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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 /cloud/v2/universes/{universe_id}/memory-store/sorted-maps/{sorted_map_id}/items — openapi

Create Memory Store Sorted Map Item

Creates the specified map item if it doesn't exist.

Endpoint

Method: POST

Path: /cloud/v2/universes/{universe_id}/memory-store/sorted-maps/{sorted_map_id}/items

Servers:

Parameters

NameLocationRequiredDescription
universe_idpathtrueThe universe ID.
sorted_map_idpathtrueThe sorted-map ID.
idqueryfalseThe ID to use for the memory store sorted map item, which will become the final component of the memory store sorted map item's resource path. This value should be a 1-127 character string that supports alphanumeric and special characters. This id is case sensitive. The id must be url encoded if it contains any url breaking special characters.
[
  {
    "name": "universe_id",
    "in": "path",
    "description": "The universe ID.",
    "required": true,
    "schema": {
      "type": "string"
    }
  },
  {
    "name": "sorted_map_id",
    "in": "path",
    "description": "The sorted-map ID.",
    "required": true,
    "schema": {
      "type": "string"
    }
  },
  {
    "name": "id",
    "in": "query",
    "description": "The ID to use for the memory store sorted map item, which will become the\nfinal component of the memory store sorted map item's resource path.\n\nThis value should be a 1-127 character string that supports alphanumeric\nand special characters. This id is case sensitive. The id must be url\nencoded if it contains any url breaking special characters.",
    "schema": {
      "type": "string"
    },
    "examples": {
      "id": {
        "description": "a 1-127 character string that supports alphanumeric and special characters. This id is case sensitive. The id must be url encoded if it contains any url breaking special characters.",
        "value": "Hello!"
      }
    }
  }
]

Request Body

{
  "content": {
    "application/json": {
      "schema": {
        "$ref": "#/components/schemas/MemoryStoreSortedMapItem"
      }
    }
  },
  "required": true
}

Responses

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

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": [
    "Data and memory stores"
  ],
  "summary": "Create Memory Store Sorted Map Item",
  "description": "Creates the specified map item if it doesn't exist.",
  "operationId": "Cloud_CreateMemoryStoreSortedMapItem",
  "parameters": [
    {
      "name": "universe_id",
      "in": "path",
      "description": "The universe ID.",
      "required": true,
      "schema": {
        "type": "string"
      }
    },
    {
      "name": "sorted_map_id",
      "in": "path",
      "description": "The sorted-map ID.",
      "required": true,
      "schema": {
        "type": "string"
      }
    },
    {
      "name": "id",
      "in": "query",
      "description": "The ID to use for the memory store sorted map item, which will become the\nfinal component of the memory store sorted map item's resource path.\n\nThis value should be a 1-127 character string that supports alphanumeric\nand special characters. This id is case sensitive. The id must be url\nencoded if it contains any url breaking special characters.",
      "schema": {
        "type": "string"
      },
      "examples": {
        "id": {
          "description": "a 1-127 character string that supports alphanumeric and special characters. This id is case sensitive. The id must be url encoded if it contains any url breaking special characters.",
          "value": "Hello!"
        }
      }
    }
  ],
  "requestBody": {
    "content": {
      "application/json": {
        "schema": {
          "$ref": "#/components/schemas/MemoryStoreSortedMapItem"
        }
      }
    },
    "required": true
  },
  "responses": {
    "200": {
      "description": "OK",
      "content": {
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/MemoryStoreSortedMapItem"
          }
        }
      }
    }
  },
  "x-roblox-engine-usability": {
    "apiKeyWithHttpService": true
  },
  "x-roblox-scopes": [
    {
      "name": "memory-store.sorted-map:write",
      "targetResourceSpecifier": "universes"
    },
    {
      "name": "memory-store.sorted-map:write"
    }
  ],
  "x-roblox-docs": {
    "category": "Data and memory stores",
    "methodProperties": {
      "scopes": [
        "memory-store.sorted-map:write"
      ]
    },
    "resource": {
      "$ref": "#/components/schemas/MemoryStoreSortedMapItem",
      "name": "MemoryStoreSortedMapItem"
    }
  },
  "x-roblox-stability": "STABLE",
  "x-roblox-rate-limits": {
    "perApiKeyOwner": {
      "period": "MINUTE",
      "maxInPeriod": 1000000
    }
  },
  "security": [
    {
      "roblox-api-key": []
    }
  ],
  "externalDocs": {
    "url": "https://create.roblox.com/docs/cloud/reference/features/storage#Cloud_CreateMemoryStoreSortedMapItem"
  }
}