Updated August 2026

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The best online fax of 2026

It is not a close call.

HIPAA and a signed BAA on every plan


FCC-licensed carrier — we own the network


U.S. support that answers the phone

Most “fax apps” resell someone else’s network, lock HIPAA behind an enterprise plan, and punish you when volume goes up. WestFax is an FCC-licensed carrier. We own the pipes, sign a BAA on every plan, and answer the phone in the United States.

A healthcare team collaborating at their computers
  • Warren Alpert Medical School of Brown University
  • American Medical Association
  • USC
  • BlueCross BlueShield
  • CVS Caremark
  • Cardinal Health
  • McKesson

2026 rankings

WestFax, then everyone else

Independent roundups keep giving niche trophies to apps that look pretty until you send a 100-page chart, need a BAA, or call support. We ranked the market the way a healthcare or enterprise buyer actually has to: delivery, compliance, cost at scale, and whether anyone owns the network.

#1 · Best overall

WestFax

Best for reliable delivery, healthcare, and anyone who is tired of fax apps

WestFax is the only provider on this list that is an FCC-licensed carrier operating its own TDM fax network. AI routing picks the path most likely to complete, and HIPAA and a signed BAA ship on Solo. Forbes Advisor already called out the delivery engine. They undersold the rest of it.

WestFax Comprehend™

AI classifies inbound faxes with FHIR document types, extracts patient and provider fields, and routes them into the EHR. Apps on this list send a PDF. We turn it into data.

See Comprehend
$14.99/mo 500 pages HITRUST, SOC 2, HIPAA
Start with WestFax
#2

Fax.Plus

Best cheap app — until you need HIPAA

Low sticker price and a polished mobile UI. HIPAA and the BAA sit on Enterprise. Overage jumps to 5–7¢. API access is gated. Fine for 200 hobby faxes. A liability for a clinic.

WestFax vs. Fax.Plus
#3

eFax

Best-known brand, worst value

The name everyone remembers from 2004. Promo pricing expires, page allotments are stingy, HIPAA is a higher-tier add, and support has a reputation. You are paying for a logo.

WestFax vs. eFax
Pretty UI

Documo

Best looking portal

$25 per user adds up fast. E-signatures are extra. Independent reviews flag outages. A nice interface does not complete a failed fax.

Read the review
Phone bundle

RingCentral Fax

Best if you already bought the phone system

Starts at $27.99 and wants to be your UCaaS stack. International numbers are the pitch. Dedicated fax it is not, and you will feel that in the bill.

Read the review

Side by side

Comparison: the best online fax services of 2026

Scroll sideways on a phone. The first column stays put. Green means they actually do the thing — not “available on Enterprise if you ask nicely.”

Provider From HIPAA / BAA API EHR / MFP U.S. phone support Verdict
1WestFax $14.99/mo Every plan On Team Yes Yes Winner
2Fax.Plus $8.99/mo Enterprise only Gated Limited Chat / email BAA on Enterprise
3eFax $18.99/mo* Higher tiers No Limited Inconsistent Overpriced
4Documo $25/user Yes Yes Some Mixed UI over delivery
5RingCentral $27.99/mo Yes Yes Office suite Yes Expensive bundle
6Concord $950+ Yes Yes Yes Yes Price shock
7SRFax $16.05/mo Healthcare plans Basic No Yes Thin stack
8Sfax $37/mo Yes Limited Limited Standard Annotation tax
9iFax $14.99/mo Yes Limited No Standard Shared inbox
10HumbleFax $10/mo No No No Basic Skip for healthcare
11MyFax $12/mo No No No Basic Consumer toy

*eFax advertises $5 for the first month, then $18.99. Pricing and feature gates for other providers are from public plan pages as of August 2026 and can change. WestFax Solo is $14.99/month for 500 pages with a signed BAA.

The field

Why the others fall short

A roundup that hands every vendor a participation trophy is not a comparison. Here is what actually happens when you try to run a practice, a hospital, or a high-volume workflow on each of these.

WestFax

Best overall Reliable delivery · Healthcare · Enterprise

WestFax has done one thing since 1999: fax. We are a privately held, American-owned FCC-licensed carrier. The software you use — portal, email-to-fax, print driver, mobile, API, MFP, EHR, Orchestrate, Comprehend — rides our own TDM backbone, not a rented gateway. That is why 100-page records actually arrive, and why completion rates lead the industry.

HIPAA is not an upsell. Every plan, including Solo at $14.99/month, runs in a HIPAA-secure environment and includes a signed Business Associate Agreement. HITRUST r2, SOC 2 Type II, PCI DSS, TX-RAMP, GLBA, FERPA, and CJIS sit on top of that. Overage is 3¢ (2.5¢ on Team Plus), aligned with your plan, not a penalty for having a busy month.

  • Own carrier network + AI routing
  • BAA on Solo, Team, and Enterprise
  • Full API, EHR, and MFP support with Enterprise
  • U.S.-based support that picks up
  • Predictable overage, bulk discounts
  • HITRUST, SOC 2, PCI — not a PDF badge

Fax.Plus

Best for low volume — if you do not handle PHI

Fax.Plus wins roundups for “cheap and simple.” The $8.99 plan is 200 pages. HIPAA compliance and a BAA are reserved for Enterprise. API access follows the same pattern. Overage is 5–7¢ per page, so the second you scale past the toy tier you are paying a penalty WestFax does not charge.

