FreeAstroAPIAstrology API Guides & Code Examples
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Set up your key, call the natal chart endpoint, and avoid the first integration mistakes.
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Blueprints for product experiences powered by deterministic astrology data and AI layers.
How to Get Moon Eclipse Data in Your App
Learn how to get solar and lunar eclipse data in your app, including local visibility, contact times, magnitude, and obscuration.
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WordPress Astrology Starter Kit: Set Up Astrology Suite for FreeAstroAPI
Install the Astrology Suite WordPress plugin, connect your FreeAstroAPI key, add chart and report blocks, and test your first public astrology page.
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Best 2026 AI for Astrology
Looking for the best AI for astrology? Use deterministic chart calculations from an astrology API, then let an LLM deliver nuanced, high-quality interpretation.
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How to Build an AI Astrology Psychological Report Pipeline with Multi-Pass LLM Generation
Learn how to build a production pipeline that combines deterministic natal chart data with a multi-pass LLM workflow to generate detailed astrological psychological reports.
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AstroSage API: Build an AstroSage-Like Astrology Chat App or Bot
Learn how to build an AstroSage-like astrology chat app or bot with FreeAstroAPI, including Vedic, Western, horoscope, compatibility, Panchang, and chart endpoints.
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Add specialized rendering, Chinese astrology, MCP workflows, and production scaling patterns.
How to Search GeoCity by State or Province
Use queries such as Jingzhou, Hubei or Hubei Jingzhou to select the right city, then display the province returned in the state field.
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Hide ASC, DSC, MC and IC Aspect Lines in SVG Astrology Charts
Hide ASC, DSC, MC and IC aspect lines in SVG birth charts while keeping planet aspects, angle axes and labels visible.
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How to Implement AstroFont in Any Frontend Project
Add StarFont Sans and StarFont Serif to any frontend app with web-font hosting, glyph mappings, download links, and implementation notes.
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Calculate BaZi Four Pillars with Python: Complete Guide
Calculate BaZi Four Pillars from a Gregorian birth date in Python. Includes stems, branches, hidden stems, Ten Gods, luck cycles, and working code.
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True Solar Time Calculator | Longitude & Time Correction
Calculate true solar time from date, clock time, longitude, and timezone. Apply longitude correction and the Equation of Time for accurate BaZi charts.
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Additional comparisons, technical explanations, and astrology concepts for developers.
Best Vedic Astrology API for Developers in 2026
Compare Vedic astrology APIs for Kundli apps, dasha, Panchang, compatibility, AI chat, pricing, free tiers, and production use.
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Best Astrology APIs in 2026: Complete Developer Comparison
Compare FreeAstroAPI, AstrologyAPI, AstroAPI, RoxyAPI, Astrology API, Free Astrology API, VedicAstroAPI, VedAstro, and Prokerala for pricing, free tiers, AI/MCP support, Western astrology, Vedic astrology, SVG/PDF output, and rate limits.
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Best Free Astrology Course
Compare the best free astrology courses for beginners in 2026. AstroLingo ranks first with 8 available courses, 175 lessons, quizzes, and hands-on chart practice.
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Tropical vs Sidereal Astrology for Developers: What Your API Should Support
A simple guide to tropical and sidereal astrology for developers building birth chart calculators, Vedic apps, horoscope tools, and astrology APIs.
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How to Calculate Your Chart Signature
Learn the simple element-and-modality math behind a natal chart signature, compare modern and traditional methods, and calculate yours with an interactive table.
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The Bazi Synastry Scoring Algorithm: A Technical Deep Dive
Understand the proprietary logic behind our professional Bazi Compatibility Synastry Engine, including weights, classical sources, and specific examples.
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Time Zones, LMT, and Precision in Astrology
Why a 4-minute error changes your Ascendant, and how our API handles historical shifts automatically.
Open guideUnderstanding Astrological Aspects for Developers
A deep dive into the geometry of astrology. Learn how to parse, interpret, and visualize the aspects returned by FreeAstroAPI.
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Create a free API key and make your first natal chart in 2 minutes