Faxing

Securely send and receive faxes at scale

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Transfer information with high levels of security

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Fax with our simple to use service.

Inteliquent’s cloud-based Phaxio service provides your business with secure and reliable document faxing via our feature-rich APIs or our application, which can be private labeled.

Developer-Friendly API or Intuitive Faxing Interface

Make it easy for your customers to send medical records, legal documents, food orders, real estate contracts and more

Dependable Performance

Intelligently route fax calls using machine-learning algorithms to effect multiple configurations and codecs ensuring a higher level of deliverability

Always Secure

Security-focused compliance including HIPAA and SOC 2 for both fax options, as well as Level 1 PCI DSS 3.2 Service Provider and GDPR for fax APIs

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Feel confident faxes are always reliably sent.

Fax reliability is critical in many information-driven industries. Inteliquent’s fax platforms are designed and built to dependably meet all your faxing demands no matter your industry, business type, size or volume. Beat the fax machine by a mile with reliable, safer and more efficient faxing solutions.


Quickly turn up fax service on phone numbers and send calls to us over our SIP network for fax processing. Your fax messages will be carried over our completely redundant network infrastructure, giving you trustworthy and total coverage in the U.S.

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Scale up your faxing with ease.

Our infrastructure is architected to handle high volumes and automatically scales to handle nearly infinite call paths. We have a number inventory of millions of local or toll-free numbers from which you can choose, or you can bring your own. Whether a constant stream of transmissions or sudden bursts, we can help you efficiently manage your daily faxing needs.


No matter the solution you select — be assured your online faxing is always dependable and highly secure, letting you quickly scale as day-to-day demands increase.

The proof is in our platform performance.

100%

Uptime reliability

100M

Monthly fax minutes transmitted

20M

Fax pages transmitted per month

Highlighted Features

Agile fax solutions designed to inspire user and customer confidence.

Data Security
Security Minded

Our Phaxio infrastructure is compliant with HIPAA and SOC 2 and our fax API is PCI and GDPR compliant as well

Don't Lose Your Number
Automatic Retries

Seamlessly retry failed faxes due to busy lines and other fax-related errors

Intuitive Web Portal White
Easy to Understand Fax Dashboards

Quickly see the send and receive time and status of your faxes

Cost Savings
Simple, Straight-Forward Pricing

We price per page with no hidden charges, setup or monthly fees — volume pricing available

Vendor Agnostic
Simple Administration

Create and manage users, groups, roles and permissions from our customer portal plus make porting requests

Multiple File Formats
Multiple File Formats

DOC, DOCX, PDF, TIF, JPG, ODT, TXT and PNG supported by app and API, plus URL or HTML file for fetching or rendering from API

Additional Features
  • Effortless number mangement with our vast inventory and easy porting
  • Our infrastructure is ISO 27001 certified and SAS 70 Type II audited
  • Both T.38 and G711 protocols supported
  • Support for multiple devices, mobile, desktop and ATAs
  • Send faxes to multiple recipients in a single API call
  • Change time zones on your outgoing fax header via API
  • Batch faxes together when sending to a single number and queue them appropriately
  • Set automatic cancel times or use the API to cancel in-flight faxes
  • Add tags to faxes and recall faxes by tags at a later date
  • Use our API to provide the transmission stage proactively using in-flight webhooks

Let's help you get started with the best faxing solution for your business.

  • Find the right faxing solution
  • Schedule a technical review
  • Learn about pricing plans
Talk to an expert