| What it does | Validate Mexican RFC numbers via API
| High-performance astrology API for developers to calculate natal charts, transits, and synastry
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Pay as you go: $0.015 USD per credit (prepaid, no subscription). Monthly plans: Basic $99/month for 10,000 credits, Growth $449/month for 60,000 credits, Pro $1,800/month for 300,000 credits. Enterprise: volume pricing available on request. /sat-lists endpoint is free on any plan. New users get $5 U
| 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.
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| Key features | - Full RFC validation with registration status, name, postal code, and digital certificates
- Taxpayer profile lookup with personal data and contact information
- Postal code lookup for CFDI invoicing
- Quick verification with single SAT roundtrip in 1-2 seconds
- Compliance checking against SAT contributor lists (Articles 69, 69-B, 69-B Bis)
- Bulk verification of up to 5000 records in one call
- Digital certificate lookup with serial numbers and validity dates
- Commerce registry lookup for company legal regime and shareholders
| - 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
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| What makes it different | - Directly connected to SAT database for real-time validation
- Supports both individual and business RFC numbers with automatic type detection
- Shared account and balance with CURP and voter ID validation services
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 37 ● no change since last check | 31 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 2 |
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| Citation Flow (Majestic) | 25 | 27 |
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| Referring domains (Majestic) | 3 | 37 |
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RFCCheck
FreeAstroAPI