A Better Customer Experience Driven with Superior Communication Technology
We deliver critical messages to the right place while giving customers transparency over business processes, fax, email, and SMS communications.
CX Does Not Compromise
Do not settle for second best. Choose Retarus to receive, process and send critical documents at scale. Secure, reliable and compliant.
One Vendor, All Relevant Channels
Engage with customers via their preferred channel and benefit from central reporting and administration for fax, email, SMS, or RCS combined.
Always the Best Connection
Choose between multiple connection methods as needed including MuleSoft, APIs, pre-built connectors, adapters and direct integrations.
Customer Ratings and Reviews
“With Retarus WebExpress our marketing department is able to take action much faster than before. Fax campaigns can now even be sent at short notice without difficulty.”
Read customer story Karl-Heinz Aupperle, Marketing Head, winkler Group
“Swift and simple filtering and prioritization of information are the basis of any effective communication process.”
Read customer story Peter Zündorf, Head of IT systems, Deutscher Sparkassen- und Giroverband (DSGV)
“The efficient, neat implementation did not only win us over, but also our business partners. One big automobile manufacturer expressly pointed out the quick reaction times and general expertise of the Retarus team.”
Read customer story Alexander Grothe, eCommerce Team Leader, Optibelt GmbH
“We send more than a million faxes every year, so we were looking for a service provider who could reliably handle our high fax volumes, even at peak times such as the run-up to Mother’s Day. Retarus met every single one of these requirements.”
Read customer story Marc Ober, IT Director, Interflora France
“We will eliminate all of Austrian Post’s remaining fax servers step by step replacing them with the appropriate Retarus services.”
Read customer story Reinhard Knie, Head of Solution Management CEE , Atos
Explore Our Solutions for Different Customer Experience Platforms
Deep Dive Into Our Integrations for CX and Other Applications
Everything You Need to Know
For product specifications, administrator manuals, API tutorials and more, see our documentation center.
Interact with Our Messaging APIs
Try out our APIs functionalities in a mock-server environment without any implementation efforts.
In Good Company
We partner with leading Microsoft Solution Partners, who implement our products into your processes.
Frequently Asked Questions
How does Retarus differ from native communication tools?
Unlike basic native tools, Retarus provides enterprise-grade messaging infrastructure with global delivery capabilities, advanced tracking, regulatory compliance, and 24/7 service monitoring. Our solutions extend your CX platform's capabilities with specialized business messaging expertise developed over 30+ years in the industry.
What type of integrations does Retarus offer for Salesforce?
Retarus offers multiple connection methods including MuleSoft, direct SMS integration, and SMTP adapters for fax, SMS, and email to automate customer notifications, document delivery, and communication workflows. Learn more in our Salesforce Integration Documentation.
How quickly can Retarus integrations be implemented?
Most Retarus integrations can be deployed within days rather than weeks or months. Our pre-built connectors for major platforms like Salesforce and Microsoft minimize development resources while our expert implementation team ensures smooth configuration and testing.
Can I send automated transactional messages through Retarus integrations?
Absolutely. Retarus integrations support fully automated messaging workflows triggered by events in your CX platforms. Whether it's appointment confirmations, billing notifications, or service updates, communications can be personalized and delivered through the customer's preferred channel.