# API for Astrology

> API for Astrology (apiforastrology.com) is a Vedic astrology API for developers: 65 JSON endpoints for birth charts (kundli), dashas, panchang, kundli matching, transits, yogas and doshas, readings and remedies. Every answer follows a rule published in the rulebook. Sidereal zodiac with the Lahiri ayanamsa, whole-sign houses. The same key also calls a Numerology API (see below).

## Key facts (as of November 7, 2026)

- API for Astrology (apiforastrology.com) is a web API for Vedic astrology and numerology. Apps send birth details or a name as JSON over HTTPS and get JSON back.
- Two APIs on one key and one plan: the Astrology API (65 endpoints, https://apiforastrology.com/api/astrology) and the Numerology API (16 endpoints, https://apiforastrology.com/api/numerology). 81 endpoints in all.
- Astrology API features (14): Kundli and birth charts, Dashas (planetary periods), Panchang and muhurat, Hindu calendar and festivals, Kundli matching, Transits and forecasts, Daily horoscopes, Yogas and doshas, Planetary strength, Jaimini astrology, Readings and reports, Remedies, Karmic reading, Prashna (horary).
- Numerology API features (8): Core numbers, Name checker, Number checks, Compatibility, Western numbers, Personal year and dates, Baby names, Numerology report. Chaldean by default, with the Pythagorean numbers beside it.
- Free plan: $0, every endpoint, 2,000 calls and 150 reading credits a month, 90 calls a minute per live key, no card needed. A live product on the Free plan shows a "Powered by API for Astrology" link.
- Paid plans, in US dollars before tax. A year costs the same as 10 months.
  - Starter: $29 a month (the launch price until March 31, 2027, then $39), with 50,000 calls and 1,000 reading credits a month.
  - Growth: $99 a month (the launch price until March 31, 2027, then $139), with 250,000 calls and 5,000 reading credits a month.
  - Scale: $399 a month (the launch price until March 31, 2027, then $549), with 2,000,000 calls and 22,000 reading credits a month.
- Test keys: free on every plan, 1,000 calls a month and 10 a minute. Written readings come back only for the sample charts (John Doe and Jane Doe).
- Calls and reading credits: a calculation uses 1 call. A written reading uses reading credits instead: 1 for a chapter, 25 for a full astrology report (40 with the topic chapters), and 1 to 25 for a numerology answer. Failed requests use nothing.
- Readings follow 480 published rules, each with a stable ID in the rulebook (https://apiforastrology.com/astrology/rulebook). The text comes from a fixed library chosen by those rules, not from an AI model, so the same input always gets the same words.
- Glossaries: 216 Vedic astrology terms and 47 numerology terms, in plain English.
- Languages: English and Hindi (send lang=hi for Hindi). Paths, codes and error messages stay in English. Coming soon: Chinese and Spanish. Planned, with no dates yet: Tamil, Telugu, Japanese, Kannada, French, Malayalam, Portuguese, Russian and Bengali.
- Astrology method: Sidereal (Vedic) zodiac; the Lahiri ayanamsa by default, KP and Raman on request; whole sign houses. Planet positions come from NASA JPL DE440s data, for dates from 1850 to 2149.
- Accuracy: planet positions and the rising sign are tested against Swiss Ephemeris, and the tests fail if a result drifts past a set limit. The method and the current figures: https://apiforastrology.com/astrology/accuracy.

Send birth details in the body of a POST request. Authenticate with an API key in the Authorization header (Bearer) or in X-API-Key. Free test keys are available after sign-up.

Calls for calculations, reading credits for written readings. Each successful calculation uses 1 call from the monthly calls (live keys). Written readings use reading credits from the monthly allowance instead: `POST /v1/reading/section/{section_id}` 1 reading credit (3 for `forecast:year`), `POST /v1/summary` 2 reading credits, `POST /v1/karma` 2 reading credits, `POST /v1/spiritual` 2 reading credits, `POST /v1/forecast/{theme}` 3 reading credits, `POST /v1/reading/weekly` 3 reading credits, `POST /v1/varshaphal` 3 reading credits, `POST /v1/forecast/couple/{theme}` 6 reading credits, `POST /v1/report` 25 reading credits (40 with `topics=true`), `POST /v1/forecast/annual` 25 reading credits, `POST /v1/prashna` 5 reading credits and `POST /v1/prashna/kp` 5 reading credits. Credits are the same in every language, and for standard or longer text. Test keys use no credits: every successful test call counts as 1 on the test allowance, and readings work only for the sample charts (John Doe and Jane Doe). Errors and `GET /v1/health` are free. The `X-Calls-Counted` and `X-Reading-Credits-Counted` headers say what a response used. Details: https://apiforastrology.com/pricing#what-counts

