Stophy vs RFCCheck

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

Stophy compared with RFCCheck
Detail	Stophy	RFCCheck
What it does	One API to search the web, read what people say, and look up products, places, jobs and homes.	Validate Mexican RFC numbers via API
Stage	Not given	Not given
Founded	Not given	Not given
Based in	EE	Not given
Pricing model	Freemium	Freemium
Pricing	Free: $5 in free calls, no card required. Pay as you go: $1.50 per 1,000 calls, with volume discounts: $1.20 from $100 top-up, $0.80 from $500 top-up. Custom plans available for higher rate limits and new sites.	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	MCP server support for Claude Code, Codex and Cursor REST API, TypeScript and Python SDKs One unified JSON response format across all sites Filter results by price range, rating, location and more Select specific fields to reduce response size and context usage Failed calls and empty results cost nothing No captchas, blocks or rate limits seen by agents	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	One key covers every site with no separate API keys or approvals needed No browser to run or scraper to maintain Same response format from every site means agents never need to change Free calls on failed or empty results, paying only for data returned Reads only public data, never logs in or posts on behalf of users	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)	8 no change since last check	37 no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	12	25
Referring domains (Majestic)	31	3

5 details filled in for both companies.

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