---
title: "Paid: Feed Health"
method: POST
path: "/api/x402/feed-health"
---

# Paid: Feed Health

`POST /api/x402/feed-health`

## Request

- Base URL: `https://three.ws`
- URL: `https://three.ws/api/x402/feed-health`
- Auth: none required

three.ws Feed Health Validator — fetches a named public feed (changelog RSS, sitemap, etc.) and returns a structural health verdict: { valid, item_count, latest_title }. Pays $0.001 USDC per check. Supported feeds: changelog_rss. The latest_title is cross-checked against the canonical changelog record so both a broken XML feed and a stale/diverged feed surface as valid:false.

## Request body

- object
  - `feed` 'changelog_rss', required

## Response `200`

three.ws Feed Health result JSON

## Other responses

- `400`: Validation error
- `402`: Payment Required (x402)

---

[API](https://skmtc.dev/three/apis/three-ws-api.md) · [All operations](https://skmtc.dev/three/apis/three-ws-api/llms.txt) · [OpenAPI document](https://skmtc.dev/three/apis/three-ws-api/revisions/dbc5e3a81b79?raw)