securesignup

Signup API for the ROBLOX 2014 client.

Usage

URL format: "*/mobileapi/securesignup"

Method: `POST`

Example Body: `username=signupuser&password=imsigningup`

Example response JSON:

{
  "Status": "OK",
  "UserInfo": {
    "UserName": "signupuser",
    "UserPassword": "imsigningup",
    "UserID": 2,
    "RobuxBalance": 0,
    "TicketsBalance": 0,
    "IsAnyBuildersClubMember": true,
    "ThumbnailUrl": "https://14blox.strangled.net/getUserAvatarImage?userId=1"
  }
}

Notes

This API is meant to also be used with /UserCheck/validatepasswordforsignup and /UserCheck/checkifinvalidusernameforsignup, as they are used for confirming that the username is not in use and the password is valid.

27 November 2025