10 min read·
Why Astrology APIs Feel Unreliable (And How to Choose Better)
Astrology APIs feel unreliable for concrete reasons: drifting specs, unverified math, and credit-weighted bills. Here is how to choose one that holds up.
Torsten Brinkmann
Astrologer & Developer Advocate
Germany
Torsten Brinkmann combines 16 years of Western astrology practice with a software engineering background, specializing in astrological calculation tools, birth chart APIs, and planetary aspect analysis. His Computer Science training shapes writing that addresses both the astronomical mathematics behind natal charts and the developer integration patterns for astrology APIs. He is currently writing a technical guide to birth chart calculation for developers.
Computer Science background16 years of practiceWriting a technical astrology guide
Western astrologyBirth chart analysisPlanetary aspectsSynastryAPI integrationAstrology software
52 articles published
Articles by Torsten Brinkmann
10 min read·
Composite Chart API: The Midpoint Relationship Method
A composite chart is not synastry. It merges two natal charts into one midpoint chart for the relationship. See the method and the composite chart API.
11 min read·
Annual Profections API: Find Your Lord of the Year
Calculate annual profections and the lord of the year from any birth chart with one API call. See the formula, real response, and no-code widget.
10 min read·
Astrocartography API: Planetary Lines for Relocation
Build relocation astrology with the astrocartography API: MC, IC, Ascendant, and Descendant planetary lines from one birth moment, ready to map.
13 min read·
Build Your Own Astrology Website: Free Bookable Template
A free MIT template for astrologers, tarot readers and numerologists. Real birth charts, tarot, human design, booking and a blog. You own the code.
12 min read·
Fixed Stars, Asteroids, and Arabic Lots: Advanced Natal API
Fixed stars, asteroids, Arabic lots, aspect patterns, progressions, solar arc, and profections. Seven advanced natal endpoints, real responses, one key.
10 min read·
Astrology Widget for WordPress: Official RoxyAPI Plugin
Add astrology widgets to WordPress with the official RoxyAPI plugin: install from WordPress.org, add your key, and drop shortcodes. No code required.
11 min read·
Build a C#/.NET Insight App: Astrology, Vedic, Tarot
Build a multi-domain insight app in C# with the RoxyApi.Sdk NuGet package. Astrology, Vedic kundli, tarot, numerology across 171+ endpoints, one key.
12 min read·
Human Design API Buyer Guide: Bodygraph, Type, Accuracy
What a Human Design API must return and how to verify it: full bodygraph in one call, exact 88 degree solar arc, true nodes, Remote MCP, flat pricing.
10 min read·
Birth Time and Date Input Formats for Astrology APIs
How an astrology API should parse birth time and date input, from HH:MM to a trailing Z, and why 25:00:00 still has to fail with a 400.
10 min read·
Ship a Human Design App This Weekend with Zero Knowledge
Build and launch a Human Design app in a weekend with AI coding tools and RoxyAPI. Type, strategy, authority, and the full bodygraph from one API.
9 min read·
Black Moon Lilith: Why Mean and True Disagree by a Sign
Two astrology APIs can place Black Moon Lilith a full zodiac sign apart. Here is why mean and true osculating lunar apogee diverge by up to 30 degrees, and how to return both from one call.
Page 1 of 5