InterFAX

8.3easy start · #5of 105
in Online Fax Services

Free trialyes
Well documentedyes
Runs where you workyes

Runs on Android, api, iOS, Web, Windows.

InterFAX is ranked #5 of 105 in online fax services on The Geeks Club, made by InterFAX (Austin, Texas). It runs on Android, API, iOS, Web, Windows. A free trial is offered.

InterFAX plans and pricing

All plans

Prepaid pricing package Prepaid; no monthly commitment. send faxes without monthly minimums or fees uplandsoftware.com · 12 Oct 2026

Monthly subscription Monthly subscription; choose a rate and adjust or cancel anytime. fax reception is subscription-based and includes a monthly page allowance uplandsoftware.com · 12 Oct 2026

Compared on online fax services

Free plan: No
Virtual fax number: Yes
Inbound faxing: Yes
Mobile apps: No
International faxing: Yes
Compliance support: hipaa

Best InterFAX alternatives

See all 20

GTC Cloud-Fax Lesson 18.8 OTG Networks vFax Lesson 28.6 Dropbox Fax (formerly HelloFax) Lesson 38.5 FAX.PLUS Lesson 48.4 FaxTerra Lesson 68.3 DialPhone Online Fax Lesson 78.2

The record

Product: InterFAX is a hosted online fax service for sending and receiving faxes from web connected applications without installation.
Ways to fax: Users can send and receive faxes through email, the native web interface, mobile devices, and scanning devices.
API: The developer API supports REST and SOAP for integrating cloud fax into applications.
Integrations: The product page lists integrations with Epic, Salesforce, and OncoEMR, and also names email providers.
Fax volume: The overview datasheet says bulk fax broadcasting supports up to 20,000 recipients.
Security: InterFAX describes TLS encryption for inbound and outbound faxes, private and public key signature authentication, and a delete fax after completion feature.
Compliance: The product page describes InterFAX as HIPAA-, PHIPA-, and PCI DSS-compliant and ISO 27001-accredited.
Audit: The overview datasheet lists automated activity reporting and a full audit trail of sent and received faxes.
Interface features: InterFAX lists customizable fax headers and cover pages, granular user permissions, delivery confirmation policies, and automatic retry settings.
Document capture: The overview datasheet lists automated data extraction and indexing, OCR, conversion, compression, and customizable document workflows.
Support: InterFAX states it offers 24/7/365 customer support and local language support experts by phone in 58 countries.
Pricing model: The datasheet says fax transmission is usage-based and charges apply only to successfully sent faxes, while fax reception is subscription-based with included monthly pages.
Free trial: The official site advertises 30 days of free credits for a free trial.
Developer testing: The developer program offers free faxing to one designated number for testing integrations.

Where it ranks on The Geeks Club

Best Online Fax Services in 2026#5 of 105

Is InterFAX yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote InterFAX

Sources

uplandsoftware.com/interfax/resources/data-sheet/interfax-· checked 12 Oct 2026
uplandsoftware.com/interfax/wp-content/uploads/interfax-ov· checked 12 Oct 2026
uplandsoftware.com/interfax/developers/· checked 12 Oct 2026
uplandsoftware.com/interfax/· checked 12 Oct 2026
uplandsoftware.com/interfax/resources/data-sheet/secure-cl· checked 12 Oct 2026
uplandsoftware.com/interfax/developer-registration/· checked 12 Oct 2026
uplandsoftware.com/interfax/resources/blog/how-easy-it-is-· checked 12 Oct 2026