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 258+ endpoints, one key.
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 aspectsSynastryForecastTransit forecastingHuman DesignBodygraph analysisAPI integrationAstrology software
57 articles published
Articles by Torsten Brinkmann
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.
10 min read·
Why AI Chatbots Hallucinate Birth Charts and How to Fix It
Why AI chatbots invent wrong planet positions and rising signs, with a measured test, plus how to ground your astrology app on verified chart data.
11 min read·
RoxyAPI vs Prokerala: Astrology API Comparison 2026
Compare RoxyAPI and Prokerala astrology APIs on pricing, credit costs, domain coverage, MCP, and SDKs, with live-verified 2026 numbers.
10 min read·
Astrology API Market Leader: How to Verify the Claim
No spiritual data API publishes audited customer counts, so market leader stays unprovable. Here is how to judge an astrology API on evidence you can check.
10 min read·
Astrology Forecast API: Build a Scored Transit Timeline
A developer guide to the Forecast API: build a significance-scored timeline that blends Western transit, Vedic dasha, and biorhythm events in one call.
15 min read·
Is It Hard to Build Your Own Astrology API?
A senior dev can rough out basic chart math in days. The licensing, accuracy, and breadth that make it production ready take quarters.
9 min read·
Build a Memory Layer for an AI Astrology Companion
An AI astrology companion needs memory to retain users. Keep it on your stack, not the vendor side, with a stateless API. Architecture and code inside.
9 min read·
Return Chart Timing: Solar, Lunar, and Planetary Returns
Solar, lunar, and planetary return charts pivot on one instant. See how planet velocity sets timing precision and how to verify it against JPL Horizons.