## Main pages

- [Home](https://apiforastrology.com): what API for Astrology is, with a live demo call and both APIs side by side
- [Astrology API](https://apiforastrology.com/astrology): the Vedic astrology API: features, a real answer, plans and common questions
- [Numerology API](https://apiforastrology.com/numerology): the numerology API: core numbers, name and number checks, compatibility and reports
- [Services](https://apiforastrology.com/services): both APIs compared, and which one an app needs
- [Pricing](https://apiforastrology.com/pricing): the Free plan and paid plans from $29 a month, what calls and reading credits buy, and the pricing questions
- [What a call costs](https://apiforastrology.com/pricing#what-a-call-costs): what 1,000 calls, 1,000 reading credits and a full report cost on each paid plan
- [Free tools](https://apiforastrology.com/tools): 10 free tools built on the APIs, such as a kundli, kundli matching and today's panchang
- [Astrology API features](https://apiforastrology.com/astrology/features): all 14 features of the Astrology API
- [Astrology API use cases](https://apiforastrology.com/astrology/use-cases): 9 kinds of apps and how each uses the Astrology API
- [Numerology API features](https://apiforastrology.com/numerology/features): all 8 features of the Numerology API
- [Numerology API use cases](https://apiforastrology.com/numerology/use-cases): 6 kinds of apps and how each uses the Numerology API
- [Blog](https://apiforastrology.com/blog): guides and notes for teams that build astrology and numerology apps

## Docs

- [Docs hub](https://apiforastrology.com/docs): the docs for every API: quickstarts, keys, errors, and the Postman and OpenAPI files
- [Astrology docs](https://apiforastrology.com/astrology/docs): the Astrology API guides and the reference
- [Quickstart](https://apiforastrology.com/astrology/docs/quickstart): make your first call
- [Authentication and rate limits](https://apiforastrology.com/docs/authentication): keys, limits and 429 responses
- [Errors](https://apiforastrology.com/docs/errors): error codes and when to retry
- [Conventions](https://apiforastrology.com/astrology/docs/conventions): zodiac, time zones, dates and language
- [Vedic vs Western astrology](https://apiforastrology.com/astrology/docs/vedic-vs-western): why Vedic signs differ from Western ones
- [Setting the ayanamsa: Lahiri, KP and Raman](https://apiforastrology.com/astrology/docs/ayanamsa): all eight ayanamsas, and the main three at one real birth moment: the gap in arc minutes (5.8 and 86.8), what moves in a chart, and how to pick one with the `ayanamsa` field
- [Use with AI assistants](https://apiforastrology.com/astrology/docs/ai-assistants): which endpoints to offer as tools and which fields to quote
- [API reference](https://apiforastrology.com/astrology/docs/reference): all 65 endpoints
- [Charts endpoints](https://apiforastrology.com/astrology/docs/reference/charts): Planet positions, the ascendant (rising sign), aspects (each planet's influence on other houses) and planet strength. It also gives the 16 divisional charts, which split each sign into smaller parts. The bhava chalit chart, special lagnas (extra rising points) and upagrahas (sensitive points such as Gulika) are here too.
- [Dasha endpoints](https://apiforastrology.com/astrology/docs/reference/dasha): Vimshottari, Yogini and Ashtottari dashas, with the start and end dates of every period.
- [KP endpoints](https://apiforastrology.com/astrology/docs/reference/kp): KP (Krishnamurti Paddhati) astrology: Placidus house cusps, and the sign, star, sub and sub-sub lords of every planet and cusp. Each house lists its significators, the planets that give its results.
- [Panchang endpoints](https://apiforastrology.com/astrology/docs/reference/panchang): The daily panchang and its five parts, with horas (planetary hours) and rahu kaal (a daily time to avoid). It also gives choghadiya, parts of the day marked good, neutral or bad.
- [Interpretation endpoints](https://apiforastrology.com/astrology/docs/reference/interpretation): Yogas (planet combinations), doshas (chart flaws) and sade sati (Saturn's 7.5-year period). Each yoga and dosha names the classical rule it tested. Also the planet states (avasthas), each with its reason.
- [Remedies endpoints](https://apiforastrology.com/astrology/docs/reference/remedies): Remedies chosen from the chart, each with its reason: rudraksha beads, gemstones, a lucky mantra, havan and puja, and everyday remedies. Also the remedies for sade sati, kaal sarp and pitra dosha.
- [Transits endpoints](https://apiforastrology.com/astrology/docs/reference/transits): Gochar (where the planets are on a given day, compared with a birth chart), forecasts, sign changes and themes for the year.
- [Matching endpoints](https://apiforastrology.com/astrology/docs/reference/matching): Marriage matching: the 36-point ashtakoot score and the South Indian dashakoot checks. It also gives parasparam (each person's planets in the other's houses) and papa samyam (a count of harmful planets).
- [Reading endpoints](https://apiforastrology.com/astrology/docs/reference/reading): Readings by topic, daily readings, a karma reading and reports you can print.
- [Horary endpoints](https://apiforastrology.com/astrology/docs/reference/horary): Horary (prashna): a question asked at a moment, read from a chart cast for that moment and place. You pick the topic from a list; a sentence is never read. The question chart describes the tendencies of the moment and is not a promise. Some questions are refused outright (lifespan, the sex of an unborn child, lotteries and gambling, medical diagnosis, accusing a person of a crime, testing), and a moment the classical texts call unfit to judge is refused too, with the reason. A refusal is 422 and carries no reading. Every route for questions asked at a moment is in this group.
- [Muhurta endpoints](https://apiforastrology.com/astrology/docs/reference/muhurta): Festival and vrat (fasting day) dates for a year at a place, and good times to start an activity.
- [Reading sections and IDs](https://apiforastrology.com/astrology/docs/sections-and-ids): every reading section id, summary and annual forecast section, festival id and fasting-day kind
- [Full text in one file](https://apiforastrology.com/llms-full.txt): the key facts, pricing, both FAQs, every endpoint with its inputs, response fields and an example request, and both glossaries, in Markdown
- [OpenAPI document](https://apiforastrology.com/astrology/openapi.json): the full public spec, JSON
- [Postman collection](https://apiforastrology.com/astrology/postman.json): every endpoint with example requests, for Postman, Insomnia or Bruno

