10 min read
Retrograde Station Detection: Stationary Point Edge Cases
Why naive day-step retrograde detection misses planetary stations, and how to detect zero crossings of longitude velocity for the astrology API.
Blog
Insights, tutorials, and updates from the RoxyAPI team
Recent Posts
10 min read
Why 6 Arcminutes Can Flip a Vedic Marriage Match
Nakshatra pada precision matters: a 6 arcminute Moon drift can flip the pada and swing Gun Milan by 5 to 10 points.
12 min read
DST and Historical Timezones Break Vedic Kundli Accuracy
Pre-1948 India, wartime DST, and Pakistan plus Bangladesh DST years quietly corrupt kundli charts. Use IANA strings to fix it, by RoxyAPI.
12 min read
Build a Voice Astrology Agent with Vapi and Remote MCP
Wire a Vapi voice assistant to a Remote MCP astrology server in under 30 minutes. Step-by-step setup, web SDK embed, cost breakdown by RoxyAPI.
17 min read
How to Add Numerology Features to Your Dating App (Complete API Guide)
Add numerology-powered matchmaking to a dating app with three endpoints: chart, compatibility, and personal year. Working code, caching, multi-language, MCP shortcut.
13 min read
Why Two Kundlis Never Match Across APIs: A Debugging Guide
Five root causes that make two Vedic API responses diverge for the same birth data, with a 10-minute debug recipe and exact curl examples.
15 min read
Timezone Bugs in Astrology: A Complete Developer Guide
Timezone bugs silently corrupt natal charts. DST ambiguity, historical offsets, IANA vs decimal inputs, and how to debug chart mismatches.
12 min read
Build an Insight App in Node.js: Astrology, Vedic, Tarot APIs (2026)
Node.js tutorial to build an astrology app covering Western charts, Vedic kundli, panchang, and tarot with the Roxy TypeScript SDK. Typed, Promise-based, by RoxyAPI.
10 min read
Build an Insight App in Python: Astrology, Vedic, Tarot APIs (2026)
Python tutorial to build an astrology app covering Western charts, Vedic kundli, panchang, and tarot with the Roxy Python SDK. Typed, async-ready, by RoxyAPI.
8 min read
Connecting Claude Code to 10 Remote MCP Servers (Real Transcript)
How a developer connected Claude Code to 10 remote MCP servers in 30 minutes. Tool discovery trace, config, and latency. By RoxyAPI.
10 min read
MCP Registry Guide 2026: Where and How to List Your Server
Where to list your MCP server in 2026. Publish to the official MCP Registry, prove your namespace, and propagate to downstream directories. By RoxyAPI.
12 min read
AGENTS.md for API Providers: Teach AI Coding Tools to Use Your API
How to ship an AGENTS.md in your API SDK so Copilot, Windsurf, Cline, and Claude Code call your endpoints correctly. By RoxyAPI.
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.