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API · /moon-api

Moon API

healthy 4,339 Subscribers

Everything about the Moon from one fast, fully-local API. Get the current (or any date) lunar phase with illumination percentage, age in days, phase angle and waxing/waning state, plus the matching emoji; list the upcoming principal phases (new, first quarter, full, last quarter) with accurate UTC timestamps; render a full monthly lunar calendar; and look up the Moon’s zodiac sign and ecliptic longitude. Phase instants are computed with Jean Meeus’ astronomical algorithms and are accurate to about a minute. Every endpoint takes an optional ISO date and works by GET or JSON POST. Pure server-side compute with no third-party upstream, so responses are instant and always available. Ideal for calendar and weather apps, photography and astronomy tools, gardening, fishing and astrology features.

#moon #lunar #astronomy #phase #calendar #astrology
api.oanor.com/moon-api
Get an API key Try in playground → Contact provider

Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
70 ms
Server probes · 24h
Subscribers
4,339
active
Total calls
20
last 7 days
status Full status page → · 20 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 1,000 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,000 requests/month, 2 req/s
  • Phase, emoji, next phases, calendar & moon sign
  • Minute-accurate (Meeus)
  • No credit card
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Basic

€3.00 /month

  • 20,000 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 20,000 requests/month, 5 req/s
  • Illumination, age & phase angle
  • Monthly lunar calendar
  • Commercial use, email support
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Pro

€10.00 /month

  • 150,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 150,000 requests/month, 15 req/s
  • High-volume calendar generation
  • Moon zodiac sign & longitude
  • Priority email support
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Mega

€22.00 /month

  • 1,000,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 1,000,000 requests/month, 40 req/s
  • App-scale lunar data
  • Maximum concurrency
  • Priority support
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Built by

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PremiumApi

Related APIs

Other APIs with overlapping tags.

Astronomy API

A fast, fully-local astronomy and ephemeris engine: compute the equatorial (right-ascension/declination) and horizontal (azimuth/altitude) positions of the Sun, Moon and all planets for any observer and moment, get precise rise, set and transit (culmination) times for any body, read detailed lunar state (phase angle, named phase, illuminated fraction, apparent magnitude, geocentric distance, age since the last new moon and the dates of the next new/first-quarter/full/last-quarter moons), and list the exact equinoxes and solstices of any year. Every endpoint accepts input via the query string or the request body. Pure server-side computation (no third-party upstream), so responses are instant and always available. Ideal for weather and tide apps, astrophotography planners, calendars, solar/energy tools, Islamic and lunar calendars, and education.

api.oanor.com/astronomy-api

Space Launch API

Track rocket launches from around the world. List upcoming and past launches with launch windows and live status, search by rocket or mission, get full detail for any launch, browse the space agencies behind them, and follow upcoming spaceflight events. Every launch comes as a clean record with the rocket configuration and family, launch service provider, mission name, type, orbit and description, pad and location, weather probability, webcast-live flag and imagery — sourced from The Space Devs’ Launch Library 2. Delivered through a fast, reliable API, ideal for countdown widgets, space-news sites, education tools, calendars and hobbyist apps.

api.oanor.com/spacelaunch-api

Spaceflight News API

Latest space news — articles and blog posts about rockets, launches, missions and astronomy, aggregated from dozens of sources (SpaceNews, NASA, ESA, Spaceflight Now and more). Search the archive by keyword or fetch a single article. Great for space dashboards, newsletters, aggregators and education apps.

api.oanor.com/spacenews-api

NASA Images API

Search the NASA Image and Video Library — Apollo, Hubble, Mars rovers, the ISS and decades of mission imagery — and fetch the asset file URLs in every resolution for any item. Great for space, education, media, wallpaper and museum apps. All NASA media is public domain.

api.oanor.com/nasa-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Moon API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Moon API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Moon 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 Moon API cost?
Moon API has a free tier with 100 calls / month. Paid plans start at €3.00 / 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 Moon API GDPR-compliant?
All requests to Moon 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/moon-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/moon-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/moon-api/SOME_PATH");
curl_setopt($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/moon-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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