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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/user/tag — openapi

Sets the tag for a user

Endpoint

Method: POST

Path: /v1/user/tag

Servers:

• https://contacts.roblox.com

Request Body

The tag receiving userId and the tag itself

{
  "content": {
    "application/json": {
      "schema": {
        "$ref": "#/components/schemas/Roblox.Contacts.Api.Request.SetUserTagRequestModel"
      }
    },
    "text/json": {
      "schema": {
        "$ref": "#/components/schemas/Roblox.Contacts.Api.Request.SetUserTagRequestModel"
      }
    }
  },
  "description": "The tag receiving userId and the tag itself",
  "required": true
}

Responses

{
  "200": {
    "description": "OK",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.Contacts.Api.Response.SetUserTagResponseModel"
        }
      },
      "text/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.Contacts.Api.Response.SetUserTagResponseModel"
        }
      }
    }
  },
  "400": {
    "description": "2: The target user is invalid or does not exist.\r\n4: Invalid parameters.\r\n6: The userTag is too long."
  },
  "401": {
    "description": "0: Authorization has been denied for this request."
  },
  "403": {
    "description": "0: Token Validation Failed\r\n5: The user cannot tag themselves."
  },
  "429": {
    "description": "10: The flood limit has been exceeded."
  }
}

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": {}
        }
      }
    }
  }
}

Related Schemas

• Roblox.Contacts.Api.Request.SetUserTagRequestModel

• Roblox.Contacts.Api.Response.SetUserTagResponseModel

Complete Operation Definition

{
  "tags": [
    "Users"
  ],
  "summary": "Sets the tag for a user",
  "requestBody": {
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.Contacts.Api.Request.SetUserTagRequestModel"
        }
      },
      "text/json": {
        "schema": {
          "$ref": "#/components/schemas/Roblox.Contacts.Api.Request.SetUserTagRequestModel"
        }
      }
    },
    "description": "The tag receiving userId and the tag itself",
    "required": true
  },
  "responses": {
    "200": {
      "description": "OK",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Roblox.Contacts.Api.Response.SetUserTagResponseModel"
          }
        },
        "text/json": {
          "schema": {
            "$ref": "#/components/schemas/Roblox.Contacts.Api.Response.SetUserTagResponseModel"
          }
        }
      }
    },
    "400": {
      "description": "2: The target user is invalid or does not exist.\r\n4: Invalid parameters.\r\n6: The userTag is too long."
    },
    "401": {
      "description": "0: Authorization has been denied for this request."
    },
    "403": {
      "description": "0: Token Validation Failed\r\n5: The user cannot tag themselves."
    },
    "429": {
      "description": "10: The flood limit has been exceeded."
    }
  },
  "servers": [
    {
      "url": "https://contacts.roblox.com"
    }
  ],
  "x-roblox-engine-usability": {
    "apiKeyWithHttpService": false
  },
  "security": [
    {
      "roblox-legacy-cookie": []
    }
  ],
  "externalDocs": {
    "url": "https://create.roblox.com/docs/cloud/reference/features/users#contacts_post_v1_user_tag"
  }
}