curl -X GET 'https://api.anthropic.com/v1/memory_stores/memory-store-id/memory_versions?beta=true&memory_id=memory-id&session_id=session-id&api_key_id=api-key-id&service_account_id=service-account-id&operation=created&created_at%5Bgte%5D=example-created-at%5Bgte%5D&created_at%5Blte%5D=example-created-at%5Blte%5D&limit=10&page=example-page&view=basic' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01'

# GET /v1/memory_stores/{memory_store_id}/memory_versions?beta=true (Claude API)
Base URL: https://api.anthropic.com
Auth: x-api-key; Anthropic API key; required.
Status: Beta.
Last verified: 2026-10-20

> List memory versions

## Critical Gotchas
* Authentication uses the `x-api-key` header and requests also require an `anthropic-version` header.
* The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

## cURL
curl -X GET 'https://api.anthropic.com/v1/memory_stores/memory-store-id/memory_versions?beta=true&memory_id=memory-id&session_id=session-id&api_key_id=api-key-id&service_account_id=service-account-id&operation=created&created_at%5Bgte%5D=example-created-at%5Bgte%5D&created_at%5Blte%5D=example-created-at%5Blte%5D&limit=10&page=example-page&view=basic' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| memory_store_id | path | string | Yes | Path parameter memory_store_id |
| memory_id | query | string | No | Query parameter for memory_id |
| session_id | query | string | No | Query parameter for session_id |
| api_key_id | query | string | No | Query parameter for api_key_id |
| service_account_id | query | string | No | Query parameter for service_account_id |
| operation | query | string | No | Query parameter for operation |
| created_at[gte] | query | string | No | Return versions created at or after this time (inclusive). |
| created_at[lte] | query | string | No | Return versions created at or before this time (inclusive). |
Other params: limit, page, view

## Response example
{"data":[{}],"next_page":"string"}

---
Need an API key? Get one at https://console.anthropic.com/settings/keys

GET

GET /v1/memory_stores/{memory_store_id}/memory_versions?beta=true — Claude API

Beta

Anthropic API key (required); https://api.anthropic.com

Claude API

List memory versions

Base URL: https://api.anthropic.com
Auth: x-api-key: <ANTHROPIC_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 309 tokens · Vary: Accept

Critical gotchas

Authentication uses the x-api-key header and requests also require an anthropic-version header.

The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

cURL

curl -X GET 'https://api.anthropic.com/v1/memory_stores/memory-store-id/memory_versions?beta=true&memory_id=memory-id&session_id=session-id&api_key_id=api-key-id&service_account_id=service-account-id&operation=created&created_at%5Bgte%5D=example-created-at%5Bgte%5D&created_at%5Blte%5D=example-created-at%5Blte%5D&limit=10&page=example-page&view=basic' \  -H "x-api-key: $ANTHROPIC_API_KEY" \  -H 'anthropic-version: 2023-06-01'

Parameters

Name	In	Type	Required	Description
memory_store_id	path	string	Yes	Path parameter memory_store_id
memory_id	query	string	No	Query parameter for memory_id
session_id	query	string	No	Query parameter for session_id
api_key_id	query	string	No	Query parameter for api_key_id
service_account_id	query	string	No	Query parameter for service_account_id
operation	query	string	No	Query parameter for operation
created_at[gte]	query	string	No	Return versions created at or after this time (inclusive).
created_at[lte]	query	string	No	Return versions created at or before this time (inclusive).
limit	query	integer	No	Query parameter for limit
page	query	string	No	Query parameter for page
view	query	string	No	Query parameter for view

Response 200 OK

{
  "data": [
    {
      "type": "memory_version",
      "id": "string",
      "memory_store_id": "string",
      "memory_id": "string",
      "path": "string",
      "operation": "created",
      "content": "string",
      "content_size_bytes": 0,
      "content_sha256": "string",
      "created_by": {
        "type": "session_actor",
        "session_id": "string"
      },
      "created_at": "2026-09-03T00:00:00Z",
      "redacted_at": "2026-09-03T00:00:00Z",
      "redacted_by": {
        "type": "session_actor",
        "session_id": "string"
      }
    }
  ],
  "next_page": "string"
}

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