wiki. Wargaming.net 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"
                        },
                        "10000": {
                            "id": 10000,
                            "case": "first-letter",
                            "*": "Tank",
                            "canonical": "Tank",
                            "content": ""
                        },
                        "10001": {
                            "id": 10001,
                            "case": "first-letter",
                            "*": "Tank talk",
                            "canonical": "Tank talk"
                        },
                        "10002": {
                            "id": 10002,
                            "case": "first-letter",
                            "*": "Plane",
                            "canonical": "Plane",
                            "content": ""
                        },
                        "10003": {
                            "id": 10003,
                            "case": "first-letter",
                            "*": "Plane talk",
                            "canonical": "Plane talk"
                        },
                        "10004": {
                            "id": 10004,
                            "case": "first-letter",
                            "*": "Ship",
                            "canonical": "Ship",
                            "content": ""
                        },
                        "10005": {
                            "id": 10005,
                            "case": "first-letter",
                            "*": "Ship talk",
                            "canonical": "Ship talk"
                        },
                        "10006": {
                            "id": 10006,
                            "case": "first-letter",
                            "*": "Card",
                            "canonical": "Card",
                            "content": ""
                        },
                        "10007": {
                            "id": 10007,
                            "case": "first-letter",
                            "*": "Card talk",
                            "canonical": "Card talk"
                        },
                        "10008": {
                            "id": 10008,
                            "case": "first-letter",
                            "*": "Navy",
                            "canonical": "Navy",
                            "content": ""
                        },
                        "10009": {
                            "id": 10009,
                            "case": "first-letter",
                            "*": "Navy talk",
                            "canonical": "Navy talk"
                        },
                        "10010": {
                            "id": 10010,
                            "case": "first-letter",
                            "*": "Blitz",
                            "canonical": "Blitz",
                            "content": ""
                        },
                        "10011": {
                            "id": 10011,
                            "case": "first-letter",
                            "*": "Blitz talk",
                            "canonical": "Blitz talk"
                        },
                        "10012": {
                            "id": 10012,
                            "case": "first-letter",
                            "*": "XBOX",
                            "canonical": "XBOX",
                            "content": ""
                        },
                        "10013": {
                            "id": 10013,
                            "case": "first-letter",
                            "*": "XBOX talk",
                            "canonical": "XBOX talk"
                        },
                        "10014": {
                            "id": 10014,
                            "case": "first-letter",
                            "*": "TWA",
                            "canonical": "TWA",
                            "content": ""
                        },
                        "10015": {
                            "id": 10015,
                            "case": "first-letter",
                            "*": "TWA talk",
                            "canonical": "TWA talk"
                        },
                        "10016": {
                            "id": 10016,
                            "case": "first-letter",
                            "*": "Antiquity",
                            "canonical": "Antiquity",
                            "content": ""
                        },
                        "10017": {
                            "id": 10017,
                            "case": "first-letter",
                            "*": "Antiquity talk",
                            "canonical": "Antiquity talk"
                        },
                        "10018": {
                            "id": 10018,
                            "case": "first-letter",
                            "*": "Caliber",
                            "canonical": "Caliber",
                            "content": ""
                        },
                        "10019": {
                            "id": 10019,
                            "case": "first-letter",
                            "*": "Caliber talk",
                            "canonical": "Caliber talk"
                        },
                        "10020": {
                            "id": 10020,
                            "case": "first-letter",
                            "*": "SpecOps",
                            "canonical": "SpecOps",
                            "content": ""
                        },
                        "10021": {
                            "id": 10021,
                            "case": "first-letter",
                            "*": "SpecOps talk",
                            "canonical": "SpecOps talk"
                        },
                        "_element": "ns"
                    }
                }
            }