Transfer information with high levels of security





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.
Make it easy for your customers to send medical records, legal documents, food orders, real estate contracts and more
Intelligently route fax calls using machine-learning algorithms to effect multiple configurations and codecs ensuring a higher level of deliverability
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

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.
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
Agile fax solutions designed to inspire user and customer confidence.

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

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

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

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

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

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
- 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