Create Memory Store API: POST /memory_stores-Alibaba Cloud Model Studio(Model Studio)-阿里云帮助中心

Creates a memory store for keeping an agent's long-term working notes.

Prerequisites

Endpoint and authentication configured. For details, see Overview and authentication.

Endpoint

POST /memory_stores

Request body

Field	Required	Type	Description
`name`	Yes	string	Memory store name, 1-255 characters
`description`	No	string	Purpose description; an empty string is returned if omitted
`metadata`	No	object	Custom key-value pairs for business metadata; an empty object if omitted

Request example

bash

curl -X POST "$AGENTSTUDIO_URL/memory_stores" \
  -H "Authorization: Bearer $DASHSCOPE_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"name": "Project Knowledge","description": "Project conventions, decisions, and troubleshooting notes"}'

Response example

{
  "id": "memstore_xxx",
  "type": "memory_store",
  "name": "Project Knowledge",
  "description": "Project conventions, decisions, and troubleshooting notes",
  "metadata": {
    "team": "data"
  },
  "created_at": "2026-09-17T08:00:00Z",
  "updated_at": "2026-09-17T08:00:00Z"
}

Response fields

Field	Type	Description
`id`	string	Memory store ID, format memstore_xxx
`type`	string	Always memory_store
`name`	string	Memory store name, 1-255 characters
`description`	string	Purpose description; an empty string if not set
`metadata`	object	Custom key-value pairs
`archived_at`	string \| null	Archive time; omitted or null when not archived
`created_at`	string	Creation time, ISO 8601 UTC
`updated_at`	string	Last update time, ISO 8601 UTC

Error codes

HTTP status	Error code	Description
400	`invalid_request_error`	Invalid parameters, path, limit, or pagination cursor
401	`InvalidApiKey`	API key missing, invalid, or expired
403	`permission_error`	Insufficient identity or resource access permissions