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
“We came to the conclusion that we need a purely European supplier. Turned out, Retarus was the best. Quality of Service, EU-based. We only use Retarus. You beat 'em all!”
Read customer story Brian Schau, Head of Development, twoday A/S
“We attach great importance to complying with regulatory requirements. With Retarus, we have a multi-channel communication partner who understands what we need as a bank. We were also able to see this for ourselves in an in-depth audit.”
Read customer story Carsten Hoffmann, Operational Manager, DZ Bank AG
“The Beth Israel Lahey Health System was challenged with several outdated faxing systems and a significant failure rate with a high TCO, leading us to look for a secure, consolidated, cloud-based solution with Epic integration. [...] Not only have we saved millions of dollars associated with faxing services, but we also reduced the failure rates which resulted in overall operational efficiency.”
Read customer story James Roeber, Director of Infrastructure Solutions, Beth Israel Lahey Health System
“Retarus Enterprise SMS has been running reliably for years – and whenever we have a question, support responds quickly and competently. That kind of dependability makes all the difference.”
Read customer story Dachser
“Retarus fully meets our goal of providing a standardized fax solution that can be used worldwide and complies with legal requirements.”
Read customer story Benjamin Bönning, System Consultant Communication, B. Braun Melsungen AG
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.