---
title: "Preview Epoch"
method: POST
path: "/api/admin/knowledge-anchor/preview"
tags: ["Knowledge Anchor (admin)"]
---

# Preview Epoch

`POST /api/admin/knowledge-anchor/preview`

## Request

- Base URL: `https://api.kojiru.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.kojiru.com/api/admin/knowledge-anchor/preview`
- Auth: none declared

Compute the would-be Merkle root + counts for a window. No on-chain side effects.

## Headers

- `x-admin-token` string, nullable

## Request body

- PreviewRequest
  - `epoch_start_iso` string, nullable
  - `epoch_end_iso` string, nullable

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/kojiru/apis/kojiru-api.md) · [All operations](https://skmtc.dev/kojiru/apis/kojiru-api/llms.txt) · [OpenAPI document](https://skmtc.dev/kojiru/apis/kojiru-api/revisions/7974409f57cd?raw)