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QuickFax vs Checkslip

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

QuickFax compared with Checkslip
DetailQuickFax logo QuickFaxCheckslip logo Checkslip
What it doesSend a fax online without a subscription or account setup Bank slip verification API for transfer confirmation
StageNot given Not given
FoundedNot given Not given
Based inUS TH
Pricing modelPaid Freemium
Pricing$1.50 per page, no subscription required 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
  • Send faxes from computer, iPhone, Android, or tablet
  • Instant delivery confirmation via email
  • Support for PDF, DOC, DOCX, JPG, PNG, TIFF, and HEIC file formats
  • File upload up to 20MB
  • Real-time fax status monitoring
  • 256-bit AES encryption for uploaded files
  • No account creation required
  • Automatic file deletion after fax delivery
  • Take photos of documents on mobile to fax
  • 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
  • No subscription or account setup required
  • Pay-per-page pricing at $1.50 per page
  • Works on any device without app installation
  • Trusted by thousands for government and legal documents
  • 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 planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)17 +3 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)190
Referring domains (Majestic)70

6 details filled in for both companies.

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