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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.

GET /cloud/v2/universes/{universe_id}/places/{place_id}/instances/{instance_id}:listChildren — openapi

List Instance Children

Lists an instance's children.

The maximum supported response data size is 500,000 bytes. If this limit is exceeded, the returned Operation will be completed with an error result that has an error code of 422.

Endpoint

Method: GET

Path: /cloud/v2/universes/{universe_id}/places/{place_id}/instances/{instance_id}:listChildren

Servers:

Parameters

NameLocationRequiredDescription
universe_idpathtrueThe universe ID.
place_idpathtrueThe place ID.
instance_idpathtrueThe instance ID.
maxPageSizequeryfalseThe maximum number of child instance to return. The service may return fewer than this value. If unspecified, at most 200 children will be returned. The maximum value is 200; values above 200 will be coerced to 200.
pageTokenqueryfalseA page token, received from a previous ListInstanceChildrenRequest call. Provide this to retrieve the subsequent page. When paginating, all other parameters provided to ListInstanceChildrenRequest must match the call that provided the page token.
[
  {
    "name": "universe_id",
    "in": "path",
    "description": "The universe ID.",
    "required": true,
    "schema": {
      "type": "string"
    }
  },
  {
    "name": "place_id",
    "in": "path",
    "description": "The place ID.",
    "required": true,
    "schema": {
      "type": "string"
    }
  },
  {
    "name": "instance_id",
    "in": "path",
    "description": "The instance ID.",
    "required": true,
    "schema": {
      "type": "string"
    }
  },
  {
    "name": "maxPageSize",
    "in": "query",
    "description": "The maximum number of child instance to return. The service may return\nfewer than this value. If unspecified, at most 200 children will be\nreturned. The maximum value is 200; values above 200 will be coerced to\n200.",
    "schema": {
      "type": "integer",
      "format": "int32"
    },
    "examples": {
      "maxPageSize": {
        "description": "An integer between 1 and 200, inclusive",
        "value": 100
      }
    }
  },
  {
    "name": "pageToken",
    "in": "query",
    "description": "A page token, received from a previous `ListInstanceChildrenRequest` call.\nProvide this to retrieve the subsequent page.\n\nWhen paginating, all other parameters provided to\n`ListInstanceChildrenRequest` must match the call that provided the page\ntoken.",
    "schema": {
      "type": "string"
    }
  }
]

Responses

StatusDescription
200OK
{
  "200": {
    "description": "OK",
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/Operation"
        }
      }
    }
  }
}

Authentication

{
  "security": [
    {
      "roblox-api-key": []
    }
  ],
  "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": [
    "Places",
    "Universes"
  ],
  "summary": "List Instance Children",
  "description": "Lists an instance's children.\n\nThe maximum supported response data size is 500,000 bytes. If this limit is\nexceeded, the returned `Operation` will be completed with an error result\nthat has an error code of `422`.\n\n",
  "operationId": "Cloud_ListInstanceChildren",
  "parameters": [
    {
      "name": "universe_id",
      "in": "path",
      "description": "The universe ID.",
      "required": true,
      "schema": {
        "type": "string"
      }
    },
    {
      "name": "place_id",
      "in": "path",
      "description": "The place ID.",
      "required": true,
      "schema": {
        "type": "string"
      }
    },
    {
      "name": "instance_id",
      "in": "path",
      "description": "The instance ID.",
      "required": true,
      "schema": {
        "type": "string"
      }
    },
    {
      "name": "maxPageSize",
      "in": "query",
      "description": "The maximum number of child instance to return. The service may return\nfewer than this value. If unspecified, at most 200 children will be\nreturned. The maximum value is 200; values above 200 will be coerced to\n200.",
      "schema": {
        "type": "integer",
        "format": "int32"
      },
      "examples": {
        "maxPageSize": {
          "description": "An integer between 1 and 200, inclusive",
          "value": 100
        }
      }
    },
    {
      "name": "pageToken",
      "in": "query",
      "description": "A page token, received from a previous `ListInstanceChildrenRequest` call.\nProvide this to retrieve the subsequent page.\n\nWhen paginating, all other parameters provided to\n`ListInstanceChildrenRequest` must match the call that provided the page\ntoken.",
      "schema": {
        "type": "string"
      }
    }
  ],
  "responses": {
    "200": {
      "description": "OK",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/Operation"
          }
        }
      }
    }
  },
  "x-long-running-operation-parameters": {
    "metadata": {
      "$ref": "#/components/schemas/ListInstanceChildrenMetadata"
    },
    "response": {
      "$ref": "#/components/schemas/ListInstanceChildrenResponse"
    }
  },
  "x-roblox-engine-usability": {
    "apiKeyWithHttpService": false
  },
  "x-roblox-scopes": [
    {
      "name": "universe.place.instance:read"
    }
  ],
  "x-roblox-docs": {
    "category": "Universes and places",
    "methodProperties": {
      "scopes": [
        "universe.place.instance:read"
      ]
    },
    "resource": {
      "$ref": "#/components/schemas/Instance",
      "name": "Instance"
    }
  },
  "x-roblox-stability": "BETA",
  "x-roblox-rate-limits": {
    "perApiKeyOwner": {
      "period": "MINUTE",
      "maxInPeriod": 45
    }
  },
  "security": [
    {
      "roblox-api-key": []
    }
  ],
  "externalDocs": {
    "url": "https://create.roblox.com/docs/cloud/reference/features/places#Cloud_ListInstanceChildren"
  }
}