Western Astrology API
Generate accurate natal charts, zodiac horoscopes, and compatibility analysis. Tropical astrology API with 16+ endpoints. Instant access, MCP support.
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Western Astrology API Features
Get all zodiac signs - Complete zodiac signs list with dates and elements
Returns all 12 tropical zodiac signs (Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces) with essential information: name, symbol, element (fire, earth, air, water), date ranges, and short descriptions. Perfect for zodiac sign lists, horoscope widgets, birth chart calculators, astrology apps, star sign selectors, and zodiac reference tools. Use GET /signs/{identifier} for complete zodiac sign profiles with personality traits, compatibility, and detailed characteristics.
Get zodiac sign details - Complete astrology sign profile with personality traits
Retrieve comprehensive zodiac sign information for any astrological sign using lowercase ID (e.g., "aries") or case-insensitive name (e.g., "Aries", "ARIES"). Returns complete astrology profile including: element (fire, earth, air, water), modality (cardinal, fixed, mutable), ruling planet, birth date ranges, personality traits (positive, negative, keywords), zodiac sign descriptions, famous people with this sign, key strengths and qualities, sign motto, greatest gifts, challenges, and secret weapon. Perfect for horoscope readings, zodiac compatibility checks, birth chart interpretations, astrology blogs, star sign personality analysis, and zodiac meaning databases.
Get all planet meanings - Complete astrology planet interpretations list
Returns all 10 astrological planets (Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto) with essential meanings: name, symbol, tagline, category (personal/social/generational), ruling sign, and short descriptions. Perfect for astrology reference apps, planet meaning widgets, birth chart interpretation tools, astrology learning platforms, planetary keywords reference, and zodiac planet guides. Use GET /planet-meanings/{identifier} for complete planet profiles with detailed interpretations, keywords, temperature, and dignities (rulership/detriment/exultation/fall).
Get planet meaning details - Complete astrology planet interpretation
Retrieve comprehensive planet interpretation for any astrological planet using lowercase ID (e.g., "sun", "moon") or case-insensitive name (e.g., "Sun", "MOON"). Returns complete astrology meaning including: symbol, tagline, category (personal/social/generational), temperature, orbital period, retrograde status, dignities (rulership/detriment/exultation/fall), positive and negative keywords, and short/long descriptions. Perfect for birth chart readings, planet meaning lookups, astrology education, natal chart interpretation, transit meanings, planetary symbolism reference, and keyword-based interpretations.
Generate natal chart - Birth chart calculator API with houses and aspects
Calculate complete Western astrology natal chart (birth chart) with tropical zodiac. Returns all 10 planetary positions (Sun through Pluto), 12 house cusps with customizable house systems (Placidus, Whole Sign, Equal, Koch), major and minor aspects, Ascendant, Midheaven, dominant elements and modalities. Perfect for astrology apps, birth chart generators, horoscope websites, and astrological consultation tools. Accurate ephemeris data from NASA JPL.
Get planetary positions - Ephemeris calculator for all planets
Calculate accurate tropical zodiac positions for all 10 planets (Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto) for any date, time, and location. Returns longitude, latitude, zodiac sign, degree within sign, daily motion speed, and retrograde status. Perfect for transit tracking, ephemeris tables, astrology apps, and planetary position widgets. NASA JPL ephemeris accuracy.
Get current moon phase - Lunar phase calculator with zodiac sign
Get current moon phase with illumination percentage, lunar age (days since new moon), zodiac sign, and distance from Earth. Returns phase name (New Moon, Waxing Crescent Moon, First Quarter Moon, Waxing Gibbous Moon, Full Moon, Waning Gibbous Moon, Last Quarter Moon, Waning Crescent Moon) plus exact lunar position. Perfect for moon tracking apps, lunar calendars, astrology widgets, and gardening by moon phase tools.
Get upcoming moon phases - Next new moon, full moon, quarters
Get upcoming moon phase transitions (New Moon, First Quarter, Full Moon, Last Quarter) for the next weeks/months. Returns dates and phase names for each lunar quarter. Perfect for lunar event calendars, moon phase widgets, and astrology planning tools.
Get lunar calendar - Moon phases for entire month
Get complete lunar calendar showing moon phase and illumination for every day of a specific month. Perfect for creating moon phase calendars, lunar planners, and astrology event schedules.
