UsageRail vs SingleFax

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

UsageRail compared with SingleFax
Detail	UsageRail	SingleFax
What it does	API monetization platform for small teams	Send one-time faxes online from $0.99, pay only if delivered
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Not given
Pricing	Free up to $1,000 billed per month. Starter $29/month, Growth $79/month, Scale $199/month. All plans billed monthly or yearly (save up to 17% on yearly). Free includes 1M requests/month and 1 live app. Starter includes 2M requests/month. Growth includes 10M requests/month with 3 live apps. Scale inc	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	API key generation and management Rate limiting per customer, per second and per minute Quotas with overage billing or prepaid credits Usage metering by customer and endpoint Analytics with customer usage and billing data Automatic usage invoicing through Stripe Prepaid credit packs that customers can purchase Embeddable pricing table and usage widget	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	No revenue share; customers pay through your own Stripe account Works with multiple languages via HTTP check endpoint for non-Node/Python APIs Full refund in first month if a paid plan doesn't work out	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)	21 −1 (down) since last check	25 no change since last check
Trust Flow (Majestic)	17	1
Citation Flow (Majestic)	20	27
Referring domains (Majestic)	7	36

4 details filled in for both companies.

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