# InterFAX review (2026): is it worth $9.95 a month? > Cloud fax by subscription or prepaid credit, with REST and SOAP APIs Checked Nov 12, 2026 ยท graded Nov 12, 2026 by ToolGPA. InterFAX is a cloud fax service now sold by Upland Software. It offers monthly subscriptions that include a local number, prepaid page packages with no monthly commitment, and custom plans for high volumes. Faxes can be sent from email, Outlook, Gmail, Salesforce, Epic and OncoEMR, or through REST, SOAP and SMTP APIs. - **Category:** Online Fax - **Made by:** Upland Software, Inc. - **Website:** https://uplandsoftware.com/interfax/ - **Runs on:** Web - **Who should skip it:** Skip it if you want a yearly rate, as prices are shown monthly only. - **Facts last checked:** Nov 12, 2026 ## Pricing As of Nov 12, 2026, InterFAX is a paid product with a free trial, starting at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly. - **Pricing model:** Free trial - **Free plan:** None. - **Free trial:** Free trial on monthly plans; the product page offers 30 days of free credits. | Plan | Price | What you get | | --- | --- | --- | | Fax + 200 | $9.95 per month for 100 inbound and 100 outbound pages, billed monthly | Local fax number included, no setup fee or contract; $0.09 per additional page. | | Fax + 500 | $22.95 per month for 250 inbound and 250 outbound pages, billed monthly | Local number included, no contract; $0.09 per additional page. | | Fax + 1000 | $42.95 per month for 500 inbound and 500 outbound pages, billed monthly | Local number included, no contract; $0.08 per additional page. | | Custom | Custom | Built with sales: toll-free numbers, multiple lines, extra security options and data sovereignty at high volume. | | Pre-paid Basic | $10 one-time purchase of 91 pages at $0.11 per page | No monthly commitment or minimum. A $50 Level 1 package gives 500 pages at $0.10; larger packages come from sales. | Read from https://uplandsoftware.com/interfax/prices/pricing-overview/ on Nov 12, 2026. Prices change, so confirm with InterFAX before buying. ## Ways to pay less - **Free developer program with free faxing to one number** (Other savings): InterFAX says its free Developer program includes API access, free faxing to one number and expert support. Source: https://uplandsoftware.com/interfax/developers/ ## Key features - **REST, SOAP and SMTP APIs:** Developers can add faxing to an application with REST, SOAP or SMTP APIs and GitHub libraries for Java, .NET, PHP, Ruby and more. - **Email and desktop integrations:** Send faxes from Gmail, Outlook or any email client over SMTP, and fax from inside Salesforce. - **Healthcare integrations:** Connectors are listed for Epic 2017 and later and for OncoEMR, with HIPAA and PHIPA alignment stated for inbound and outbound faxes. - **Compliance options:** The vendor lists SOC 2 audited, ISO 27001 accredited and HIPAA compliant, plus PCI DSS compliant outbound faxing for a small extra fee per fax. - **Web admin and worldwide servers:** A web admin screen monitors usage, and servers in several regions are offered for data sovereignty. ## Good for - Organizations that want a fax API alongside a plain subscription - Healthcare and finance teams that need compliance statements and EMR integrations - Occasional senders who prefer prepaid pages to a monthly plan ## Worth knowing - Subscription prices are shown monthly only; no annual rates are listed. - Pages longer than one minute are charged in six-second increments at one-tenth of the per-page cost. - Toll-free numbers, multiple lines and larger prepaid packages need a custom quote from sales. - PCI DSS compliant outbound faxing costs an additional fee per fax; the fee is not published. ## ToolGPA grades **GPA: 2.4 out of 4**, graded Nov 12, 2026. InterFAX is an Upland fax service with REST, SOAP and email APIs, plus connectors for Epic and Salesforce and SOC 2 and HIPAA statements. Plans start at $9.95 a month for 100 pages in and 100 out, with $0.09 for each extra page, and toll-free numbers and larger packages need a sales quote. - **Value for money: C.** $9.95 a month for 100 inbound and 100 outbound pages, matching the category's $9.95 middle. Extra pages are $0.09 each, and long pages are billed in six-second steps. - **Free plan and trial: C.** A free trial on monthly plans, which the product page describes as 30 days of free credits. The listing doesn't say if a card is needed. - **Features: B.** REST, SOAP and SMTP APIs, Gmail and Outlook sending, Salesforce and healthcare connectors, and SOC 2, ISO 27001 and HIPAA statements. The listing shows no gap in the fax job itself. - **Ease of use: C.** No store rating on record. The pitch is built around developers and IT teams wiring fax into other software. - **Platforms and integrations: B.** Web admin, with REST, SOAP and SMTP APIs, code libraries on GitHub, and Epic, OncoEMR and Salesforce connectors. No phone or desktop app is listed. These are ToolGPA's own grades. Graded from this listing, whose facts were read from InterFAX's own pages on 12 November 2026, though its pricing page would not load for us on this check. Not based on using the product, and shorter than our full reviews. ## Where it stands among online fax services - InterFAX's GPA of 2.4 is higher than 14 of the 24 other online fax services we grade, and level with 7. - It stands best on features (B, above 14 of 24) and worst on value for money (C, above 2). - Its paid plans start at $9.95 a month, against a middle price of $8.33 for the category: 9 of the 16 others that charge start lower. - On features, ease of use and platforms it scores 2.7 out of 4. 2 tools score higher and cost less. The category's chart of price against score: https://toolgpa.com/charts/online-fax ## Keep it, or make your own? **Keep it.** To replace InterFAX you would be making fax numbers connected to the phone network. That is not a weekend's work, with an AI app builder or without one. It costs $119.40 a year. - You could not: Fax numbers connected to the phone network. - You could not: Connections to other products, each kept working as those products change. - You could not: What a company asks for before it lets staff use something: SOC 2 and HIPAA. - You could not: The depth: we grade its features B, which means it covers the whole job. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. ## Works with Salesforce, Gmail, Microsoft Outlook, Epic, OncoEMR **Tags:** Online fax, Public API, Workflow automation ## Alternatives - [SRFax](https://toolgpa.com/tools/srfax): Email-to-fax service with HIPAA plans and a REST API. [Compare](https://toolgpa.com/compare/interfax-vs-srfax) - [eFax](https://toolgpa.com/tools/efax): Online fax by email, web and apps, with personal and business plans. [Compare](https://toolgpa.com/compare/efax-vs-interfax) - [Phaxio](https://toolgpa.com/tools/phaxio): Pay-per-page fax API for developers, from 7 cents a page. [Compare](https://toolgpa.com/compare/interfax-vs-phaxio) - [Notifyre](https://toolgpa.com/tools/notifyre): Pay-per-page online fax and business texting, with a fax API. [Compare](https://toolgpa.com/compare/interfax-vs-notifyre) - [Sfax](https://toolgpa.com/tools/sfax): HIPAA cloud fax for healthcare offices, with print drivers and an API. [Compare](https://toolgpa.com/compare/interfax-vs-sfax) ## Sources The prices, plans, platforms and features above were read from these pages on Nov 12, 2026: - https://uplandsoftware.com/interfax/prices/pricing-overview/ - https://uplandsoftware.com/interfax/ - https://uplandsoftware.com/interfax/why-interfax/integrations/ - https://uplandsoftware.com/interfax/developers/ Page: https://toolgpa.com/tools/interfax Listed by ToolGPA (toolgpa.com).