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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",
                "*": "",
                "subpages": "",
                "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",
                "*": "Maths",
                "subpages": "",
                "canonical": "Project"
            },
            "5": {
                "id": 5,
                "case": "first-letter",
                "*": "Maths 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",
                "subpages": "",
                "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"
            },
            "550": {
                "id": 550,
                "case": "first-letter",
                "*": "Notes",
                "subpages": "",
                "canonical": "Notes",
                "content": ""
            },
            "551": {
                "id": 551,
                "case": "first-letter",
                "*": "Notes talk",
                "canonical": "Notes talk"
            },
            "552": {
                "id": 552,
                "case": "first-letter",
                "*": "Books",
                "subpages": "",
                "canonical": "Books",
                "content": ""
            },
            "553": {
                "id": 553,
                "case": "first-letter",
                "*": "Books talk",
                "canonical": "Books talk"
            },
            "554": {
                "id": 554,
                "case": "first-letter",
                "*": "Exercises",
                "subpages": "",
                "canonical": "Exercises",
                "content": ""
            },
            "555": {
                "id": 555,
                "case": "first-letter",
                "*": "Exercises talk",
                "canonical": "Exercises talk"
            },
            "556": {
                "id": 556,
                "case": "first-letter",
                "*": "Exams",
                "subpages": "",
                "canonical": "Exams",
                "content": ""
            },
            "557": {
                "id": 557,
                "case": "first-letter",
                "*": "Exams talk",
                "canonical": "Exams talk"
            },
            "558": {
                "id": 558,
                "case": "first-letter",
                "*": "Template data",
                "subpages": "",
                "canonical": "Template data"
            },
            "559": {
                "id": 559,
                "case": "first-letter",
                "*": "Template data talk",
                "canonical": "Template data talk"
            },
            "560": {
                "id": 560,
                "case": "first-letter",
                "*": "LibSR",
                "subpages": "",
                "canonical": "LibSR",
                "content": ""
            },
            "561": {
                "id": 561,
                "case": "first-letter",
                "*": "LibSR talk",
                "canonical": "LibSR talk"
            },
            "562": {
                "id": 562,
                "case": "first-letter",
                "*": "RealQ16s",
                "subpages": "",
                "canonical": "RealQ16s"
            },
            "563": {
                "id": 563,
                "case": "first-letter",
                "*": "RealQ16s talk",
                "canonical": "RealQ16s talk"
            },
            "564": {
                "id": 564,
                "case": "first-letter",
                "*": "Site projects",
                "subpages": "",
                "canonical": "Site projects",
                "content": ""
            },
            "565": {
                "id": 565,
                "case": "first-letter",
                "*": "Site projects talk",
                "canonical": "Site projects talk"
            },
            "566": {
                "id": 566,
                "case": "first-letter",
                "*": "Site",
                "subpages": "",
                "canonical": "Site",
                "content": ""
            },
            "567": {
                "id": 567,
                "case": "first-letter",
                "*": "Site talk",
                "canonical": "Site talk"
            },
            "568": {
                "id": 568,
                "case": "first-letter",
                "*": "Lesson",
                "subpages": "",
                "canonical": "Lesson",
                "content": ""
            },
            "569": {
                "id": 569,
                "case": "first-letter",
                "*": "Lesson talk",
                "canonical": "Lesson talk"
            },
            "570": {
                "id": 570,
                "case": "first-letter",
                "*": "Example",
                "subpages": "",
                "canonical": "Example",
                "content": ""
            },
            "571": {
                "id": 571,
                "case": "first-letter",
                "*": "Example talk",
                "canonical": "Example talk"
            },
            "572": {
                "id": 572,
                "case": "first-letter",
                "*": "Task",
                "subpages": "",
                "canonical": "Task",
                "content": ""
            },
            "573": {
                "id": 573,
                "case": "first-letter",
                "*": "Task talk",
                "canonical": "Task talk"
            },
            "574": {
                "id": 574,
                "case": "first-letter",
                "*": "Motivation",
                "subpages": "",
                "canonical": "Motivation",
                "content": ""
            },
            "575": {
                "id": 575,
                "case": "first-letter",
                "*": "Motivation talk",
                "canonical": "Motivation talk"
            },
            "576": {
                "id": 576,
                "case": "first-letter",
                "*": "Doctrine",
                "subpages": "",
                "canonical": "Doctrine",
                "content": ""
            },
            "577": {
                "id": 577,
                "case": "first-letter",
                "*": "Doctrine talk",
                "canonical": "Doctrine talk"
            },
            "578": {
                "id": 578,
                "case": "first-letter",
                "*": "Discussion",
                "subpages": "",
                "canonical": "Discussion",
                "content": ""
            },
            "579": {
                "id": 579,
                "case": "first-letter",
                "*": "Discussion talk",
                "canonical": "Discussion talk"
            },
            "580": {
                "id": 580,
                "case": "first-letter",
                "*": "UTLOC",
                "subpages": "",
                "canonical": "UTLOC",
                "content": ""
            },
            "581": {
                "id": 581,
                "case": "first-letter",
                "*": "UTLOC talk",
                "canonical": "UTLOC talk"
            },
            "582": {
                "id": 582,
                "case": "first-letter",
                "*": "Notes archive",
                "subpages": "",
                "canonical": "Notes archive",
                "content": ""
            },
            "583": {
                "id": 583,
                "case": "first-letter",
                "*": "Notes archive talk",
                "canonical": "Notes archive talk"
            },
            "584": {
                "id": 584,
                "case": "first-letter",
                "*": "Experiment",
                "subpages": "",
                "canonical": "Experiment",
                "content": ""
            },
            "585": {
                "id": 585,
                "case": "first-letter",
                "*": "Experiment talk",
                "canonical": "Experiment talk"
            }
        }
    }
}