Update a memory
⚠️
Preview — this feature is being built; the design below is the spec.
PATCH https://app.syntic.ai/v1/memory_stores/{store_id}/memories/{memory_id}Correct a memory’s text, tags or expiry. The memory keeps its id and source; updated_at changes.
For how this fits into a full workflow, see Memory stores.
Headers
| Header | Required | Value |
|---|---|---|
Authorization | Yes | Bearer <key>: a private inference key (sk_live_...). See Authentication. |
syntic-beta | Yes, while in preview | agents-2026-11-01. Without it the call fails with 400 beta_required. See Versioning. |
Content-Type | Yes | application/json |
Path parameters
| Parameter | Type | Description |
|---|---|---|
store_id | string | The memory store id, starting with mem_. |
memory_id | string | The memory id, starting with mmr_. |
Body parameters
| Parameter | Type | Required | Notes |
|---|---|---|---|
content | string | No | New text. |
tags | array of strings | No | Replaces the tags. |
expires_at | string or null | No | null keeps it forever. |
Response
200 OK, Content-Type: application/json
{
"id": "mmr_01JC8D1F3H5K7M9P1R3T",
"store_id": "mem_01JC1A3C5E7G9J1L3N5Q",
"scope": "customer:4821",
"content": "Prefers replies by email. Bulk discount agreed at 8% from November 2026.",
"tags": [
"preference"
],
"source": {
"kind": "agent",
"session_id": "sesn_01JC7M2K4P6R8T0V2X4Z",
"agent_id": "agt_01JC4R8W6Q2N9X3T5V7Y"
},
"created_at": "2026-11-05T10:00:15Z",
"updated_at": "2026-11-09T14:00:00Z",
"expires_at": "2027-11-05T10:00:15Z"
}Examples
curl -sS -X PATCH https://app.syntic.ai/v1/memory_stores/mem_01JC1A3C5E7G9J1L3N5Q/memories/mmr_01JC8D1F3H5K7M9P1R3T \
-H "Authorization: Bearer $SYNTIC_API_KEY" \
-H "syntic-beta: agents-2026-11-01" \
-H "Content-Type: application/json" \
-d '{
"content": "Prefers replies by email. Bulk discount agreed at 8% from November 2026."
}'Errors
Errors use the error envelope and carry a request_id. Codes specific to this operation:
| Status | type | code | When |
|---|---|---|---|
| 400 | invalid_request_error | beta_required | The syntic-beta header is missing. |
| 400 | invalid_request_error | content_too_long | Over 4,000 characters. |
| 404 | not_found_error | memory_store_not_found | No store with that id in this workspace. |
| 404 | not_found_error | memory_not_found | No memory with that id in the store. |
| 401 | authentication_error | invalid_api_key | The key is missing, unknown, revoked or expired. |
| 429 | rate_limit_error | rate_limited | Too many requests; wait for Retry-After. See Rate-limit headers. |
Related
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