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USDPAY vs SingleFax

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

USDPAY compared with SingleFax
DetailUSDPAY logo USDPAYSingleFax logo SingleFax
What it doesNon-custodial USDT payment gateway where funds go directly to your wallet Send one-time faxes online from $0.99, pay only if delivered
StageNot given Not given
FoundedNot given Not given
Based inUS US
Pricing modelFreemium Not given
PricingFree plan: $0 per month + 0.9% per confirmed payment. Pro plan: $29 per month + 0.5% per confirmed payment. One-time fax: from $0.99 for up to 10 pages, then $0.08 per extra page (max 1,000 pages), pay only if delivered. 30-day fax number: $4.99 one-time payment. Lifetime Basic fax number: $97 one-time payment. Lifetime Pro fax number: $147 one-time payment. Standard Plan (monthly): $6.58/mo or $79/year (
Key features
  • Hosted payment checkout page
  • Payment links
  • REST API for invoice creation
  • Support for BEP20, TON and TRON TRC20 networks
  • Instant payment webhooks
  • AML wallet screening
  • Multi-wallet support
  • Unlimited invoices
  • On-chain payment confirmation
  • Send faxes from browser, email, or mobile app
  • Pay only if delivery succeeds
  • Support for up to 1,000 pages per fax
  • Timestamped delivery confirmation
  • Searchable AI transcripts for received faxes
  • HIPAA Secure workflow with signed BAA
  • IRS form filing with carrier proof
  • Chrome extension for PDF faxing
What makes it different
  • Non-custodial: funds go directly to merchant wallet, never held by USDPAY
  • Transparent pricing with no setup or payout fees
  • Multiple blockchain networks for cost flexibility
  • Optional AML screening for risk assessment
  • No account or subscription required for one-time faxes
  • Pay only if fax delivers successfully
  • Integrated IRS filing with official transmission proof
  • Lifetime fax numbers with no monthly rental fees
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)23 −2 (down) since last check25 no change since last check
Trust Flow (Majestic)181
Citation Flow (Majestic)2127
Referring domains (Majestic)3436

5 details filled in for both companies.

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