Your phone as an API for SMS, calls, recordings and transcripts
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
NO
Not given
Pricing model
Paid
Freemium
Pricing
Monthly subscription per connected line (exact price not specified in documentation). Recording and transcription are optional, charged from prepaid credits at rates shown in workspace. Credits are in US dollars and never expire while workspace is active.
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
Send SMS messages up to 1,600 characters
Receive incoming SMS and calls as webhook events
Outgoing calls with WebRTC audio for browser or AI
Idempotent messaging with operation status tracking
Model Context Protocol server for Claude and Cursor
Included bridge minutes per month
Conversation scoping per line and number
API rate limiting and fair-use enforcement
Dual-SIM support with separate credentials per line
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
Use your own Android phone and SIM instead of a phone number service
Pay only per connected line; recording and transcription are optional and prepaid
Calls merged on bridge preserve your business number to recipients
Live AI voice support via WebRTC audio tracks
Every resource reports whether it is real or simulated
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
FreeAstroAPI