A typed decision API for routing, classification, and scoring
High-performance astrology API for developers to calculate natal charts, transits, and synastry
Stage
Not given
Not given
Founded
Not given
Not given
Based in
CA
Not given
Pricing model
Paid
Freemium
Pricing
$0.040 USD per million input tokens; output is free
Free: $0 with 80 requests/day. Entry: $8/month with 50,000 requests/month. High: $40/month with 500,000 requests/month. All tiers include hosted MCP access and commercial use allowed.
Key features
Choice question type with multiple options and probability scores
Boolean question type for true/false judgments with probability
Score question type with min/max range and level probabilities
Filter list endpoint for ranking JSON items by instruction match
Support for image and audio input with Crossroads-M model
Idempotency keys for safe retries without duplicate charges
Rate limiting with 120 requests per minute default and 4 concurrent requests
Multiple question types per request with single round trip
Natal chart calculations with planetary positions and house systems
Multiple house systems including Placidus, Whole Sign, Koch, Equal, and Regiomontanus
Vedic astrology with Kundli, Dasha systems, and Panchang calculations
Chinese BaZi (Four Pillars) with Day Master strength and 12 Life Stages
Transit timeline and synastry analysis for relationship comparisons
Premium text reports with 8,000-9,000 words for monetization
Hosted MCP server for AI tool integration and LLM files
Geo city search with timezone and location lookup for birth data
What makes it different
Returns probability scores for every answer to guide decision-making confidence
Supports image and audio analysis alongside text with dedicated audio-trained model
Filter lists by instruction match without writing text generation code
Typed output constrains format while preserving flexible judgment logic
French Ephemeris Professional Licence for highest precision and accurate timezone handling
Optimized calculation engine for millisecond response times
99.9% uptime SLA with developer-first support and comprehensive documentation
Type-safe JSON responses with consistent data structures for TypeScript integration
Support for Western, Vedic, and Chinese astrology systems in single API
Crossroads
FreeAstroAPI