CheckNumber.AI vs ProxiesThatWork

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

CheckNumber.AI compared with ProxiesThatWork
Detail	CheckNumber.AI	ProxiesThatWork
What it does	Bulk phone number and email verification across 50+ platforms via API or no-code CSV upload	Cheap proxies that work on almost any site, for almost any purpose
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Paid
Pricing	Not given	150 Proxies: $3/month ($0.02 per proxy); 1,000 Proxies: $20/month ($0.02 per proxy); 2,500 Proxies: $50/month ($0.02 per proxy). Custom quotes available.
Key features	Real-time verification against 50+ platforms No-code CSV/TXT upload interface REST API for automation and integration Support for 200+ countries Platform-specific detectors for messaging, social, crypto and carriers Activity detection (days active, last seen, profile data) Free single number checker tool Pay-as-you-go with no monthly fees	Tested on 1,000+ websites for compatibility 99.9% network uptime Accessible from 100+ global locations Tested for reliability every 60 seconds Instant setup 7-day money-back guarantee
What makes it different	Supports 50+ platforms with a single API integration No platform login or QR code required for verification Both no-code and developer-ready options Real-time checks against live platform servers No data storage or marketing use of contact lists	All proxies are verified for compatibility with top 1,000+ websites Confirmed operational every 60 seconds for consistent uptime Affordable pricing from $0.02 per proxy Proven across every major use case Plug-and-play compatibility with zero guesswork
Community votes	0	0
DR (Domain Rating by Ahrefs)	37 no change since last check	4 −1 (down) since last check
Trust Flow (Majestic)	6	2
Citation Flow (Majestic)	44	22
Referring domains (Majestic)	42	14

4 details filled in for both companies.

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