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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Create a memory changedapi/beta/memory_stores/memories/create

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Lines−18removed
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First seen 14 Aug 2026 this site's first read of the page
Recorded edits19to this page, all time

# Create a memory ## Path parameters ## Query parameters ## Headers ## Body parameters ## Returns ## Example ### Response (200) ## Create a memory ### Path Parameters ### Query Parameters ### Header Parameters ### Body Parameters ### Returns ### Example #### Response

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1---
2title: Create a memory
3url: https://platform.claude.com/docs/en/api/beta/memory_stores/memories/create
4---
1# Create a memory
52 
6## Create a memory
3**POST** `/v1/memory_stores/{memory_store_id}/memories`
74 
8**post** `/v1/memory_stores/{memory_store_id}/memories`
9 
105Create a memory
116 
12### Path Parameters
7## Path parameters
138 
149- `memory_store_id: string`
1510 
16### Query Parameters
11## Query parameters
1712 
1813- `view: optional BetaManagedAgentsMemoryView`
1914 
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2318 
2419 - `"full"`
2520 
26### Header Parameters
21## Headers
2722 
2823- `"anthropic-beta": optional array of AnthropicBeta`
2924 
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10196 
10297 - `"mid-conversation-tool-changes-2026-07-01"`
10398 
104### Body Parameters
99## Body parameters
105100 
106101- `content: string or null`
107102 
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111106 
112107 Hierarchical path for the new memory, e.g. `/projects/foo/notes.md`. Must start with `/`, contain at least one non-empty segment, and be at most 1,024 bytes. Must not contain empty segments, `.` or `..` segments, control or format characters, and must be NFC-normalized. Paths are case-sensitive.
113108 
114### Returns
109 minLength: 2, maxLength: 1024
115110 
116- `BetaManagedAgentsMemory object { id, content_sha256, content_size_bytes, 7 more }`
111## Returns
117112 
113- `BetaManagedAgentsMemory object`
114 
118115 A `memory` object: a single text document at a hierarchical path inside a memory store. The `content` field is populated when `view=full` and `null` when `view=basic`; the `content_size_bytes` and `content_sha256` fields are always populated so sync clients can diff without fetching content. Memories are addressed by their `mem_...` ID; the path is the create key and can be changed via update.
119116 
120117 - `id: string`
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129126 
130127 Size of `content` in bytes (the UTF-8 plaintext length). Always populated, regardless of `view`.
131128 
129 format: int32
130 
132131 - `created_at: string`
133132 
134133 A timestamp in RFC 3339 format
135134 
135 format: date-time
136 
136137 - `memory_store_id: string`
137138 
138139 ID of the memory store this memory belongs to (a `memstore_...` value).
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147148 
148149 - `type: "memory"`
149150 
150 - `"memory"`
151 
152151 - `updated_at: string`
153152 
154153 A timestamp in RFC 3339 format
155154 
155 format: date-time
156 
156157 - `content: optional string or null`
157158 
158159 The memory's UTF-8 text content. Populated when `view=full`; `null` when `view=basic`. Maximum 100 kB (102,400 bytes).
159160 
160### Example
161## Example
161162 
162```http
163```bash
163164curl https://api.anthropic.com/v1/memory_stores/$MEMORY_STORE_ID/memories \
164165 -H 'Content-Type: application/json' \
165166 -H 'anthropic-version: 2023-06-01' \
from line 172
171172 }'
172173```
173174 
174#### Response
175### Response (200)
175176 
176177```json
177178{
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