$0.015
per call · USD Coin on Base
One-shot reachability: DNS, leaf TLS, and origin headers for one hostname in a single settle. Use when you need live up/degraded/down and must not guess. Child errors stay in-field; we do not invent data.
Endpoint
GET https://api.fetchx402.com/v1/bundles/uptime-check1
Calls / 30d
1
Unique payers / 30d
Aug 16
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://api.fetchx402.com/v1/bundles/uptime-check", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://api.fetchx402.com/v1/bundles/uptime-check?domain=example.com" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"dns": {
"domain": "example.com",
"rcode": "NOERROR",
"records": [
{
"address": "104.20.23.154"
}
],
"resolver": "1.1.1.1",
"ttl": 20,
"type": "A"
},
"domain": "example.com",
"headers": {
"domain": "example.com",
"headers": {
"access-control-allow-origin": null,
"cache-control": "max-age=604800",
"content-security-policy": null,
"content-security-policy-report-only": null,
"content-type": "text/html",
"cross-origin-opener-policy": null,
"cross-origin-resource-policy": null,
"location": null,
"permissions-policy": null,
"referrer-policy": null,
"server": "ECS (nyb/1D2A)",
"strict-transport-security": "max-age=31536000",
"www-authenticate": null,
"x-content-type-options": null,
"x-frame-options": null,
"x-powered-by": null
},
"method": "HEAD",
"peer_ip": "23.215.0.138",
"status": 200,
"url": "https://example.com/"
},
"ssl": {
"cipher": "aes_256_gcm_sha384",
"domain": "example.com",
"expired": false,
"fingerprint_sha256": "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
"hostname_match": true,
"issuer": "CN=DigiCert Global G3 TLS ECC SHA384 2020 CA1, O=DigiCert Inc, C=US",
"not_after": "2027-01-15T23:59:59Z",
"not_before": "2026-01-15T00:00:00Z",
"not_yet_valid": false,
"peer_ip": "23.215.0.138",
"port": 443,
"sans": [
"www.example.org",
"example.com",
"example.net",
"example.org"
],
"serial": "0f1a2b3c4d5e6f708192a3b4c5d6e7f8",
"signature_algorithm": "ecdsa-with-SHA384",
"sni": "example.com",
"subject": "CN=www.example.org, O=Internet Corporation for Assigned Names and Numbers, C=US",
"tls_version": "tlsv1.3"
},
"verdict": "up"
}Payment details
0x33236133bece789d551d0b5c4f9a50095d4b57d3USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Other and the homepage with a featured placement.
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