## Features

- [Kundli and birth charts](https://apiforastrology.com/astrology/features/kundli-birth-chart): Planetary positions, the ascendant, aspects, 16 divisional charts (vargas), chart images in North, South or East Indian style, the bhava chalit and KP charts, special lagnas and upagrahas over HTTP.
- [Dashas (planetary periods)](https://apiforastrology.com/astrology/features/dashas): Vimshottari, Yogini and Ashtottari dashas with calendar dates for every period.
- [Panchang and muhurat](https://apiforastrology.com/astrology/features/panchang-muhurat): The five limbs at a birth moment, a daily panchang with choghadiya, horas and rahu kaal, tara bala, and muhurat windows for an activity.
- [Hindu calendar and festivals](https://apiforastrology.com/astrology/features/hindu-calendar): A month calendar, Hindu festival dates, monthly fasting days (vrats) and eclipses, worked out for any place.
- [Kundli matching](https://apiforastrology.com/astrology/features/kundli-matching): Ashtakoot 36-point scores, southern dashakoot poruthams, and manglik and papa samyam comparisons.
- [Transits and forecasts](https://apiforastrology.com/astrology/features/transits-and-forecasts): Transit snapshots, dated forecasts, ingresses, annual themes and the Tajik annual chart (varshaphal), computed from the ephemeris.
- [Daily horoscopes](https://apiforastrology.com/astrology/features/horoscope): A daily horoscope for each Moon sign, and daily and weekly readings for one birth chart, with the day's panchang and transits.
- [Yogas and doshas](https://apiforastrology.com/astrology/features/yogas-and-doshas): Yogas found and not found, manglik, kaal sarp and pitra doshas, and sade sati. Each yoga and dosha states the rule it tested.
- [Planetary strength](https://apiforastrology.com/astrology/features/shadbala-ashtakavarga): Shadbala in virupas, ashtakavarga (bhinna and sarva), vimshopaka bala and the planet states (avasthas), with each part of the score returned.
- [Jaimini astrology](https://apiforastrology.com/astrology/features/jaimini): Rashi drishti, argala, chara dasha, Narayana dasha and chara karakas from the Jaimini system.
- [Readings and reports](https://apiforastrology.com/astrology/features/readings-and-reports): 32 topic readings and a printable report, including a chapter on where the chart's rules disagree.
- [Remedies](https://apiforastrology.com/astrology/features/remedies): Gemstone, rudraksha, mantra, havan, charity and fasting remedies based on a real chart.
- [Karmic reading](https://apiforastrology.com/astrology/features/karmic-reading): A reading of the Rahu-Ketu axis and the soul planet: what a person already does well and where they want to grow. No past-life claims.
- [Prashna (horary)](https://apiforastrology.com/astrology/features/prashna): A question chart (prashna) cast for the moment and place a question is asked: a plain answer, its reasons and an estimate of when. No birth details needed.

## Use cases

- [Matrimony and matchmaking sites](https://apiforastrology.com/astrology/use-cases/matrimony-platforms): Kundli matching for every profile pair: the 36-point score, manglik checks and a clear verdict. It works even for members with no birth time.
- [Astrology apps](https://apiforastrology.com/astrology/use-cases/astrology-apps): Charts, dashas, daily readings and a printable report from one API. A small team can ship a full astrology app with it.
- [Publishers and media](https://apiforastrology.com/astrology/use-cases/publishers-and-media): Daily panchang, Moon-sign horoscopes, festival dates and sky events for any city, ready to publish every day.
- [Puja and spiritual stores](https://apiforastrology.com/astrology/use-cases/puja-stores): Gemstone, rudraksha and puja suggestions tied to each customer's chart, with the reason for every one.
- [AI assistants and chatbots](https://apiforastrology.com/astrology/use-cases/ai-assistants): Real charts and plain answers for AI assistants and chatbots. Give the model a few endpoints as tools (function calling), so it quotes a computed result, not a guess.
- [Dating and compatibility apps](https://apiforastrology.com/astrology/use-cases/dating-apps): Compatibility verdicts with their reasons for dating apps. Also a reading of how two charts meet, with no score to argue over.
- [Astrologer consultation platforms](https://apiforastrology.com/astrology/use-cases/astrologer-platforms): Charts, dashas and yogas for every client, with the rule behind each answer. Send a printable report after the session.
- [Baby name apps](https://apiforastrology.com/astrology/use-cases/baby-name-apps): The birth star, its quarter and the traditional first syllable for a baby's name. It works from the birth date, time and place.
- [Gemstone and jewelry stores](https://apiforastrology.com/astrology/use-cases/gemstone-and-jewelry-stores): A gemstone picked from each customer's chart, with the reason. Also the metal, the finger and the day to first wear it.

