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API · /numerology-api

Numerology API

healthy 4,072 Subscribers

Pythagorean numerology as an API, computed locally and deterministically. The lifepath endpoint takes a birth date and returns the Life Path number — the single most important number in numerology — by reducing the month, day and year and summing them, with the master numbers 11, 22 and 33 preserved, and it also gives the Birthday number. The name endpoint maps the letters of a name to digits (A=1…I=9, repeating) and returns the Expression (Destiny) number from all letters, the Soul Urge (Heart's Desire) from the vowels, and the Personality number from the consonants, with a full per-letter breakdown. The personal endpoint forecasts the Personal Year, Personal Month and Personal Day for any target date from a birth month and day. Every number comes with its classic meaning, the raw total and the full reduction chain so you can show your working. Accents and punctuation are stripped, dates accept YYYY-MM-DD or DD-MM-YYYY. Everything is computed locally and deterministically, so it is instant and private. Ideal for astrology and self-discovery apps, dating and personality products, content and entertainment sites, and novelty widgets. For entertainment and self-reflection. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is numerology; for sun-sign zodiac use a zodiac API and for tarot draws use a tarot API.

#numerology #life-path #pythagorean #astrology #personality #developer-tools
api.oanor.com/numerology-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
96 ms
Server probes · 24h
Subscribers
4,072
active
Total calls
44
last 7 days
status Full status page → · 20 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 12,735 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 12,735 calls/month
  • 2 req/sec
  • Life path + name + personal
  • No credit card
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Starter

€14.25 /month

  • 22,350 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 22.35k calls/month
  • 8 req/sec
  • Expression, Soul Urge, Personality
  • Email support
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Pro

€34.15 /month

  • 273,500 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 273.5k calls/month
  • 20 req/sec
  • Astrology / dating pipelines
  • Priority support
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Mega

€72.15 /month

  • 1,410,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 1.41M calls/month
  • 50 req/sec
  • Platform scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Gematria API

Gematria and isopsephy as an API, computed locally and deterministically — turning words into the numeric sums of their letters. The hebrew endpoint computes Hebrew gematria: the standard value (Mispar Hechrachi) that adds the base value of each letter (alef 1, bet 2 … tav 400), the gadol value that counts the five final letters as 500–900, and the reduced digital root; for example שלום (shalom) is 376. The greek endpoint computes Greek isopsephy with the Milesian numeral system (alpha 1 … omega 800, plus the archaic stigma 6, koppa 90 and sampi 900), case-insensitively; for example λογος (logos) is 373. The english endpoint computes English gematria three ways — the ordinal or simple value (a 1 … z 26), the Pythagorean value that reduces each letter to a single digit 1–9, and the Sumerian value (ordinal × 6) — with the digital root; for example HELLO is 52 ordinal. Non-letter characters are ignored and unrecognised letters are listed. Everything is computed locally and deterministically, so it is instant and private. Ideal for word-game, puzzle, esoteric, study and language app developers, name-numerology and text-analysis tools, and Bible and classics study. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 endpoints. This is letter-value gematria; for Roman numerals use a Roman-numeral API and for general number bases a base-conversion API.

api.oanor.com/gematria-api

Zodiac API

Turn a birth date into zodiac signs as an API. Get the Western (tropical) sun sign for any date — its symbol, element (Fire, Earth, Air, Water), quality, ruling planet, polarity, key traits and the signs it is most compatible with (e.g. 15 July → Cancer, Water, ruled by the Moon). Look up a sign by name, get the Chinese zodiac animal, element and yin/yang for any year (e.g. 2020 → Metal Rat), or fetch both Western and Chinese signs from a full birth date at once. Everything is computed locally, so it is fast and always available. Ideal for horoscope and astrology apps, dating and matchmaking, onboarding personalisation, content sites and fun widgets.

api.oanor.com/zodiac-api

Moon API

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.

api.oanor.com/moon-api

Water Well API

Water-well maths as an API, computed locally and deterministically — the casing, yield and pump-setting numbers a well driller, pump installer or rural homeowner works to. The casing-volume endpoint gives the standing water in a well: gallons per foot = π/4 · diameter² × 12 ÷ 231 (about 1.47 gal/ft for a 6-inch casing, 0.65 for a 4-inch) times the water column, so 100 feet of water in a 6-inch casing holds about 147 gallons — the figure you need to purge a few well volumes before sampling or to dose shock-chlorination. The specific-capacity endpoint turns a drawdown test into how freely the well gives up water: specific capacity = pumping rate ÷ drawdown (gpm per foot), and the projected yield ≈ that times the available drawdown — 15 GPM at 20 feet of drawdown is 0.75 gpm/ft and roughly 45 GPM at 60 feet. The pump-setting endpoint gives the depth to hang the pump: static water level + drawdown + submergence (typically 10–20 feet), so it never air-locks as the level draws down, with a check against the well depth. Everything is computed locally and deterministically, so it is instant and private. Ideal for well-drilling and pump-installer apps, rural-water and homeowner tools, hydrogeology calculators, and trade aids. Pure local computation — no key, no third-party service, instant. Live, nothing stored. 3 compute endpoints. Estimates — verify with a real drawdown test. For pump power/head use a pump API; for well chlorination use a pool-chemistry API.

api.oanor.com/wellpump-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Numerology API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Numerology API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Numerology 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 Numerology API cost?
Numerology API has a free tier with 100 calls / month. Paid plans start at €14.25 / 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 Numerology API GDPR-compliant?
All requests to Numerology 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/numerology-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/numerology-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/numerology-api/SOME_PATH");
curl_setopt($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/numerology-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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