Plug & Play: Business Communication Integrations Into SAP

Unlock reliable business messaging for SAP ERP Applications with Retarus, a trusted partner for fax, SMS, EDI, e-Invoicing, IDP and email services.

All In: SAP BTP, BC-SMTP & RFC

Easily connect our messaging solutions via APIs, open standards, SAP-certified connectors and add-ins whether you run cloud, hybrid or on-prem scenarios.

One for All and All for One.

Let Retarus’ cloud solutions help SAP applications to better communicate with customers, suppliers and partners via email, fax, SMS, and EDI.

Prepared for Success

Our in-depth documentation and our API Knowledge Center allow you to test APIs functionalities without any implementation efforts.

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API Call

Cloud Connector

API Call, REST (OAS), SOAP, GraphQL, SMTP
Authentication: BasicAuth, oAuth, Encryption via http/s, TLS

BC-SMTP, BC-RFC Authentication: Domain/Tenant-Level Encryption via SNC, VPN

Real-time status notifications

HTTPS, API

API Call

Cloud Connector

API Call, REST (OAS), SOAP, GraphQL, SMTP
Authentication: BasicAuth, oAuth, Encryption via http/s, TLS

BC-SMTP, BC-RFC Authentication: Domain/Tenant-Level Encryption via SNC, VPN

Real-time status notifications

HTTPS, API

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

Discover How Retarus Can Transform Your SAP Communication Capabilities

Fax for SAP

Send and receive faxes via your SAP applications. Get the scalability and reliability that your communications deserve.

Learn more

Transactional Email for SAP

The best Transactional Email solution with native integrations for SAP BTP Integration Suite and S/4HANA via REST and SMTP.

Learn more

SMS for SAP

Send secure text messages from your SAP environment via the BC-SMTP interface. Enhanced quality and with no peak times for high volume campaigns.

Cloud EDI Gateway for SAP

The B2B enterprise cloud solution for efficient and secure data exchange for SAP applications.

Want to Find Out More About Retarus SAP Integrations?

Everything You Need to Know

For product specifications, administrator manuals, integration guides, connectors and more, see our documentation center.

Interact with Our Messaging APIs

Get detailed API references and try out APIs on a mock-server without implementation efforts.

In Good Company

We partner with the experts for best-run SAP systems: the major SAP global service partners.

Frequently Asked Questions

What SAP applications does Retarus integrate with?

Retarus integrates with SAP S/4HANA (cloud and on-premises), SAP ECC, SAP Business One, SAP Business Technology Platform, and various SAP industry solutions. Our connectors support both classic SAP environments and modern SAP cloud deployments.

What integration options does Retarus offer?

For the SAP BTP Integration Suite Retarus provides Open Connectors and Integration Flows for SAP Business Technology Platform (BTP) Integration Suite, enabling flexible connectivity and streamlined processes. For on-prem and legacy applications, BC-SMTP is supported.

How quickly can the Retarus SAP integration be implemented?

Most standard integrations can be implemented within days. If you already have a trusted service provider (listed as SAP global service partner), you can easily source our services via them. We are well connected with the major SAP partners. Also, we provide comprehensive support throughout the implementation process, from initial setup to testing and go-live.

How can I monitor my SAP communications processed by Retarus?

The Retarus Enterprise Administration Portal (EAS) provides real-time monitoring and detailed reporting of all your communications. Additionally, our SAP integrations support status updates directly within your SAP system. We also provide a reporting API for integration into your current monitoring system.

How does Retarus support compliance requirements for SAP communications?

Retarus implements comprehensive security measures including end-to-end encryption, digital signatures, and tamper-proof audit trails. Reliable, compliant with the strictest data protection guidelines, and provided in auditable data centers, enabling local data processing on three continents. Our solutions help maintain compliance with regulations such as GDPR, HIPAA, TISAX, and industry-specific requirements. Retarus offers maximum reliability and transaction security, transparent reporting, and centralized management. Read more