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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.

PATCH /v2/groups/{groupId}/invitations/{invitationId} — openapi

Accept or decline an invitation to a group (recipient)

Endpoint

Method: PATCH

Path: /v2/groups/{groupId}/invitations/{invitationId}

Servers:

• https://groups.roblox.com

Parameters

[
  {
    "name": "groupId",
    "in": "path",
    "required": true,
    "schema": {
      "type": "integer",
      "format": "int64"
    }
  },
  {
    "name": "invitationId",
    "in": "path",
    "required": true,
    "schema": {
      "type": "integer",
      "format": "int64"
    }
  }
]

Request Body

{
  "content": {
    "application/json-patch+json": {
      "schema": {
        "$ref": "#/components/schemas/UpdateGroupInvitationRequestModel"
      }
    },
    "application/json": {
      "schema": {
        "$ref": "#/components/schemas/UpdateGroupInvitationRequestModel"
      }
    },
    "text/json": {
      "schema": {
        "$ref": "#/components/schemas/UpdateGroupInvitationRequestModel"
      }
    },
    "application/*+json": {
      "schema": {
        "$ref": "#/components/schemas/UpdateGroupInvitationRequestModel"
      }
    }
  },
  "required": true
}

Responses

{
  "200": {
    "description": "Success",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/SuccessResponse"
        }
      }
    }
  },
  "400": {
    "description": "Bad Request",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
        }
      }
    }
  },
  "401": {
    "description": "Unauthorized",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
        }
      }
    }
  },
  "403": {
    "description": "Forbidden",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
        }
      }
    }
  },
  "404": {
    "description": "Not Found",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
        }
      }
    }
  },
  "500": {
    "description": "Server Error",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
        }
      }
    }
  }
}

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

• UpdateGroupInvitationRequestModel

• SuccessResponse

• OrganizationsServiceApi.ErrorResponse

Complete Operation Definition

{
  "summary": "Accept or decline an invitation to a group (recipient)",
  "parameters": [
    {
      "name": "groupId",
      "in": "path",
      "required": true,
      "schema": {
        "type": "integer",
        "format": "int64"
      }
    },
    {
      "name": "invitationId",
      "in": "path",
      "required": true,
      "schema": {
        "type": "integer",
        "format": "int64"
      }
    }
  ],
  "requestBody": {
    "content": {
      "application/json-patch+json": {
        "schema": {
          "$ref": "#/components/schemas/UpdateGroupInvitationRequestModel"
        }
      },
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/UpdateGroupInvitationRequestModel"
        }
      },
      "text/json": {
        "schema": {
          "$ref": "#/components/schemas/UpdateGroupInvitationRequestModel"
        }
      },
      "application/*+json": {
        "schema": {
          "$ref": "#/components/schemas/UpdateGroupInvitationRequestModel"
        }
      }
    },
    "required": true
  },
  "responses": {
    "200": {
      "description": "Success",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/SuccessResponse"
          }
        }
      }
    },
    "400": {
      "description": "Bad Request",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
          }
        }
      }
    },
    "401": {
      "description": "Unauthorized",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
          }
        }
      }
    },
    "403": {
      "description": "Forbidden",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
          }
        }
      }
    },
    "404": {
      "description": "Not Found",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
          }
        }
      }
    },
    "500": {
      "description": "Server Error",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/OrganizationsServiceApi.ErrorResponse"
          }
        }
      }
    }
  },
  "servers": [
    {
      "url": "https://groups.roblox.com"
    }
  ],
  "x-roblox-stability": "BETA",
  "x-roblox-engine-usability": {
    "apiKeyWithHttpService": false
  },
  "security": [
    {
      "roblox-legacy-cookie": []
    }
  ]
}