---
title: "The evidence log's head as a C2SP checkpoint"
method: GET
path: "/tlog/evidence-v2/checkpoint"
tags: ["Evidence"]
---

# The evidence log's head as a C2SP checkpoint

`GET /tlog/evidence-v2/checkpoint`

## Request

- Base URL: `https://api.riskrouter.eu`
- URL: `https://api.riskrouter.eu/tlog/evidence-v2/checkpoint`
- Auth: none declared

A signed note (c2sp.org/tlog-checkpoint): origin api.riskrouter.eu/tlog/evidence-v2, tree size, base64 root, signed with the log's Ed25519 key. The same tree as GET /api/v2/evidence/head. The tree's hash tiles are served beside it at /tlog/evidence-v2/tile/<L>/<N>[.p/<W>] (c2sp.org/tlog-tiles); entry bundles are not published.

## Response `200`

The checkpoint.

## Other responses

- `503`: CHECKPOINT_NOT_SIGNED: no checkpoint key is bound, or it is not the published one.

---

[API](https://skmtc.dev/riskrouter/apis/riskrouter-api.md) · [All operations](https://skmtc.dev/riskrouter/apis/riskrouter-api/llms.txt) · [OpenAPI document](https://skmtc.dev/riskrouter/apis/riskrouter-api/revisions/5fee45dc6d1f?raw)