Delete a Memory Store

$client->beta->memoryStores->delete(string memoryStoreID, ?list<AnthropicBeta> betas, ?string workspaceID): BetaManagedAgentsDeletedMemoryStore

DELETE/v1/memory_stores/{memory_store_id}

Requires anthropic-beta: agent-memory-2026-07-22 or anthropic-beta: managed-agents-2026-04-01. How to send beta headers

Parameters

memoryStoreID: string⁠Path

The ID of the memory store to delete (memstore_...).

Deleting a store also deletes all its memories and memory versions. It can't be undone.

betas?: optional list<AnthropicBeta>⁠Header

This endpoint is in beta: requests must send agent-memory-2026-07-22 or managed-agents-2026-04-01 in this header.

workspaceID?: optional string⁠Header

Optional header to select the Workspace for this request. The value is a Workspace ID (for example, wrkspc_011CZkZaBF1tNoB5wlCeusgy).

Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

Returns

class BetaManagedAgentsDeletedMemoryStore { $type = 'memory_store_deleted'; $id; }

"memory_store_deleted" type

string id

ID of the deleted memory store (a memstore_... identifier). The store and all its memories and versions are no longer retrievable.

Delete a Memory Store

<?php

require_once dirname(__DIR__) . '/vendor/autoload.php';

use Anthropic\Client;
use Anthropic\Beta\AnthropicBeta;

$client = new Client(apiKey: 'my-anthropic-api-key');

$betaManagedAgentsDeletedMemoryStore = $client->beta->memoryStores->delete(
  'memory_store_id',
  betas: [AnthropicBeta::MESSAGE_BATCHES_2024_09_24],
  workspaceID: 'wrkspc_011CZkZaBF1tNoB5wlCeusgy',
);

var_dump($betaManagedAgentsDeletedMemoryStore);

Response 200

{
  "id": "id",
  "type": "memory_store_deleted"
}

Returns Examples

Response 200

{
  "id": "id",
  "type": "memory_store_deleted"
}