## Free tools

- [Free kundli](https://apiforastrology.com/tools/kundli): Your Vedic birth chart: the rising sign and all nine planets, with sign, house and nakshatra.
- [Kundli matching](https://apiforastrology.com/tools/kundli-matching): The 36-point guna milan score, the manglik check and a plain verdict for two people.
- [Today's panchang](https://apiforastrology.com/tools/panchang-today): Tithi (lunar day), nakshatra, sunrise, rahu kaal and the choghadiya (good and bad parts of the day) for your own city.
- [Manglik dosha check](https://apiforastrology.com/tools/manglik-dosha): Whether Mars makes a chart manglik, counted three ways, with any exceptions.
- [Sade sati check](https://apiforastrology.com/tools/sade-sati): Whether sade sati, Saturn's 7.5-year pass around your Moon sign, is running for you, which phase, and the dates.
- [Nakshatra finder](https://apiforastrology.com/tools/nakshatra-finder): Your birth star: the Moon's nakshatra, its quarter (pada), its ruler and your Moon sign.
- [Numerology calculator](https://apiforastrology.com/tools/numerology-calculator): Your mulank, bhagyank and name number from a name and a birth date.
- [Life path number calculator](https://apiforastrology.com/tools/life-path-number-calculator): Your life path number with master numbers kept, plus your expression, soul urge and personality numbers.
- [Name numerology calculator](https://apiforastrology.com/tools/name-numerology-calculator): A name's Chaldean and Pythagorean numbers, with other spellings compared against your birth date.
- [Lo Shu grid calculator](https://apiforastrology.com/tools/lo-shu-grid-calculator): The Lo Shu grid from a birth date, with missing and repeated numbers and full and empty lines.

## Reference material

- [Rulebook](https://apiforastrology.com/astrology/rulebook): every rule the API follows, each with a stable ID
- [Vedic astrology glossary](https://apiforastrology.com/astrology/glossary): the terms the API uses, in plain English
- [Sample report](https://apiforastrology.com/astrology/sample-report): a full kundli report from POST /v1/report, as printable HTML
- [Accuracy](https://apiforastrology.com/astrology/accuracy): how results are tested against Swiss Ephemeris
- [Measured facts](https://apiforastrology.com/measured-facts): numbers measured about both APIs, such as manglik and master-number shares, calendar matches and rule counts, each with method, sample and date
- [How to choose a Vedic astrology API](https://apiforastrology.com/astrology/how-to-choose-an-astrology-api): the checks to run before choosing, from coverage to clock changes, and how this API answers each
- [FAQ](https://apiforastrology.com/astrology/faq): short answers on accuracy, birth times, time zones, languages, keys, limits and the free plan
- [Changelog](https://apiforastrology.com/astrology/docs/changelog): what changed in the Astrology API, release by release
- [Security and data handling](https://apiforastrology.com/security): how keys and birth details are handled

## Numerology API

The same key also calls the Numerology API at https://apiforastrology.com/api/numerology: 16 JSON endpoints for the mulank (birth day number), bhagyank (destiny number), name number, Lo Shu grid, name and number checks, compatibility, Western (Pythagorean) numbers, dates and a full report. Chaldean by default, names in English letters, answers in English and Hindi. Every route but the health check uses reading credits.

