Familiar, Open Standards
Fully Customizable
Customer Ratings and Reviews
Which Cloud Fax Integration Works Best for Your Business?

Find Out More About Retarus Cloud Fax
Analyst Reports
Find out what leading international analyst firms such as Gartner and IDC have to say about Retarus.
Product Documentation Center
Documentation, configuration and administration manuals, feature descriptions and more.
API Knowledge Center
Find API descriptions, mock servers and more in our integration documentation for developers.
Reliable Faxing and All IP
Ensure that you can continue to send and receive faxes after moving to an All IP environment.
Frequently Asked Questions
Is the migration from fax servers to enterprise cloud fax difficult?
Not with us. Enterprises often have complicated requirements or critical processes that cannot be interrupted, but we have experience from thousands of successful cloud-based fax migrations with many of the world’s leading companies.
Can we keep our fax numbers?
Yes, for example by porting your numbers to us. Get in touch with us and we’ll help you find out which option works best for you.
Is Cloud Fax secure?
Yes. We operate under a strict data security framework, and our processes and data centers are audited annually. We hold certifications such as SOC2, ISO27001, HITRUST, TX-RAMP and PCI DSS. Our products are compliant with HIPAA, GDPR, NIST, FERPA, CCPA, and more. We can process all data locally and in coordination with your compliance requirements if necessary.
Where can I find out more?
Read our case studies and analyst reports. Check out our corporate blog and upcoming webinars, and feel free to book a demo. We’re always happy to help.