SMSKap vs Checkslip

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

SMSKap compared with Checkslip
Detail	SMSKap	Checkslip
What it does	Instant SMS verification and virtual phone numbers for WhatsApp, Telegram and other platforms using real physical carrier SIM lines	Bank slip verification API for transfer confirmation
Stage	Not given	Not given
Founded	Not given	Not given
Based in	GB	TH
Pricing model	Paid	Freemium
Pricing	Turkey (+90) from 449.00 ₺; USA (+1) from 259.00 ₺; UK (+44) from 299.00 ₺. Price range USD 1.99 to 9.99.	Free: 50 credits when phone number is verified. Paid plans: Pack 500 (500 THB, 1,800 credits), Pack 700 (700 THB, 2,700 credits), Pack 1,200 (1,200 THB, 4,800 credits), Pack 1,500 (1,500 THB, 6,400 credits), Pack 3,500 (3,500 THB, 16,000 credits), Pack 5,000 (5,000 THB, 24,000 credits), Pack 10,000
Key features	SMS verification codes arrive within 30-60 seconds 100% automatic refund if SMS code does not arrive Zero KYC verification, no documents required Support for WhatsApp, WhatsApp Business and Telegram Available for Turkey, UK and USA locations Live pricing and stock verification before each order 24/7 live support via dashboard and Telegram bot Official Telegram bot for direct number purchases and code delivery Multiple payment methods including credit card, bank transfer and crypto	QR code and slip image verification Bank transaction lookup with reference number, date/time, and amount Sender and recipient bank names and abbreviated names Last 4 digits of account numbers Webhook delivery of results Idempotency key for duplicate request handling Does not store slip images Credit charging only when bank confirms transaction Automatic re-checking for pending transactions Multiple credit pack options from 500 to 50,000 THB
What makes it different	Real physical carrier SIM lines instead of shared VOIP numbers Zero risk of account bans because physical operator lines are used Transparent refund process with automatic reimbursement Curated number pool from reliable providers Reseller program to sell numbers at custom margins	Real-time verification directly from source bank records Does not store or log slip images for privacy Supports duplicate request detection without re-charging Free trial with 50 credits upon phone number verification
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	10	0
Citation Flow (Majestic)	22	0
Referring domains (Majestic)	8	0

6 details filled in for both companies.

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