Native Fax APIs and Gateways for Cloud Fax That Solve Complex Challenges
Integrate Cloud Fax into your business using APIs, gateway or FTP. Consolidate and simplify fax communications across your entire organization.
Familiar, Open Standards
Fully Customizable
Rely on the Experts
You know your business, we know fax. Our experts help you scope your requirements and implement the right solution without disrupting operations.
Customer Ratings and Reviews
“We chose Retarus because they offered the most harmonized overall concept. In addition to the flexibility, speed and price-performance ratio, we were also convinced by their personal approach and the transfer of know-how.”
Read customer story Dominik Reichle, Channel Specialist EDI, Leuze
“We are delighted to have Retarus as a reliable and forward-thinking partner at our side.”
Read customer story Sales Project Management, Engelbert Strauss GmbH & Co. KG
“The system and process are stable – an order confirmation rate of more than 97 percent speaks for itself.”
Read customer story Ute Bätz, IT Operations, IT & Process Management , EagleBurgmann Germany GmbH & Co. KG
“Retarus has proven to be a reliable partner and has made a decisive contribution to the digital transformation of our accounting processes.”
Read customer story Anja Harms, Head of Accounting, Keller & Kalmbach
“Our mail users have no troubles with using the processes related to Retarus. Releasing spam, maintaining personal black- and whitelists and understanding the need of an antispam/antimalware protection.”
Read full review IT Services, Management / Business Consulting
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, and TX-RAMP. 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.