11 min read
Deterministic Horoscope Engine vs LLM: Why We Built Our Own
Why RoxyAPI writes horoscopes with a deterministic engine, not an LLM: the same date returns the same text, and every date is checkable in events[].
Blog
Insights, tutorials, and updates from the RoxyAPI team
Recent Posts
19 min read
Astrology API in Supabase: Edge Functions, SQL and RLS
Astrology API in Supabase: the key as an Edge Function secret, birth data under RLS, natal charts cached in Postgres, daily horoscopes read in SQL.
14 min read
Astrology API Versioning: How to Verify a Stable Contract
A stable astrology API contract has a version, an additive-only rule in the Terms, written notice, a public spec you can diff, and stable error codes.
15 min read
Porutham vs Gun Milan: Why Rajju and Vedha Veto a Match
Porutham and Gun Milan answer different questions. See a pair scoring 33 of 36 on Ashtakoot and rejected on Rajju, with Papasamyam beside it.
13 min read
Astrology API Accuracy: How to Read an Arcsecond Claim
Astrology API accuracy claims are comparable only with lineage, scope and worst case. Five questions, and an open benchmark that answers them per domain.
15 min read
Best Horoscope API for Developers Shipping Feeds 2026
Best horoscope API for developers: dated transit events, fact-checkable columns, eight natively composed languages, and a white-label license. By RoxyAPI.
22 min read
AI Astrology Chat Endpoint: Why We Do Not Ship One
A bundled AI astrology chat endpoint saves an hour of glue code and takes your system prompt, your model choice, your user memory and your margin.
15 min read
Mayan Astrology API: Tzolkin Day Signs and Long Count
Mayan astrology API for Tzolkin day signs, the Long Count and the Aztec count, with the correlation constant that explains why calculators disagree.
18 min read
Gematria Calculator API: Every Hebrew Spelling, Shown
Gematria calculator API returning every candidate Hebrew spelling of a Latin name, eleven rabbinic ciphers with lineage, and the 72 names derived.
13 min read
Ayurvedic Constitution From a Birth Chart: Dosha API
Ayurvedic constitution from a birth chart, not a quiz. Three cited classical factors, a real sunrise and a season from solar ingress, by RoxyAPI.
12 min read
Vastu API: Entrance Padas and Ayadi With Verse Citations
Vastu API returning the 32 entrance padas with their verse effects, a typed citation on every verdict, an Ayadi calculator and griha pravesh dates.
15 min read
Render Astrology Charts From LLM Tool Calls
Render astrology charts from LLM tool calls in your own chat UI. Parse the tool result, map the tool name to a component, set data. Four lines.
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Featured Posts
13 min read
Best Tarot APIs for Developers 2026: Features and Pricing
Compare the best tarot APIs for developers: 78-card decks, spreads, seeded draws, card images, MCP, and flat pricing reviewed by RoxyAPI.
13 min read
Best Vedic Astrology API for Kundli and Panchang 2026
Compare RoxyAPI, AstrologyAPI, and Prokerala for kundli, panchang, dasha, and KP: fact-checked features, pricing, and real cost math.