Roblox API Sites

Deprecated or poorly documented APIs

• Thumbnail APIs
• Search APIs
• Place APIs
• Universe APIs
• User APIs
• Asset APIs
• Login APIs
• Setup APIs

Search APIs

Returns a list of games.

http://www.roblox.com/games/list-json?sortFilter=1&MaxRows=5

Place APIs

Get a place's game instances

startIndex must be a multiple of 10

• https://www.roblox.com/games/getgameinstancesjson?placeId=1818&startindex=0

Get a list of allowed experimental features

• https://api.roblox.com/Game/GetAllowedExperimentalFeatures?placeId=1818

Universe APIs

Get the parent universe of place

• https://api.roblox.com/universes/get-universe-containing-place?placeid=1818

Thumbnail APIs

Asset Thumbnails

• https://www.roblox.com/asset-thumbnail/image?assetId=1818&width=420&height=420&format=png

  • Redirects to the URL.

• https://www.roblox.com/Thumbs/RawAsset.ashx?assetId=1818&imageFormat=png&width=60&height=62

  • Returns either PENDING or the URL. Also accepts assetVersionId

• https://assetgame.roblox.com/Thumbs/Asset.ashx?width=110&height=110&assetId=1818

  • Redirects to the URL. Also accepts userAssetId

• https://assetgame.roblox.com/Thumbs/Asset.asmx/RequestThumbnail_v2?assetId=1818&assetVersionId=0&width=null&height=null&imageFormat=%22Png%22&thumbnailFormatId=296&overrideModeration=false

  • Returns {"d":{"final":true,"url":"https://t3.rbxcdn.com/5d84cad6c2dda6a98ec94341bd418076"}}

• https://assetgame.roblox.com/Game/Tools/ThumbnailAsset.ashx?aid=1818&fmt=png&wd=420&ht=420

• https://assetgame.roblox.com/Game/Tools/ThumbnailAsset.ashx?assetVersionId=1&fmt=png&wd=420&ht=420

  • Redirects to the URL

• https://www.roblox.com/item-thumbnails?params=[{assetId:1818}]

  [{
    id: 1818,
    name: "Crossroads",
    url: "/Crossroads-place?id=1818",
    thumbnailFinal true,
    thumbnailUrl: "https://t7.rbxcdn.com/134692bb990302f51fb8f52cfcdd8083",
    bcOverlayUrl: null,
    limitedOverlayUrl: null,
    deadlineOverlayUrl: null,
    limitedAltText: null,
    newOverlayUrl: null,
    imageSize: "large",
    saleOverlayUrl: null,
    iosOverlayUrl: null,
    transparentBackground: false
  }]
  

  You can specify the small image size (110x110) with params=[{assetId:1818,imageSize:small}]. Otherwise it will default to large (420x420)

  Both of these APIs support JSONP, so this code can be embedded in any web page:

  $.getJSON('https://www.roblox.com/item-thumbnails?params=[{assetId:1818}]&jsoncallback=?', function(json) {
      alert(json[0].name);
  });
  

• https://www.roblox.com/asset-thumbnail/json?assetId=1818&width=160&height=100&format=jpeg

  {
    "Url": "https://t3.rbxcdn.com/c51dd4f8a509b20061a065117450e4c5",
    "Final": true,
    "SubstitutionType": 0
  }
  

Avatar Thumbnails

• http://www.roblox.com/bust-thumbnail/json?userId=2025110&height=180&width=180

  • Returns {"Url":"https://tr.rbxcdn.com/6402a6d488e255d00967c2c021d29fb0/180/180/AvatarBust/Png","Final":true}

• https://www.roblox.com/headshot-thumbnail/json?userId=1390724&width=420&height=420

  • Returns {"Url":"https://tr.rbxcdn.com/cc62e75ca1f869e91fcc2ec1821a3b6e/420/420/AvatarHeadshot/Png","Final":true}

• https://www.roblox.com/Thumbs/Avatar.ashx?username=Shedletsky

  • Redirects to the URL. Also accepts userId, and all other parameters can be omitted. If userId and username are both omitted, will return a ?

