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API · /heritage-api

World Heritage API

healthy 4,534 Subscribers

Every UNESCO World Heritage Site as an API — all 1,236 inscribed sites worldwide (cultural, natural and mixed) from the official UNESCO World Heritage List. Look up any site by its WHC id (e.g. Galápagos Islands, Machu Picchu, Historic Centre of Rome) with its country, exact coordinates, the year it was inscribed and the UNESCO selection criteria. Search and filter by name, country, category (cultural / natural / mixed) and inscription year, or find every World Heritage Site near any coordinate by great-circle distance. Ideal for travel, tourism, maps, education and cultural-discovery apps.

#world-heritage #unesco #travel #culture #tourism #geography
api.oanor.com/heritage-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
85 ms
Server probes · 24h
Subscribers
4,534
active
Total calls
264
last 7 days
status Full status page → · 16 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 4,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 4,000 calls/month
  • 2 req/sec
  • Lookup + search + nearby
  • No credit card
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Starter

€5.00 /month

  • 48,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 48k calls/month
  • 8 req/sec
  • Country / category / year filters
  • Email support
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Pro

€13.00 /month

  • 240,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 240k calls/month
  • 20 req/sec
  • Travel / maps / discovery apps
  • Priority support
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Mega

€34.00 /month

  • 1,200,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1.2M calls/month
  • 50 req/sec
  • Tourism platform
  • Dedicated SLA
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api.oanor.com/nationalparks-api

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Castles around the world as an API — 17,000+ castles from Wikidata with their country, geographic coordinates and the year they were built. Search and filter castles by name, country and build-year range, or find every castle near any coordinate by great-circle distance (perfect for "castles near me" features). Spanning Germany, Italy, France, Spain, the UK and 100+ countries, it is ideal for travel, tourism, maps, history, education and trivia apps. Open data from Wikidata.

api.oanor.com/castles-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

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

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