Build/Astrology
Astrology Namespace

Build the astrology app
people actually pay for.

The global astrology market is worth $13 billion and growing 5.7% a year. Co•Star has 20M users. The Pattern raised $10M. APlicious gives you the same JPL-grade ephemeris engine they use — with 20 ready API endpoints. No astrologers required.

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The opportunity

Real market data — not inflated to impress.

$13B
Global astrology market in 2024
Source: Grand View Research. CAGR 5.7%
20M
Users Co•Star reached in 3 years
Built on the same ephemeris data you get via APlicious
77%
Of 18–29 year olds believe in astrology
Source: YouGov. Gen Z is the primary market
$9.99
Average price for a birth chart report
Buyers convert at 4–8% on targeted traffic
2–3 wks
To ship a full natal chart app
APlicious handles all ephemeris calculation
99%+
Gross margin — pure computation
No data licensing fees, no upstream calls

5 businesses you can build this month

Revenue estimates are conservative and show the math. These are illustrative estimates, not guarantees.

Users enter birth date, time, and place. ChartMind renders an interactive natal chart with planet positions, house placements, and AI-plain-English interpretations of each aspect. Monetise via a one-time chart report ($9.99) and a subscription for daily transit updates ($4.99/month). The astrology app market generated $40M+ in the US alone in 2024.

Pricing Model
$9.99 one-time report + $4.99/month subscription
Build Time
3–4 weeks solo
Revenue Target
$5,000/month
Gross Margin
99.4% gross margin
Revenue Math

500 × $4.99 = $2,495 MRR + 300 × $9.99 = $2,997/mo in report revenue. Co•Star hit 20M users without a single astrologer on staff — the market is proven.

Endpoints Used
/astrology/natal-chart
/astrology/planet-positions
/astrology/aspects
/astrology/houses
APlicious Cost
$29 (Growth plan — 500 daily users × 1 call/day = 15,000/mo)
4 calls per chart generation per user

Starter code — ChartMind

Two parallel API calls. A complete natal chart with today's transits in under a second.

chartmind.ts
// ChartMind — Birth Chart API
// Built with APlicious Astrology namespace
// Replace YOUR_API_KEY with your key from aplicious.com/dashboard

const API_BASE = "https://aplicious.com/api/v1";
const API_KEY = "YOUR_API_KEY";

async function getNatalChart(
  birthDatetime: string,  // ISO 8601 UTC, e.g. "1990-01-01T06:30:00Z"
  lat: number,            // birth latitude
  lon: number             // birth longitude
) {
  const [chart, transits] = await Promise.all([
    fetch(`${API_BASE}/astrology/natal-chart?datetime=${encodeURIComponent(birthDatetime)}&lat=${lat}&lon=${lon}`, {
      headers: { "x-api-key": API_KEY },
    }).then(r => r.json()),

    fetch(`${API_BASE}/astrology/transits?natal_datetime=${encodeURIComponent(birthDatetime)}`, {
      headers: { "x-api-key": API_KEY },
    }).then(r => r.json()),
  ]);

  return {
    sunSign: chart.data.sun_sign.sign,           // "Capricorn"
    moonSign: chart.data.moon_sign,              // "Pisces"
    risingSign: chart.data.rising_sign,          // "Cancer"
    planets: chart.data.planets,                 // [{name, sign, degree, retrograde}]
    todayAspects: transits.data.transit_aspects, // [{transit_planet, natal_planet, aspect, orb}]
  };
}

// Example output:
// {
//   sunSign: "Capricorn",
//   moonSign: "Pisces",
//   risingSign: "Cancer",
//   planets: [{ name: "Venus", sign: "Aquarius", degree: 14, retrograde: false }],
//   todayAspects: [{ transit_planet: "Jupiter", natal_planet: "Sun", aspect: "Trine", orb: 1.2 }]
// }

All 20 endpoints

JPL-grade accuracy — the same ephemeris used by professional astrology software.

/natal-chartFull birth chart — planets, houses, aspects
/planet-positionsAll 10 planets at any datetime
/aspectsAll major + minor planetary aspects
/houses12 equal houses with ASC and MC
/transitsTransit-to-natal aspect overlay
/retrogradeCurrent retrograde planets tracker
/synastryCross-chart compatibility aspects
/compatibilitySun-sign compatibility scores
/daily-horoscopeTransit-based daily reading by sign
/solar-returnAnnual birthday chart
/progressed-sunSecondary progressed Sun position
/arabic-partsPart of Fortune + 9 other lots
/element-balanceFire/Earth/Air/Water breakdown
/dominant-planetChart ruler by placement count
/sun-signSun sign for any datetime
/moon-signMoon sign for any datetime
/rising-signAscendant sign (needs lat/lon)
/moon-phasePhase, illumination, distance
/sign-infoReference data for all 12 signs
/vertexVertex and anti-vertex positions

Start building today

Free plan · 250 API calls/month · No credit card required. The Astrology namespace is live and ready.