$0.002
per call · USD Coin on Base
Enriched quote for an x402 endpoint: probes it unpaid (never pays, SSRF-checked), decodes {price, asset, network, payTo}, then compares the USD price against the live Bazaar market for its category → {marketContext:{category, medianForCategory, cheaperThanMarket}}. Not just how much, but whether it's fair. Market context is best-effort; the decoded quote returns even if the Bazaar read fails. Neutral — our own endpoints are never featured.
Endpoint
GET https://402utils.com/v1/x402-quote4
Calls / 30d
3
Unique payers / 30d
Sep 9
Last called
exact
Payment scheme
Call this service
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://402utils.com/v1/x402-quote", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://402utils.com/v1/x402-quote?url=https%3A%2F%2F402utils.com%2Fv1%2Frss-to-json" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "Fetch an RSS 2.0 or Atom feed and return clean JSON.",
"isX402": true,
"marketContext": {
"category": "rss",
"cheaperThanMarket": true,
"medianForCategory": 0.003,
"sampleSize": 4
},
"network": "eip155:8453",
"payTo": "0x209693Bc6afc0C5328bA36FaF03C514EF312287C",
"price": "2000",
"priceUsd": 0.002,
"resource": "https://402utils.com/v1/rss-to-json",
"status": 402
}Payment details
0xc55a2d530b53cbad1001e4afd4720b7e71f9c291USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Market Data and the homepage with a featured placement.
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Domain availability and expiry intelligence via RDAP, the WHOIS successor. Queries the authoritative registry for any RDAP-enabled TLD: free domains return registered:false, taken ones return registrar, creation and expiry dates, nameservers and EPP status codes. TLDs without RDAP coverage return supported:false. Built for agents that buy, monitor or vet domains.
402utils · RSS TO Json
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Fetch an RSS 2.0 or Atom feed and return clean JSON: feed title, link and description, plus items with title, link, ISO-8601 publishedAt, summary and author. Handles both formats and normalises the dates. The caller-supplied URL is SSRF-checked; the fetch is capped at 2 MB and 8 s.
402utils · Echo
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Echoes back the JSON body you send, with a server timestamp. Useful for verifying your x402 client integration end to end.