v5 retrieves, lists, and removes content within one explicit namespace.

### Retrieve a document and its derived context

<CodeGroup>
```bash Legacy
GET /v3/documents/{id}
GET /v3/documents/{id}/chunks
```

```bash v5
GET /ns/{namespace}/document/{id}?include=chunks,memories
```
</CodeGroup>

Pass `include` as a comma-separated list to return chunks, memories, or both. Keys you omit are absent; requested keys with no results are empty arrays. Lifecycle fields move under `system`:

```json
{"system":{"status":"done","createdAt":"...","updatedAt":"..."}}
```

### List documents, chunks, or memories

<CodeGroup>
```bash Legacy
POST /v3/documents/list
POST /v4/memories/list
```

```bash v5
POST /ns/{namespace}/list/{type}?page=1&limit=100&sort=createdAt&order=desc
{}
```
</CodeGroup>

Set `type` to `documents`, `chunks`, or `memories`. Pagination and sorting move to the query string; the body contains only optional `filter`.

Every response contains `documents`, `chunks`, `memories`, and `pagination`. Only the selected resource array is populated. Replace legacy `memories` assumptions in document-list callers with `documents`.

### Delete documents

<CodeGroup>
```bash Legacy
DELETE /v3/documents/{id}
DELETE /v3/documents/bulk
```

```bash v5
DELETE /ns/{namespace}/document
{"ids":["doc_1","external_id_2"]}
```
</CodeGroup>

The v5 array accepts 1–100 Supermemory or caller-defined IDs. Inspect both `deletedCount` and per-ID `errors`; HTTP success can include partial failures.

### Forget memories

| Legacy intent | v5 operation |
| --- | --- |
| Forget exact IDs | `DELETE /ns/{namespace}/memories` with `{ "ids": [...] }` |
| Find memories by meaning | `DELETE /ns/{namespace}/memories/semantic` with `{ "query": "...", "dryRun": true }` |

Both return `{ count, matches, errors }`. For drift-free semantic deletion, preview with `dryRun: true`, review the IDs, then submit them to the exact-ID endpoint.

See [memory forgetting](./api-v5-memory-forgetting) for the complete dry-run, approval, response, and audit workflow.

### Verification

- Assert requested empty includes are `[]`, while omitted includes are absent.
- Paginate each resource type until `currentPage >= totalPages`; unselected arrays stay empty.
- Verify chunk rows contain their parent `documentId`.
- Exercise partial document-delete failures and semantic dry runs.
- Verify IDs cannot read, list, or delete content outside their namespace.