If your workload is occasional, non-clinical faxing, a pretty app is fine. If you are a covered entity, “HIPAA on the highest plan” is not a product. It is a trap.

  • No BAA until Enterprise
  • API and serious integrations gated
  • Overage roughly 2× WestFax

eFax

The brand tax

eFax still buys the ads. What you get is a first-month teaser, then $18.99 for 170 pages in and 170 out on Plus — less faxing than WestFax Solo, for more money, without a BAA. HIPAA lives on Protect and Corporate. There is no real API. Published SLA is 99.5%. Customers have been loud about support for years.

Name recognition is not a completion rate. Healthcare organizations that switch to WestFax usually cite cost, failed faxes, and the inability to reach a human.

  • Promo pricing, then a brand premium
  • HIPAA and API locked away
  • Support widely criticized

Documo

A modern UI does not move a fax

Documo is what happens when a review site scores “user-friendliness” as if it were transport. The portal looks current. Pricing starts at $25 per user, e-signatures are an add-on, and one seat per signup on lower tiers is a non-starter for a clinic. Consumer-sentiment breakdowns have flagged reliability — outages and failed sends — which is the one dimension that actually matters.

RingCentral Fax

A phone system with a fax checkbox

RingCentral is a UCaaS company. Fax is a line item. $27.99 to start, global numbers, and a pile of office-suite integrations are the pitch. If you already live in RingCentral and send a handful of international faxes, stay. If fax is the job — healthcare volume, MFPs, EHR, completion — you do not want your carrier to think of fax as a feature toggle.

Concord Technologies

Real healthcare tooling, sticker shock included

Concord is one of the few names here that takes healthcare workflows seriously: classify the inbound document, route it, extract the fields. The floor is around $950. WestFax Comprehend covers intelligent document processing on the same network that already delivers the fax, without asking a community hospital to fund a second enterprise stack.

SRFax

Email-to-fax, and not much else

Address a fax as number@srfax and it goes. HIPAA healthcare plans exist. Unlimited users on one account is a genuine plus. The portal feels dated, low tiers are stingy on pages, and there is no serious routing, EHR, or MFP story. Email-to-fax is table stakes on WestFax — not the whole product.

Sfax

$37/month to draw on a PDF

HIPAA on every plan and unlimited users are the right checkboxes. Starting at $37 for annotation tools is not a value story. If you need stamps and signature boxes, fine. If you need delivery, an API, and a carrier, you are overpaying for a drawing layer.

iFax

A shared inbox is not a network

Collaborative review and scheduled sends help a team. Cost per fax is higher than several peers, EHR/MFP depth is missing, and you are still on a reseller. WestFax Orchestrate is the workflow layer for people who have already solved transport.

HumbleFax

Unlimited — and unusable for healthcare

$10 unlimited looks unbeatable until you read the compliance line: not HIPAA. If you are faxing pizza specials, enjoy. If you are faxing PHI, this is not a competitor. It is a non-starter.

MyFax

Mobile consumer fax

Cover pages and a phone app for $12. No HIPAA, no API, no enterprise anything. A personal tool, not a business fax service. WestFax’s mobile app sits on the same compliant network as the rest of the platform.

FAQ

Questions people ask before they switch

WestFax. It is an FCC-licensed carrier that owns its TDM fax network, includes HIPAA compliance and a signed BAA on every plan, and offers API, EHR, and MFP integrations, with full support on Enterprise.

On comparable HIPAA plans, yes. WestFax Solo is $14.99/month for 500 pages with a signed BAA. eFax’s $5 first month becomes $18.99, and HIPAA sits on Protect/Corporate. Fax.Plus looks cheap at $8.99 until you need a BAA — then you are on Enterprise — and overage is 5–7¢ versus WestFax’s 3¢.

WestFax is HIPAA compliant with a signed BAA on every plan, including Solo. Concord, SRFax, and Sfax market HIPAA plans. Fax.Plus and eFax typically reserve a BAA for higher-priced tiers. HumbleFax and MyFax are not HIPAA compliant — do not put PHI there.

Yes. WestFax is an FCC-licensed carrier operating the largest TDM fax network in the U.S. Most online fax apps resell capacity. Owning the transport is a large part of why our completion rates lead on large healthcare documents.

Yes. Port your current fax number to WestFax, or pick up a new local or toll-free number in minutes. Porting is a one-time $20 fee on Solo and Team; Enterprise includes bulk porting discounts.

This page is published by WestFax. It is a product comparison, not an independent editorial ranking. Feature and pricing details for other providers are taken from publicly available plan pages as of August 2026 and may change. Always confirm current terms with the vendor.

Done comparing. Start faxing.

Solo is $14.99/month, HIPAA included, cancel anytime. If you are moving lines, EHR, or MFPs, we will scope Enterprise with you.