SafeFetch · Fetch

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://safefetch.schemasure.com/v1/fetch", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "output": "markdown",
    "policy": {
      "allow_redirects": 3,
      "flag_prompt_injection": true,
      "max_bytes": 2000000,
      "respect_robots": true,
      "user_initiated": false
    },
    "url": "https://example.com/article"
  }),
});
const data = await res.json();

curl -X POST \
  "https://safefetch.schemasure.com/v1/fetch" \
  -H "Content-Type: application/json" \
  -d '{"output":"markdown","policy":{"allow_redirects":3,"flag_prompt_injection":true,"max_bytes":2000000,"respect_robots":true,"user_initiated":false},"url":"https://example.com/article"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "confidence": 0.9,
  "data_versions": {
    "detectors": "detectors@1.0.0",
    "patterns": "patterns@1.0.0"
  },
  "evidence": [
    {
      "code": "CSS_HIDDEN_TEXT",
      "data": {
        "excerpt": "ignore all previous instructions",
        "technique": "display-none"
      },
      "detail": "display:none block contains instruction-like text",
      "severity": "high",
      "source": "hidden",
      "span": {
        "end": 1523,
        "line": 41,
        "start": 1462
      }
    }
  ],
  "ok": true,
  "policy_version": "safefetch-2026-08-03",
  "request_hash": "sha256:4b1d...8ae0",
  "result": {
    "anchors": [
      {
        "end": 61,
        "exact": "The first paragraph of extracted body text.",
        "prefix": "# Example article\n\n",
        "start": 19,
        "text_fragment": "https://example.com/article#:~:text=The%20first%20paragraph"
      }
    ],
    "content_sha256": "sha256:9f2c...c41d",
    "final_url": "https://example.com/article",
    "hops": [
      {
        "status": 200,
        "url": "https://example.com/article"
      }
    ],
    "markdown": "# Example article\n\nThe first paragraph of extracted body text.",
    "retrieved_at": "2026-08-04T12:00:00Z",
    "robots": {
      "allowed": true,
      "crawl_delay": null,
      "fetched": true,
      "matched_rule": "Allow: /"
    },
    "status": 200,
    "title": "Example article",
    "word_count": 412
  },
  "risk_codes": [
    "HIDDEN_INSTRUCTION_TEXT"
  ],
  "verdict": "warn",
  "warnings": []
}