- [Numerology docs](https://apiforastrology.com/numerology/docs): the guides and the reference
- [Numerology quickstart](https://apiforastrology.com/numerology/docs/quickstart): make your first call
- [Numerology conventions](https://apiforastrology.com/numerology/docs/conventions): number systems, master numbers, names and dates
- [Chaldean vs Pythagorean numerology](https://apiforastrology.com/numerology/docs/chaldean-vs-pythagorean): both letter tables, why Chaldean has no 9, which number the API reads, one real name through both systems, Indian vs Western numbers and what to tell users
- [Numerology API reference](https://apiforastrology.com/numerology/docs/reference): all 16 endpoints
- [Core numbers endpoints](https://apiforastrology.com/numerology/docs/reference/core): One person's core numbers: the mulank (birth day number), the bhagyank (destiny number) and the name number. Also one number on its own, and the whole reading as a printable report.
- [Names endpoints](https://apiforastrology.com/numerology/docs/reference/names): A name and its spellings against a person's numbers, spellings that sound the same and fit better, and baby names whose number suits a child.
- [Number checks endpoints](https://apiforastrology.com/numerology/docs/reference/numbers): A mobile, vehicle or house number, up to 5 numbers side by side, and a business name with its launch date.
- [Compatibility endpoints](https://apiforastrology.com/numerology/docs/reference/compatibility): Two people's numbers, read both ways, with a plain outcome.
- [Western numbers endpoints](https://apiforastrology.com/numerology/docs/reference/western): The Western (Pythagorean) numbers: life path, expression, soul urge, personality and more.
- [Dates and cycles endpoints](https://apiforastrology.com/numerology/docs/reference/planning): The personal year, month and day, the good dates in a month, a year for one mulank, and the number of any day.
- [Numerology OpenAPI document](https://apiforastrology.com/numerology/openapi.json): the full public spec, JSON
- [Numerology Postman collection](https://apiforastrology.com/numerology/postman.json): every endpoint with example requests
- [Numerology changelog](https://apiforastrology.com/numerology/docs/changelog): what changed in the Numerology API, release by release
- [Core numbers](https://apiforastrology.com/numerology/features/core-numbers): A person's mulank (birth day number), bhagyank (destiny number) and name number. It also gives the Lo Shu grid, lucky day, colors and dates, gemstone and mantra.
- [Name checker](https://apiforastrology.com/numerology/features/name-checker): The number of a name and how well it fits the person's numbers. Check up to 10 spellings at once, or ask for spellings that sound the same and fit better.
- [Number checks](https://apiforastrology.com/numerology/features/number-checks): A mobile, vehicle or house number added up, its planet and how well it fits the owner. Compare up to 5 numbers, or check a business name with its launch date.
- [Compatibility](https://apiforastrology.com/numerology/features/compatibility): Two people's mulank and bhagyank read against each other, both ways, with a plain outcome and a short reading.
- [Western numbers](https://apiforastrology.com/numerology/features/western-numbers): The Western (Pythagorean) numbers: life path, expression, soul urge and personality. It keeps master numbers and adds karmic lessons, challenges and pinnacles.
- [Personal year and dates](https://apiforastrology.com/numerology/features/personal-year): A person's personal year, month and day, and the good dates in a month. It also gives a calendar year for one mulank and the number of any day.
- [Baby names](https://apiforastrology.com/numerology/features/baby-names): Baby names whose number suits the child, each with its meaning. They come from the birth date, the surname and the first letters you choose.
- [Numerology report](https://apiforastrology.com/numerology/features/report): The whole numerology reading as one book: a printable HTML page, or the same chapters as JSON. Lay out the JSON your own way, in any language the API supports.
- [Numerology apps](https://apiforastrology.com/numerology/use-cases/numerology-apps): Core numbers at sign-up, a daily number, the personal year and a printable report. A small team can ship a numerology app with it.
- [Matrimony and matchmaking sites](https://apiforastrology.com/numerology/use-cases/matrimony-platforms): A numerology match for every pair of profiles, read both ways from two birth dates. Show it beside the 36-point kundli score.
- [Dating apps](https://apiforastrology.com/numerology/use-cases/dating-apps): Each user's numbers on their profile, and a numerology match for every pair from two birth dates. The match's number is explained too.
- [Business naming tools](https://apiforastrology.com/numerology/use-cases/business-naming-tools): Check a business name against its owner. Get spellings that keep the sound and suit the owner better, and a launch date that fits.
- [Number and name sellers](https://apiforastrology.com/numerology/use-cases/number-sellers): Phone, vehicle and house numbers compared against a buyer's birth date, before the sale. Business names are checked against their owner too.
- [Astrologer platforms](https://apiforastrology.com/numerology/use-cases/astrologer-platforms): Name corrections, phone and vehicle number checks, and a printable report for every client, in each supported language.
- [Numerology FAQ](https://apiforastrology.com/numerology/faq): short answers on number systems, names, dates, languages, keys and credits
- [How to choose a numerology API](https://apiforastrology.com/numerology/how-to-choose-a-numerology-api): 12 checks for buying a numerology API (Chaldean and Pythagorean, Hindi-script names, mulank, Lo Shu, master numbers, pricing), with a one-afternoon test on real answers
- [Sample numerology report](https://apiforastrology.com/numerology/sample-report): a full numerology report from POST /v1/report, as printable HTML
- [Numerology glossary](https://apiforastrology.com/numerology/glossary): the terms the API uses, in plain English
- [Mulank 1](https://apiforastrology.com/numerology/mulank/1): Mulank 1 (driver number 1) is ruled by the Sun, for people born on the 1st, 10th, 19th or 28th. Traits, lucky days and compatibility.
- [Mulank 2](https://apiforastrology.com/numerology/mulank/2): Mulank 2 (driver number 2) is ruled by the Moon, for people born on the 2nd, 11th, 20th or 29th. Traits, lucky days and compatibility.
- [Mulank 3](https://apiforastrology.com/numerology/mulank/3): Mulank 3 (driver number 3) is ruled by Jupiter, for people born on the 3rd, 12th, 21st or 30th. Traits, lucky days and compatibility.
- [Mulank 4](https://apiforastrology.com/numerology/mulank/4): Mulank 4 (driver number 4) is ruled by Rahu, for people born on the 4th, 13th, 22nd or 31st. Traits, lucky days and compatibility.
- [Mulank 5](https://apiforastrology.com/numerology/mulank/5): Mulank 5 (driver number 5) is ruled by Mercury, for people born on the 5th, 14th or 23rd. Traits, lucky days and compatibility.
- [Mulank 6](https://apiforastrology.com/numerology/mulank/6): Mulank 6 (driver number 6) is ruled by Venus, for people born on the 6th, 15th or 24th. Traits, lucky days and compatibility.
- [Mulank 7](https://apiforastrology.com/numerology/mulank/7): Mulank 7 (driver number 7) is ruled by Ketu, for people born on the 7th, 16th or 25th. Traits, lucky days and compatibility.
- [Mulank 8](https://apiforastrology.com/numerology/mulank/8): Mulank 8 (driver number 8) is ruled by Saturn, for people born on the 8th, 17th or 26th. Traits, lucky days and compatibility.
- [Mulank 9](https://apiforastrology.com/numerology/mulank/9): Mulank 9 (driver number 9) is ruled by Mars, for people born on the 9th, 18th or 27th. Traits, lucky days and compatibility.

