---
title: "Send the signed tree heads a client was shown ({sths: [...]}, at most 50). Each is checked for its digest, CrawlCheck's signature and the head this log holds: consistent, fork or ignored"
method: POST
path: "/api/v1/log/gossip"
---

# Send the signed tree heads a client was shown ({sths: \[...\]}, at most 50). Each is checked for its digest, CrawlCheck's signature and the head this log holds: consistent, fork or ignored

`POST /api/v1/log/gossip`

## Request

- Base URL: `https://crawlcheck.io`
- URL: `https://crawlcheck.io/api/v1/log/gossip`
- Auth: none required

## Request body

- object

## Response `200`

per-head results

- object, nullable
  - `ok` boolean, nullable
  - `results` object[], nullable
    - `batch` number, nullable
    - `sha256` unknown
    - `state` string, nullable
  - `forks_known` number, nullable

## Other responses

- `400`: no heads

---

[API](https://skmtc.dev/crawlcheck/apis/crawlcheck-api.md) · [All operations](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crawlcheck/apis/crawlcheck-api/revisions/57acbd6d4489?raw)