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API · /hostcheck-api

Host Check API

healthy 3,304 Subscribers

Check whether a host or website is reachable from dozens of locations around the world as an API, powered by check-host.net. Run an ICMP ping, an HTTP request, a TCP-port connect or a DNS resolution from many countries at once and get a per-node breakdown — reachable or not, response time, resolved IP, HTTP status code or DNS records — plus an aggregate "reachable from X of N nodes". Perfect for answering "is it down for everyone, or just me?", monitoring global uptime and latency, verifying CDN and geo-routing, debugging firewalls and regional blocks, and powering status pages. Also lists every available worldwide check node. No accounts, no agents to install.

#uptime #ping #network #monitoring #host-check #reachability
api.oanor.com/hostcheck-api
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Machine-readable spec so AI agents can integrate this API.

/api/hostcheck-api/openapi.json
/api/hostcheck-api/llms.txt

Discovery: GET /api/index.json lists every API.

Host Check API — live data on the oanor API marketplace

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
1451 ms
Server probes · 24h
Subscribers
3,304
active
Total calls
114
last 7 days
status Full status page → · 18 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 3,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,000 calls/month
  • 2 req/sec
  • Ping, HTTP, TCP, DNS from 5 nodes
  • No credit card
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Starter

€6.90 /month

  • 42,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 42k calls/month
  • 8 req/sec
  • Up to 20 nodes per check
  • Email support
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Pro

€19.90 /month

  • 210,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 210k calls/month
  • 20 req/sec
  • Uptime & status pages
  • Priority support
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Mega

€49.90 /month

  • 1,050,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1.05M calls/month
  • 50 req/sec
  • Monitoring platforms
  • Dedicated SLA
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Read Sui's network state live from a public Sui fullnode JSON-RPC endpoint — no key. Sui is a high-throughput, object-centric Move Layer 1; its ledger advances in checkpoints (its block equivalent) and reconfigures each epoch. The Sui on-chain reader resolves owned objects and the validator reader surfaces the validator set, but neither exposes the latest checkpoint, the epoch-level network economics, or a coin type's metadata. This opens that. Read the latest checkpoint with its epoch, sequence number, digest, lifetime network transaction count and rolling gas-cost summary (computation and storage costs in SUI); read the current epoch's economics — reference gas price, total stake in SUI, active validator count, storage-fund balances and protocol version; and resolve any Move coin type (e.g. 0x2::sui::SUI) to its on-chain metadata — decimals, name, symbol, description and icon. The network / epoch / coin-metadata layer for Sui explorers, wallets, fee estimators and analytics. Distinct from the Sui on-chain object reader, the validator reader and the Move-module reader. Live from RPC; short cache only.

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Solana Network Status API

The live performance and monetary health of the Solana blockchain, read straight from public Solana RPC nodes, no key. Solana is one of the highest-throughput blockchains in crypto, and its network state — how fast it is processing transactions right now, where it is in the current staking epoch, how much SOL exists and how fast new SOL is being minted — is the heartbeat that traders, validators and builders watch. The status endpoint is the live dashboard: the current epoch and how far through it the chain is (with an estimate of the time left until the next epoch), the absolute slot and block height, the lifetime transaction count, the current transactions-per-second, the average slot time and the node health. The supply endpoint returns the SOL money supply — total, circulating and non-circulating — with the circulating share and the live inflation rate broken into its validator and foundation parts. The performance endpoint returns the recent throughput samples — transactions, slots and TPS over the last few one-minute windows — so you can see whether the chain is speeding up or slowing down. This is the Solana network performance / monetary cut, distinct from the Solana validators feed (which ranks validators by stake and measures decentralisation), and from the price, DeFi and on-chain-token feeds. SOL amounts are in whole SOL (converted from lamports); rates are percentages; everything is live. Built for crypto dashboards, trading and infrastructure-monitoring tools.

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IP Exposure API

See what any host exposes to the internet — as an API over Shodan's free InternetDB. Give it an IPv4/IPv6 address (or a hostname, which is resolved to its IP) and get that host's attack surface: the open ports (annotated with common service names), the products and technologies detected on it (CPEs), its reverse hostnames, Shodan's classification tags, and the known vulnerabilities (CVE identifiers) observed on its services. A dedicated vulnerabilities view returns just the CVEs and whether the host appears vulnerable. It is fast, requires no key, and is built for security, asset-discovery, external attack-surface monitoring and reconnaissance workflows. A network-exposure / attack-surface resource — distinct from IP geolocation (where an address is), the IANA port registry (what a port number means) and CVE databases (what a vulnerability is). Data from Shodan InternetDB (free / non-commercial use).

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RIPEstat API

Internet routing and number-resource intelligence as an API, powered by RIPEstat — the open data service of the RIPE NCC, one of the world's five Regional Internet Registries. Answer the questions network engineers, security teams and researchers ask about the public internet: which Autonomous System and prefix does an IP address belong to; what is an AS (its operator/holder name, whether it is currently announced in BGP, its type and registration block); which IPv4 and IPv6 prefixes does an AS announce; who are an AS's BGP neighbours and peers (and how many); who is the abuse-reporting contact for an IP, prefix or ASN, and which RIR is authoritative; and is a prefix correctly originated according to RPKI route-origin validation (valid, invalid or unknown) with the matching ROAs. The data is real-time, drawn from the RIPE NCC's global network of BGP route collectors and the registries. Inputs accept IPv4 and IPv6 addresses, CIDR prefixes and AS numbers (with or without the AS prefix). Ideal for network operations, threat intelligence and abuse handling, BGP and RPKI monitoring, IP reputation and OSINT tooling, and internet research. Data from the RIPE NCC RIPEstat service.

api.oanor.com/ripestat-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Host Check API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Host Check API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Host Check API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Host Check API cost?
Host Check API has a free tier with 100 calls / month. Paid plans start at €6.90 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Host Check API GDPR-compliant?
All requests to Host Check API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/hostcheck-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/hostcheck-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/hostcheck-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/hostcheck-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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