---
title: "Aggregate mutation statistics for a user's memory store."
method: GET
path: "/v1/memories/audit/summary"
tags: ["Audit"]
---

# Aggregate mutation statistics for a user's memory store.

`GET /v1/memories/audit/summary`

## Query parameters

- `user_id` string, required

## Response `200`

Mutation summary.

- object — Aggregate mutation statistics for a user.
  - `active_versions` number, required
  - `by_mutation_type` object, required
  - `superseded_versions` number, required
  - `total_claims` number, required
  - `total_versions` number, required

## Other responses

- `400` — Input validation error
- `500` — Internal server error
- `502` — Upstream AI provider returned an unrecoverable failure (auth, non-retryable 4xx).
- `503` — Upstream AI provider is rate-limited, quota-exhausted, or returned 5xx; consult `retryable`.

---

[API](https://skmtc.dev/atomicstrata/apis/atomicmemory-http-api.md) · [All operations](https://skmtc.dev/atomicstrata/apis/atomicmemory-http-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/atomicstrata/atomicmemory-http-api/revisions/d501daa39bb2/schema)