• https://www.roblox.com/bust-thumbnail/image?userId=48103520&width=420&height=420&format=png

  • Redirects to the URL.

• https://www.roblox.com/headshot-thumbnail/image?userId=48103520&width=420&height=420&format=png

  • Redirects to the URL.

• https://www.roblox.com/avatar-thumbnails?params=[{userId:261}]

  • Returns JSON

  [{
      "id": 261,
      "name": "Shedletsky",
      "url": "https://www.roblox.com/users/261/profile",
      "thumbnailFinal": true,
      "thumbnailUrl": "https://tr.rbxcdn.com/152bbbb5ba5953e40c91dd7e3dd0cf44/60/60/AvatarHeadshot/Png",
      "bcOverlayUrl": null,
      "substitutionType": 0
  }]
  

Outfit Thumbnails

• https://www.roblox.com/outfit-thumbnail/image?userOutfitId=26415539&width=420&height=420&format=png
  • Redirects to the URL.

Valid Thumbnail Sizes

User APIs

Get a user's profile games

• https://www.roblox.com/users/profile/playergames-json?userId=261

  {
      "Title": "Games",
      "Games": [{
          "CreatorID": 0,
          "CreatorName": "Shedletsky",
          "CreatorAbsoluteUrl": "https://www.roblox.com/users/261/profile",
          "Plays": 65437,
          "Price": 0,
          "ProductID": 0,
          "IsOwned": false,
          "IsVotingEnabled": true,
          "TotalUpVotes": 79,
          "TotalDownVotes": 34,
          "TotalBought": 0,
          "UniverseID": 150387,
          "HasErrorOcurred": false,
          "Favorites": 1728,
          "Description": "In a dystopian future, Robloxia is overrun by killbots.",
          "GameDetailReferralUrl": "https://www.roblox.com/games/refer?PlaceId=119445489&Position=1&PageType=Profile",
          "Thumbnail": {
              "Final": true,
              "Url": "https://t7.rbxcdn.com/ebfb8e2733d4e06b32db6c33b2f17ba3",
              "RetryUrl": null,
  "UserId": 0,
  "EndpointType": "Avatar"
          },
          "UseDataSrc": false,
     "IsAsyncThumbnailEnabled": false,
     "GamePageResources": null,
          "Name": "Timmy and the Killbots",
          "PlaceID": 48891,
          "PlayerCount": 0,
          "ImageId": 0
      }]
  }
  

Get information about the current user

• https://www.roblox.com/MobileAPI/UserInfo

Asset APIs

Get an asset's AssetVersioNId

• https://www.roblox.com/studio/plugins/info?assetId=1818

Upload an asset

POST /Data/Upload.ashx?assetid=1818 HTTP/1.1
Host: data.roblox.com
Cookie: .ROBLOSECURITY=*
Content-Type: application/xml; charset=utf-8
Content-Length: 17

<roblox></roblox>

Returns an assetVersionId

Insert asset APIs

• www.roblox.com/Game/Tools/InsertAsset.ashx?nsets=10&type=base
• www.roblox.com/Game/Tools/InsertAsset.ashx?type=user&userId=261&nsets=20
• www.roblox.com/Game/Tools/InsertAsset.ashx?sid=-7

Login APIs

Negotiation API

• https://www.roblox.com/Login/Negotiate.ashx?suggest=

Setup APIs

Mobile version check

• https://www.roblox.com/MobileAPI/Check-App-Version?appVersion=AppiOSV2.112.35972

Downloads and version endpoints

• setup.roblox.com
  • /Roblox.exe
  • /RobloxStudioLauncher.exe
  • /RobloxStudioLauncherBeta.exe
  • /cdn.txt
  • /version(.txt)
  • /versionStudio(.txt)
  • /versionQTStudio
  • /DeployHistory.txt
  • /mac/version
  • /mac/versionStudio
  • /mac/RobloxStudio.dmg
  • /mac/DeployHistory.txt