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InterFAX
InterFAX · Austin, Texas · founded 1996
What it is
InterFAX is a hosted online fax service for sending and receiving faxes through web-connected applications without installing software. Users can fax through email, the web interface, mobile devices, or scanning devices; inbound and international faxing are supported. Developers can connect faxing to applications through REST and SOAP APIs. Listed integrations include Epic, Salesforce, OncoEMR, and email providers. The service describes TLS encryption for inbound and outbound faxes, signature authentication, and an option to delete a fax after completion. Other listed tools include customizable headers and cover pages, user permissions, delivery confirmations, automatic retries, OCR, document workflows, activity reporting, and an audit trail. Bulk fax broadcasting supports up to 20,000 recipients. InterFAX describes support for HIPAA, PHIPA, and PCI DSS compliance, and ISO 27001 accreditation. The maker states it offers 24/7/365 customer support and local-language phone support in 58 countries. Pricing is available on request, with a 30-day trial and no free plan. Prepaid use has no monthly minimums or fees; fax reception is subscription-based and includes a monthly page allowance.
For and against
For
- Supports REST and SOAP integrations
- Offers inbound and international faxing
- Bulk broadcasts can reach up to 20,000 recipients
- Includes activity reporting and an audit trail
Against
- No free plan
- Pricing is available on request
- No mobile apps are listed
The verdict
InterFAX offers several ways to send and receive faxes, plus API access and document-handling tools. Buyers should note the lack of a free plan and request pricing for their needs.
Who it suits
InterFAX may suit organizations that need hosted inbound or international faxing, application integrations, or API-based workflows. Its listed compliance support and audit features may be relevant to teams handling sensitive fax traffic.
Plans and prices
Monthly subscription
fax reception is subscription-based and includes a monthly page allowance
Read 12 Oct 2026 · uplandsoftware.com
Prepaid pricing package
send faxes without monthly minimums or fees
Read 12 Oct 2026 · uplandsoftware.com
On the record
- API
- The developer API supports REST and SOAP for integrating cloud fax into applications.uplandsoftware.com · read 12 Oct 2026
- Audit
- The overview datasheet lists automated activity reporting and a full audit trail of sent and received faxes.uplandsoftware.com · read 12 Oct 2026
- Compliance
- The product page describes InterFAX as HIPAA-, PHIPA-, and PCI DSS-compliant and ISO 27001-accredited.uplandsoftware.com · read 12 Oct 2026
- Compliance support
- hipaauplandsoftware.com · read 23 Sep 2026
- Developer testing
- The developer program offers free faxing to one designated number for testing integrations.uplandsoftware.com · read 12 Oct 2026
- Document capture
- The overview datasheet lists automated data extraction and indexing, OCR, conversion, compression, and customizable document workflows.uplandsoftware.com · read 12 Oct 2026
- Fax volume
- The overview datasheet says bulk fax broadcasting supports up to 20,000 recipients.uplandsoftware.com · read 12 Oct 2026
- Free trial
- The official site advertises 30 days of free credits for a free trial.uplandsoftware.com · read 12 Oct 2026
- Inbound faxing
- Yesuplandsoftware.com · read 23 Sep 2026
- Integrations
- The product page lists integrations with Epic, Salesforce, and OncoEMR, and also names email providers.uplandsoftware.com · read 12 Oct 2026
- Interface features
- InterFAX lists customizable fax headers and cover pages, granular user permissions, delivery confirmation policies, and automatic retry settings.uplandsoftware.com · read 12 Oct 2026
- International faxing
- Yesuplandsoftware.com · read 23 Sep 2026
- Mobile apps
- Nouplandsoftware.com · read 23 Sep 2026
- 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.uplandsoftware.com · read 12 Oct 2026
- Product
- InterFAX is a hosted online fax service for sending and receiving faxes from web connected applications without installation.uplandsoftware.com · read 12 Oct 2026
- Security
- InterFAX describes TLS encryption for inbound and outbound faxes, private and public key signature authentication, and a delete fax after completion feature.uplandsoftware.com · read 12 Oct 2026
- Support
- InterFAX states it offers 24/7/365 customer support and local language support experts by phone in 58 countries.uplandsoftware.com · read 12 Oct 2026
- Ways to fax
- Users can send and receive faxes through email, the native web interface, mobile devices, and scanning devices.uplandsoftware.com · read 12 Oct 2026
