Kairostamp · Robots Check

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://kairostamp.com/api/v1/robots-check", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://kairostamp.com/api/v1/robots-check?url=https%3A%2F%2Fexample.com%2Fpricing&user_agent=GPTBot" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "chain_hash": "d084fff3e5d852089814f7d4d3ffe9d04d1a39ce9d2e0573a95f24cf78fb584d",
  "decision": "allowed",
  "fetched_at": "2026-08-23T05:32:12.771Z",
  "matched_rule": "Allow: /pricing",
  "matched_user_agent": "*",
  "note": "Decision derived from the origin's /robots.txt as fetched at this timestamp. Only that one file is fetched; the target URL itself is not requested and nothing is crawled. robots.txt is a crawler convention, not a legal permission.",
  "receipt_id": "85cd424c-b68b-440e-8f4f-e02147799f30",
  "robots_status": 200,
  "robots_url": "https://example.com/robots.txt",
  "target_url": "https://example.com/pricing",
  "user_agent": "GPTBot"
}