Zavu vs RFCCheck

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

Zavu compared with RFCCheck
Detail	Zavu	RFCCheck
What it does	One API for all your messages.	Validate Mexican RFC numbers via API
Stage	Startup	Not given
Founded	2025	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Free plan: $0/mo with 2,000 messages per month on WhatsApp, Telegram, Instagram and Messenger, $2 of SMS/voice/email credit, and AI agents. Pro: $20/mo with $20 monthly usage credit, unlimited channels, phone numbers from $0.63/mo, transactional email $0.40/1,000, marketing email $0.80/1,000, SMS fr	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	AI agents across channels Voice agents with phone answering Transactional and marketing email OTP and verification codes Phone number provisioning in 200+ countries WhatsApp Business templates and media Broadcast campaigns and scheduling Shared inbox and contact management Serverless functions on events Agent memory and knowledge base	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	Single API for 8+ messaging channels instead of multiple vendor integrations Up to 92% lower costs than alternatives like Twilio and Resend AI agents that set up infrastructure automatically Five-minute onboarding from signup to first message No platform markup on Meta WhatsApp pricing	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 votes	0	0
DR (Domain Rating by Ahrefs)	26 +4 (up) since last check	37 no change since last check
Trust Flow (Majestic)	8	0
Citation Flow (Majestic)	29	25
Referring domains (Majestic)	95	3

5 details filled in for both companies.

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