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Source: Roblox Creator Hub · CC BY 4.0 · View source · Code samples: MIT Imported 2026-10-03. Formatting adapted for this site.

POST /v1/users/{userId}/challenges/cross-device/verify — openapi

Verifies a two step verification approval via Cross Device. Cross Device approval does not use a verification code.

Endpoint

Method: POST

Path: /v1/users/{userId}/challenges/cross-device/verify

Servers:

Parameters

NameLocationRequiredDescription
userIdpathtrueThe user ID.
[
  {
    "in": "path",
    "name": "userId",
    "description": "The user ID.",
    "required": true,
    "schema": {
      "type": "integer",
      "format": "int64"
    }
  }
]

Request Body

The Roblox.TwoStepVerification.Api.VerifyApprovalRequest.

{
  "content": {
    "application/json": {
      "schema": {
        "$ref": "#/components/schemas/Roblox.TwoStepVerification.Api.VerifyApprovalRequest"
      }
    },
    "text/json": {
      "schema": {
        "$ref": "#/components/schemas/Roblox.TwoStepVerification.Api.VerifyApprovalRequest"
      }
    }
  },
  "description": "The Roblox.TwoStepVerification.Api.VerifyApprovalRequest.",
  "required": true
}

Responses

StatusDescription
200OK
4000: An unknown error occurred with the request. 1: Invalid challenge ID. 2: The user ID is invalid.
4030: Token Validation Failed 19: Challenge denied.
5037: Two step verification is currently under maintenance.
{
  "200": {
    "description": "OK",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.TwoStepVerification.Api.VerifyApprovalResponse"
        }
      },
      "text/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.TwoStepVerification.Api.VerifyApprovalResponse"
        }
      }
    }
  },
  "400": {
    "description": "0: An unknown error occurred with the request.\r\n1: Invalid challenge ID.\r\n2: The user ID is invalid."
  },
  "403": {
    "description": "0: Token Validation Failed\r\n19: Challenge denied."
  },
  "503": {
    "description": "7: Two step verification is currently under maintenance."
  }
}

Authentication

{
  "security": [
    {},
    {
      "roblox-legacy-cookie": []
    }
  ],
  "securitySchemes": {
    "roblox-api-key": {
      "type": "apiKey",
      "description": "A configurable key that allows granular access to Roblox resources. See https://create.roblox.com/docs/cloud/auth/api-keys for more information.",
      "name": "x-api-key",
      "in": "header"
    },
    "roblox-legacy-cookie": {
      "type": "apiKey",
      "description": "A browser cookie that represents the identity of a Roblox user. DO NOT SHARE THIS. Sharing this will allow someone to log in as you and to steal your Robux and items. We do not recommend using cookies to call endpoints. When possible, use API keys with the x-api-key header or OAuth 2.0 instead for authentication.",
      "in": "cookie",
      "name": ".ROBLOSECURITY"
    },
    "roblox-oauth2": {
      "type": "oauth2",
      "description": "Build or authorize apps to access Roblox resources. See https://create.roblox.com/docs/cloud/auth/oauth2-overview for more information.",
      "flows": {
        "authorizationCode": {
          "authorizationUrl": "https://apis.roblox.com/oauth/v1/authorize",
          "tokenUrl": "https://apis.roblox.com/oauth/v1/token",
          "refreshUrl": "https://apis.roblox.com/oauth/v1/token",
          "scopes": {}
        }
      }
    }
  }
}

Complete Operation Definition

{
  "tags": [
    "Accounts"
  ],
  "summary": "Verifies a two step verification approval via Cross Device. Cross Device approval does not use a verification code.",
  "parameters": [
    {
      "in": "path",
      "name": "userId",
      "description": "The user ID.",
      "required": true,
      "schema": {
        "type": "integer",
        "format": "int64"
      }
    }
  ],
  "requestBody": {
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.TwoStepVerification.Api.VerifyApprovalRequest"
        }
      },
      "text/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.TwoStepVerification.Api.VerifyApprovalRequest"
        }
      }
    },
    "description": "The Roblox.TwoStepVerification.Api.VerifyApprovalRequest.",
    "required": true
  },
  "responses": {
    "200": {
      "description": "OK",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Roblox.TwoStepVerification.Api.VerifyApprovalResponse"
          }
        },
        "text/json": {
          "schema": {
            "$ref": "#/components/schemas/Roblox.TwoStepVerification.Api.VerifyApprovalResponse"
          }
        }
      }
    },
    "400": {
      "description": "0: An unknown error occurred with the request.\r\n1: Invalid challenge ID.\r\n2: The user ID is invalid."
    },
    "403": {
      "description": "0: Token Validation Failed\r\n19: Challenge denied."
    },
    "503": {
      "description": "7: Two step verification is currently under maintenance."
    }
  },
  "servers": [
    {
      "url": "https://twostepverification.roblox.com"
    }
  ],
  "x-roblox-engine-usability": {
    "apiKeyWithHttpService": false
  },
  "security": [
    {},
    {
      "roblox-legacy-cookie": []
    }
  ],
  "externalDocs": {
    "url": "https://create.roblox.com/docs/cloud/reference/features/accounts#twostepverification_post_v1_users__userId__challenges_cross_device_verify"
  }
}