## Blog

- [Selling a Numerology Reading: HTML, JSON or Your Own Layout](https://apiforastrology.com/blog/numerology-report-api): Sell a full numerology reading in your app. One API call returns 12 chapters as a ready HTML page, or as JSON data that your team lays out.
- [Jaimini Astrology: Atmakaraka and the Chara Karakas](https://apiforastrology.com/blog/jaimini-atmakaraka): How the atmakaraka is ranked by degree, why Rahu splits the schools, and how often birth time swaps it, measured over 300 API runs.
- [Numerology Chart: Every Number a Person Has, on One Screen](https://apiforastrology.com/blog/numerology-chart): What goes on a numerology chart screen, and in what order. A map from two API answers to each card, plus empty values, Hindi labels and credits.
- [Transit Alerts: Tell Each User When a Planet Changes Sign](https://apiforastrology.com/blog/transit-alerts-for-apps): Gochar alerts for apps: the API routes that give sign-change dates, a one-line house count, and how many alerts each planet sends a year.
- [Lucky Numbers, Colors and Days: Where They Come From](https://apiforastrology.com/blog/lucky-numbers-colors-days): A lucky number calculator in Indian numerology takes every number, color and day from the birth day. See why guides disagree and how to show them in an app.
- [Astrology GPT: Give Your AI Chatbot Real Chart Data](https://apiforastrology.com/blog/astrology-gpt): Wire an astrology GPT to a chart API. See a tested 3-call schema, the real request for John Doe, and rules that make the model quote the numbers.
- [Numerology Chatbots: Give an AI Assistant Real Numbers](https://apiforastrology.com/blog/numerology-chatbot): Build a numerology chatbot that never invents a number. Two tool schemas, the server code, a real chat for John Doe and the guardrails to keep it right.
- [Prashna Kundli API: Add Horary Questions to Your App](https://apiforastrology.com/blog/prashna-kundli-api): Add prashna kundli (horary questions) to your app: 3 API routes, 33 topics, a short answer with reasons, the refusals and the 72-hour rule.
- [Raj Yoga and Gajakesari Yoga: How Apps Find Them](https://apiforastrology.com/blog/raj-yoga-gajakesari-yoga): How an app tests a birth chart for raj yoga and gajakesari yoga, with code and real counts: 62.7% and 33.1% of 2,000 random births.
- [Baby Name Numerology: Names by Number and Birth Star](https://apiforastrology.com/blog/baby-name-numerology): Baby name numerology, worked through with real API answers: how names are picked by number and birth star syllable, and what parents should see.
- [How Muhurat Is Calculated: How Apps Pick a Good Time](https://apiforastrology.com/blog/how-muhurat-is-calculated): How an app finds a muhurat: the tithi, nakshatra and weekday rules per activity, a real New York month, and how to show the windows.
- [Date of Birth Numerology: Every Number From the Date Alone](https://apiforastrology.com/blog/date-of-birth-numerology): Date of birth numerology for app builders. See every number a birth date gives with no name, what the name adds, and which call to make first.
- [Ashtakavarga and Shadbala: How Planet Strength Is Scored](https://apiforastrology.com/blog/ashtakavarga-shadbala): What ashtakavarga and shadbala score, with one real chart's numbers, how to show them in an app, and the choices that make calculators disagree.
- [Vehicle Number Numerology: What Counts on a Plate](https://apiforastrology.com/blog/vehicle-number-numerology): Vehicle number numerology for car and bike plates like RJ14 CD 4521. See what happens to letters, state codes and district digits, and what to show.
- [Time Zone Errors in Birth Charts: The Daylight Saving Bug](https://apiforastrology.com/blog/birth-chart-time-zone-errors): One wrong hour moved John Doe's rising sign 11.9 degrees in our API tests. The time zone mistakes that break birth charts, and the request that avoids them.
- [Missing Numbers and Lines in the Lo Shu Grid](https://apiforastrology.com/blog/lo-shu-grid-missing-numbers): What a Lo Shu grid's missing numbers and its full or empty lines mean. See how often each one shows up and how an app should show them.
- [Hindu Calendar 2027: Festival Dates for App Builders](https://apiforastrology.com/blog/hindu-calendar-dates): Hindu calendar 2027 for New York and India: 23 festivals, 25 Ekadashis, the dates that differ, and two API calls that load the whole year.
- [Numerology Matching for Matrimony Sites, Beside the Kundli](https://apiforastrology.com/blog/numerology-for-matrimony-sites): Numerology matching for matrimony sites: where the numbers line sits beside the kundli score, members with no birth time, privacy and credits per pair.
- [Unknown Birth Time: How Astrology Apps Should Handle It](https://apiforastrology.com/blog/unknown-birth-time): Unknown birth time? See which Vedic astrology results hold all day, which change by the hour, and what your app should show and send the API.
- [Destiny Number or Bhagyank? One Word, Two Formulas](https://apiforastrology.com/blog/destiny-number-vs-bhagyank): The destiny number is the bhagyank in Indian numerology, from the birth date. Western guides mean a name number. See both for John Doe, and what to call each.
- [Kaal Sarp Dosh: How the Check Works and Where Apps Differ](https://apiforastrology.com/blog/kaal-sarp-dosh-explained): How a kaal sarp dosh check works, and why apps disagree: 2,000 births scored under 9 rule settings gave answers from 3.1% to 33.1%.
