---
title: "Paid: Exploit History Check"
method: GET
path: "/api/x402/hack-check"
---

# Paid: Exploit History Check

`GET /api/x402/hack-check`

## Request

- Base URL: `https://three.ws`
- URL: `https://three.ws/api/x402/hack-check`
- Auth: none required

three.ws Exploit History Check — pay $0.002 USDC per call to run a protocol name against the full historical DeFi exploit database before you integrate, deposit, or route funds. Returns a clean / incident-history verdict, every matching incident with date, amount lost, attack technique, classification, affected chains, and recovered funds, plus market-wide loss statistics for context. Omit ?protocol= to get the latest incidents across the whole market. Live DeFiLlama hacks data, refreshed every 10 minutes; a truthful zero-match answer is a valid result, upstream outages refuse before settlement.

## Query parameters

- `protocol` string
- `limit` integer

## Response `200`

three.ws Exploit Check 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)