A fax API and MCP server for AI agents to send and receive faxes with receipts
High-performance astrology API for developers to calculate natal charts, transits, and synastry
Stage
Not given
Not given
Founded
2023
Not given
Based in
US
Not given
Pricing model
Paid
Freemium
Pricing
$0.039 per page sent, $0.019 per page received, $2 per fax number per month, $10 minimum wallet top-up, optional Agent workspace $19 per month, sandbox free. Prices as of 2026-10-28.
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
Document preparation with PDF, image and text rendering
Price quotes bound to document, destination and sender
Authorization by person or delegated policy
Bounded retries with circuit breaker per route
Private inbox for received faxes with signed URLs
Idempotent API calls with Idempotency-Key header
Signed webhooks with event IDs
Sandbox for free testing before production
Document retention with 30-day default and deletion option
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
Every fax send produces a receipt with provider evidence of delivery
Agents cannot exceed their own permissions or budget limits
International fax coverage to 213 destinations with transparent pricing
MCP server with 15 tools for seamless agent integration
Per-page pricing with no minimum subscription requirement
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
Fax for Agents
FreeAstroAPI