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Reference edition 2026.46

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Spiral vs RFCCheck

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Spiral compared with RFCCheck
DetailSpiral logo SpiralRFCCheck logo RFCCheck
What it doesGive your agents superpowers Validate Mexican RFC numbers via API
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelPaid Freemium
PricingPay as you go with no subscriptions or plans. Credits are added to an account and used only for actual tool runs. Pricing varies by tool; examples include $0.195 per hour of audio for AssemblyAI, $0.00559 per minute for Deepgram audio, $0.156 per minute for ElevenLabs audio isolation, $2.86 per minu 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
Key features
  • Connect to 3,500+ tools from 17 providers
  • Runtime tool discovery for agents
  • One API key for all tools
  • Pay-as-you-go pricing with no subscriptions
  • Works with any AI agent
  • Credits never expire
  • Clear per-tool pricing displayed before running
  • Support for media creation tools
  • Integration with SEO and search tracking tools
  • 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
What makes it different
  • 1,685 priced tools with transparent per-use costs
  • No need to manage separate API keys and subscriptions
  • Agents automatically discover the right tool for each task
  • Works across all major AI agent platforms
  • Single balance and prepaid model eliminates subscription overhead
  • 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
Community votes00
DR (Domain Rating by Ahrefs)30 +29 (up) since last check37 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)1225
Referring domains (Majestic)113

5 details filled in for both companies.

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