- [House Number Numerology for Real-Estate and Rental Apps](https://apiforastrology.com/blog/house-number-numerology): House number numerology for apartments like B-402, 12A and 1504. See what happens to letters, floors and towers, and what a real-estate app should show.
- [Kundli and Panchang for Puja Stores and Temple Websites](https://apiforastrology.com/blog/astrology-for-puja-stores): Four features that bring visitors back to a puja store or temple site, the API call behind each, and how to show them with care. Real Edison, NJ results.
- [Expression, Soul Urge and Personality Numbers From a Name](https://apiforastrology.com/blog/expression-soul-urge-personality): How one name gives the expression, soul urge and personality numbers, letter by letter. Plus the API's Y rule and the labels an app should use.
- [Moon Sign, Sun Sign and Rising Sign: How Each Is Found](https://apiforastrology.com/blog/moon-sun-rising-sign): The birth details an app needs for the Moon sign, Sun sign and rising sign. How fast each one changes, and what to show without a birth time.
- [Name Correction Numerology: How Spelling Suggestions Work](https://apiforastrology.com/blog/name-correction-numerology): Name correction numerology for app builders. See how a spelling suggestion is made, why John Doe gets none, and what a name check screen should show.
- [10 Questions to Ask an Astrology API Provider](https://apiforastrology.com/blog/how-to-choose-an-astrology-api): Ask an astrology API provider these 10 questions, from accuracy and ayanamsa to time zones, errors and privacy, with a quick test for each.
- [Personal Year Number 2027: How It Is Worked Out](https://apiforastrology.com/blog/personal-year-number): How a personal year number is worked out, with John Doe's 2026 and 2027 sums. See the January 1 rule our API uses and why birthday guides differ.
- [Yogini Dasha vs Vimshottari Dasha: When Apps Use Each](https://apiforastrology.com/blog/yogini-dasha): How Yogini dasha works, one real chart's Yogini and Vimshottari timelines side by side, where they agree, and when an app should show each.
- [Numerology Compatibility: Why a Match Is Read Both Ways](https://apiforastrology.com/blog/numerology-compatibility): Numerology compatibility reads two birth dates as four one-way links between two people's numbers. See why both directions count, with a real API answer.
- [Free vs Paid Astrology API: What You Really Get](https://apiforastrology.com/blog/free-vs-paid-astrology-api): Is a free astrology API enough for your app? What free plans limit, what paying adds, and 3 tests to run on any API before real users see it.
- [Business Name Numerology: What a Name Number API Returns](https://apiforastrology.com/blog/business-name-numerology): Business name numerology for Acme Inc.: how a company name becomes a number and fits its owner. See what Inc. and LLC change and what the API returns.
- [How Nakshatra Is Calculated: From Moon Degree to Pada](https://apiforastrology.com/blog/how-nakshatra-is-calculated): How an app turns the Moon's position into a birth star and pada. Tested code, real runs, and how often a wrong birth time flips the answer.
- [Master Numbers 11, 22 and 33: When an App Should Keep Them](https://apiforastrology.com/blog/master-numbers-11-22-33): Master numbers 11, 22 and 33 show up on 44.56% of birth dates. See where our API keeps them, how often each appears, and what an app should print.
- [How to Add Kundli Matching to a Matrimony Site](https://apiforastrology.com/blog/kundli-matching-for-matrimony-sites): Kundli matching for matrimony sites: the sign-up fields, when to run the match, what the card shows, and members with no birth time.
- [Mobile Number Numerology: How to Add Up a Phone Number](https://apiforastrology.com/blog/mobile-number-numerology): Mobile number numerology adds every digit of a phone number, then reads it against the owner. See what to do with country codes, dashes and leading zeros.
- [Vedic vs Western Astrology: What Changes in the Code](https://apiforastrology.com/blog/vedic-vs-western-astrology): What a developer must change to add Vedic charts: the sidereal zodiac, whole sign houses, the Moon sign and nakshatra, dashas and divisional charts.
- [Indian vs Western Numerology: What Your App Should Show](https://apiforastrology.com/blog/indian-vs-western-numerology): Indian numerology gives a mulank, bhagyank and planets. Western gives a life path and name numbers. See one person's real numbers in both, and what to show.
- [Why Rahu Kaal Changes by City: A Panchang API Guide](https://apiforastrology.com/blog/panchang-api-rahu-kaal-choghadiya): What a panchang API returns for one day, and why each city gets its own answer. Real New York and Los Angeles results, plus code.
- [Why Two Numerology Calculators Give Different Numbers](https://apiforastrology.com/blog/numerology-calculators-disagree): Seven reasons numerology calculators give different numbers for one name and birth date, each with a worked example, and what your app should show.
- [How Vimshottari Dasha Is Calculated, Step by Step](https://apiforastrology.com/blog/vimshottari-dasha-calculation): How Vimshottari dasha dates come from the Moon's nakshatra, with a real worked example and the year-length and birth-time choices that shift them.
- [Life Path Number: The Math, and Why Calculators Disagree](https://apiforastrology.com/blog/life-path-number-calculation): Learn how a life path number is worked out from a birth date. We compare three methods and count how often they disagree, with real API answers.
