PayLnk vs SingleFax

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

PayLnk compared with SingleFax
Detail	PayLnk	SingleFax
What it does	UPI payment links that work inside Instagram, WhatsApp and Facebook	Send one-time faxes online from $0.99, pay only if delivered
Stage	Not given	Not given
Founded	Not given	Not given
Based in	IN	US
Pricing model	Freemium	Not given
Pricing	Not given	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	Payment links work inside Instagram in-app browser QR code fallback when direct app launch fails Split across multiple UPI IDs Dashboard with reference tracking WhatsApp order notifications No signup documents required	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	Money goes directly to seller's UPI ID with no intermediary holding funds Automatic detection of best payment route by app and phone No transaction fees, only flat monthly subscription Works without accessing buyer messages or SMS	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 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)	8 +2 (up) since last check	25 no change since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	0	27
Referring domains (Majestic)	0	36

4 details filled in for both companies.

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