---
title: "Verify audit chain and latest checkpoint at the current head"
method: GET
path: "/audit/integrity"
tags: ["Audits"]
---

# Verify audit chain and latest checkpoint at the current head

`GET /audit/integrity`

Requires an owner/admin browser session with recent MFA. Used by steward doctor to verify the live HMAC chain and the newest persisted Ed25519 checkpoint without returning signing or HMAC key material.

## Response `200`

JSON response

- object
  - `valid` boolean, required
  - `chainValid` boolean, required
  - `checkpointPresent` boolean, required
  - `checkpointValid` boolean, required
  - `checkpointAtHead` boolean, required
  - `checkpointSeq` integer, nullable, required
  - `chainHeadSeq` integer, nullable, required
  - `governedRoutes` object, required
    - `governedRoutes` integer, required
    - `nullOperationRoutes` integer, required
    - `dualModeRoutes` integer, required
    - `ok` boolean, required

## Other responses

- `400` — JSON response
- `401` — JSON response
- `403` — JSON response
- `404` — JSON response
- `409` — JSON response

## Changes

- **2026-08-17** `261a7c8070b2` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/steward-fi/apis/steward-api/changes/audit/integrity/get.md)

---

[API](https://skmtc.dev/steward-fi/apis/steward-api.md) · [All operations](https://skmtc.dev/steward-fi/apis/steward-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/steward-fi/steward-api/revisions/b88b4b97a664/schema)