- [How Sade Sati Is Calculated, and Why Apps Disagree on Dates](https://apiforastrology.com/blog/how-sade-sati-is-calculated): Sade sati is Saturn's pass through the three signs around your Moon sign. See how the dates are worked out, and why apps disagree by days or months.
- [Numerology App Development: What to Build and What to Buy](https://apiforastrology.com/blog/numerology-app-development): Planning a numerology app? See the 6 screens it needs, the rules that make apps disagree, and which parts to buy as an API and which to build.
- [Lahiri, KP or Raman Ayanamsa: Which Should Your App Use?](https://apiforastrology.com/blog/ayanamsa-lahiri-kp-raman): Lahiri, KP and Raman ayanamsas compared in real API runs. See the gap in degrees, what each one changes in a chart, and which to pick.
- [How the Lo Shu Grid Is Built From a Birth Date](https://apiforastrology.com/blog/how-lo-shu-grid-is-built): How a Lo Shu grid is built from a birth date, step by step. See which digits go in, why zero has no cell and how to draw repeats in an app.
- [How to Add a Daily Horoscope to Your Website or App](https://apiforastrology.com/blog/add-daily-horoscope-to-website): Add a Vedic daily horoscope to your website or app: working code in JavaScript, Python and PHP, the calls each plan allows, and why the city matters.
- [Chaldean vs Pythagorean Numerology: What Changes in Code](https://apiforastrology.com/blog/chaldean-vs-pythagorean-numerology): Chaldean vs Pythagorean numerology for app builders: both letter tables, one name worked out in each, and how to keep the two systems apart.
- [Navamsa (D9) and D10 Charts: How They Are Calculated](https://apiforastrology.com/blog/navamsa-d9-d10-charts): The navamsa (D9) cuts each sign into 9 parts and the D10 into 10. See the counting rules, a worked chart, and why 20 seconds can change the D9.
- [Numerology API for Developers: First Call, Step by Step](https://apiforastrology.com/blog/numerology-api-quickstart): Make your first numerology API call in curl, JavaScript or Python. Then read every block of a real answer and handle the errors you meet on day one.
- [Mulank, Bhagyank and Name Number: How Apps Work Them Out](https://apiforastrology.com/blog/mulank-bhagyank-name-number): Mulank, bhagyank and name number in Indian numerology: where each comes from, a worked example with real API numbers and what apps should show.
- [Hiring an Astrology App Development Company: Build or Buy](https://apiforastrology.com/blog/astrology-app-development): Hiring an astrology app development company? Build the screens, accounts and payments. Buy the chart math, calendar and readings. Here is the split.
- [Why Hindu Festival Dates Change by City: Karva Chauth 2026](https://apiforastrology.com/blog/festival-dates-change-by-city): Karva Chauth 2026 is October 28 in New York but October 29 in Delhi. See the moonrise rule, dates for 9 cities, and why apps must work out each date.
- [Kundli Software vs a Kundli API: Which One to Buy](https://apiforastrology.com/blog/kundli-software-vs-kundli-api): Kundli software or a kundli API for your website or app? See what each costs, who each one is built for, and a real kundli API request and response.
- [Mercury Retrograde 2026 and 2027: Exact Dates and Signs](https://apiforastrology.com/blog/mercury-retrograde-dates): Mercury retrograde 2026 and 2027 dates, computed from NASA JPL data, with the Vedic sign at each turn, how it differs from Western, and calm tips.
- [AI Astrologer: Build One That Gets the Chart Right](https://apiforastrology.com/blog/ai-astrologer-that-does-not-make-up-charts): Why an AI astrologer or ChatGPT astrology chat often invents a birth chart, and the fix: let the AI call a real chart calculation, then explain it.
- [Kundali Matching Explained: The 36 Points of Guna Milan](https://apiforastrology.com/blog/kundali-matching-36-points-guna-milan): Kundali matching scores two birth Moons on eight factors for 36 points. See what each guna milan factor compares and why the score alone is not the verdict.
- [Manglik Dosha Explained: 3 Counts and 4 Exceptions](https://apiforastrology.com/blog/manglik-dosha-explained): How a manglik dosha calculator checks Mars from the rising sign, Moon and Venus, why most charts show it, and the four classical exceptions astrologers weigh.
- [Jupiter Transit 2026: Saturn and Rahu Ketu Dates to 2027](https://apiforastrology.com/blog/jupiter-saturn-rahu-ketu-transits): Jupiter transit 2026 dates, Saturn's move into Aries in 2027 and the Rahu Ketu shift, with retrograde returns and how to read them from your Moon sign.
- [Astrology API You Can Audit: Why Rule IDs Matter](https://apiforastrology.com/blog/why-rule-ids-matter): When an astrologer questions a result, a stated rule turns the argument into a check. How rule IDs and a public rulebook make an astrology API auditable.
- [Astrology Report API: Readings That Match the Chart](https://apiforastrology.com/blog/readings-from-one-computation): Topic readings and printable reports that always agree with the chart your app shows, because the astrology API builds both from one calculation.

## Optional

- [Status](https://apiforastrology.com/status): whether the API is working right now
- [Contact](https://apiforastrology.com/contact-support): write to us about the API or your plan