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API · /netports-api

Network Ports API

healthy 3,842 Subscribers

The official IANA Service Name and Transport Protocol Port Number registry as an API — 12,500+ TCP, UDP, SCTP and DCCP port assignments. Look up what service runs on a port (e.g. 443 → https), find which port(s) a named service uses (e.g. ssh → 22), and search the registry by service or description. A handy reference for networking, DevOps, security and firewall tooling.

#network-ports #iana #tcp #udp #networking #devtools
api.oanor.com/netports-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
74 ms
Server probes · 24h
Subscribers
3,842
active
Total calls
340
last 7 days
status Full status page → · 16 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 3,000 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 3,000 calls/month
  • 3 req/sec
  • Port + service lookup
  • No credit card
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Starter

€5.00 /month

  • 50,000 calls / month
  • 10 requests / second
  • Hard cap (429 above quota, no overage)
  • 50k calls/month
  • 10 req/sec
  • Search + protocol filter
  • Email support
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Pro

€12.00 /month

  • 300,000 calls / month
  • 25 requests / second
  • Hard cap (429 above quota, no overage)
  • 300k calls/month
  • 25 req/sec
  • Security / firewall tooling
  • Priority support
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Mega

€32.00 /month

  • 1,500,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1.5M calls/month
  • 50 req/sec
  • Embed in product
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

IP Protocol Numbers API

The IANA "Assigned Internet Protocol Numbers" registry as an API — the 8-bit value carried in the IPv4 Protocol field (and IPv6 Next Header) that identifies the encapsulated protocol. Resolve any number to its protocol (e.g. 6 → TCP, 17 → UDP, 1 → ICMP, 47 → GRE, 50 → ESP, 58 → IPv6-ICMP, 89 → OSPF, 132 → SCTP), look up by keyword, search by name, or list all 151 assigned protocols — each with its keyword, full name, IPv6-extension-header flag and defining RFC. Ideal for packet/firewall tooling, network analysis, NetFlow/IPFIX decoders and protocol documentation. (Distinct from transport-layer service port numbers.)

api.oanor.com/ipprotocols-api

URI Schemes API

The IANA Uniform Resource Identifier (URI) Schemes registry as an API — all 413 registered schemes (http, https, mailto, tel, ftp, ssh, magnet, bitcoin, geo, did, …). Look up any scheme to get its description, registration status (Permanent, Provisional or Historical) and defining reference; search by name or description; or list all schemes filtered by status. Ideal for URL parsers and validators, link handlers, deep-linking, security allow-lists and developer tooling that needs to recognise or vet URI schemes.

api.oanor.com/urischemes-api

HTTP Reference API

A clean, programmatic reference for HTTP semantics, built on the official IANA registries. Look up any status code with its reason phrase and class (404 → Not Found, Client Error; 503 → Service Unavailable, Server Error), list a whole class (4xx, 5xx…); look up any method with its safe/idempotent flags (GET → safe + idempotent, POST → neither, DELETE → idempotent); or look up / search the 255 registered HTTP header fields (Content-Type, Authorization, …) with their registration status. Ideal for API tooling, HTTP clients, documentation, linters, learning resources and error pages.

api.oanor.com/http-api

DNS Propagation API

Check DNS propagation by querying a record across several major public resolvers at once — Google (8.8.8.8), Cloudflare (1.1.1.1), AdGuard and dns.sb — and seeing whether they all return the same answer. Pass a domain and a record type and the service queries every resolver in parallel and reports each resolver's answers, whether they are consistent (the change has fully propagated) or still differ (mid-propagation, stale caching or split-horizon DNS), the number of distinct answer sets and the union of all answers. Supported record types: A, AAAA, CNAME, MX, TXT, NS, SOA, SRV, CAA and PTR. A single-resolver endpoint queries one named resolver on its own, and a failing resolver is reported per-resolver without failing the whole call. Live DoH (DNS-over-HTTPS) JSON queries, always current. Built for verifying DNS changes after a migration or launch, debugging split-horizon or stale-cache issues, and uptime/propagation monitoring. A DNS propagation checker — distinct from single-resolver record lookup (dns), the email-authentication analyzer (emailsec) and WHOIS (whois). No upstream key, no cache.

api.oanor.com/dnspropagation-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Network Ports API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Network Ports API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Network Ports 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 Network Ports API cost?
Network Ports API has a free tier with 100 calls / month. Paid plans start at €5.00 / 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 Network Ports API GDPR-compliant?
All requests to Network Ports 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/netports-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/netports-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/netports-api/SOME_PATH");
curl_setopt($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/netports-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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