Calculate synastry - Relationship compatibility analysis API
Calculate complete synastry (relationship compatibility) between two natal charts using Western tropical astrology. Analyzes inter-chart aspects between all planets to determine romantic, friendship, and karmic compatibility. Returns compatibility score (0-100), detailed inter-aspects with strength ratings, harmonious vs challenging aspect counts, and relationship dynamics analysis. Perfect for dating apps, matrimonial sites, relationship counseling tools, and astrology compatibility features. Based on professional astrological techniques.
Calculate house cusps - House system calculator with comparison
Calculate astrological house cusps using Placidus, Whole Sign, Equal, or Koch house systems. Returns all 12 house cusps with zodiac signs, degrees, Ascendant, and Midheaven. Use "all" parameter to compare all 4 house systems side-by-side. Perfect for astrology charts, house cusp tables, and educational tools showing house system differences. Includes accurate Ascendant and MC calculations.
Calculate planetary aspects - Aspect finder for any date and time
Calculate all major and minor aspects between planets for any date and time. Finds conjunctions (0°), oppositions (180°), trines (120°), squares (90°), sextiles (60°), and minor aspects. Returns aspect type, exact angle, orb, applying/separating status, and strength (0-100). Filter by specific planets or aspect types. Perfect for aspect tables, transit analysis, and aspect pattern detection. Uses standard Western astrology orbs.
Calculate planetary transits - Current transits with natal chart comparison
Calculate current or future planetary transits (positions of all planets now). Optionally compare transits to natal chart to find transit-to-natal aspects. Returns all 10 planet positions with signs, degrees, and speeds. When natal chart provided, includes transit aspects (transiting Sun conjunct natal Mars, etc.) with orbs and applying/separating status. Perfect for daily transit forecasts, aspect alerts, and personalized transit reports.
Calculate transit aspects to natal chart
Calculates current transiting planet aspects to natal chart planets. More detailed analysis than /transits endpoint.
Calculate solar return chart
Generates an annual solar return chart cast for the moment the Sun returns to its natal position. Used for yearly forecasting.
Calculate lunar return chart
Generates a monthly lunar return chart cast for the moment the Moon returns to its natal position. Used for monthly forecasting.
Calculate composite chart for relationship
Generates a composite chart by calculating midpoints between two natal charts. Used for relationship astrology.
Calculate relationship compatibility score
Generates a comprehensive compatibility analysis between two birth charts with scores and detailed breakdown.
Get daily horoscope for zodiac sign
Returns today's horoscope forecast for the specified zodiac sign based on current planetary transits.
Get daily horoscopes for all zodiac signs
Returns today's horoscope forecasts for all 12 zodiac signs based on current planetary transits. More efficient than making 12 separate requests.
Get weekly horoscope for zodiac sign
Returns a 7-day horoscope forecast for the specified zodiac sign based on current planetary transits. Uses the industry-standard planet-in-sign methodology to generate personalized forecasts for love, career, health, and finances.
Get monthly horoscope for zodiac sign
Returns a 30-day horoscope forecast for the specified zodiac sign based on current planetary transits. Uses the industry-standard planet-in-sign methodology to generate comprehensive monthly forecasts across all life areas.
Calculate planetary return chart
Generates a return chart for any planet when it returns to its natal position. Useful for Mercury, Venus, Mars, Jupiter, and Saturn returns.
Production-ready capabilities for your application. Click any feature to view detailed documentation and code examples.
Key Features
Everything you need from our Western Astrology API, built for production:
Natal charts with 3 house systems (Placidus, Whole Sign, Equal)
Planet meanings and interpretations
Relationship compatibility (synastry) with detailed aspect analysis
Real-time transits and personalized daily forecasts
Moon phases with lunar calendar support
Daily/weekly/monthly horoscopes in 4+ languages
17+ api endpoints covering all Western astrology needs
What You Can Build with Western Astrology API
Real-world applications and use cases for integrating Western Astrology API into your projects:
Build natal chart apps with professional-grade accuracy
Add relationship compatibility to dating and matrimonial sites
Create personalized horoscope delivery platforms
Integrate transit forecasts into wellness and lifestyle apps
Offer birth chart analysis for astrology consultation services
Power astrology content for media and entertainment platforms
Getting Started with Western Astrology API
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Next Steps
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Modern tropical astrology through precise APIs
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