OTP delivery with Retarus: retain customers, relieve IT, ensure success
With Retarus, you can rely on every OTP being delivered exactly as your customers expect: quickly and directly, by email or SMS.
Reliably delivered OTPs are the prerequisite for secure and smooth authentication and verification along the customer journey. They strengthen customer loyalty, protect your IT resources and contribute to the success of your company.
How much better could your customer experience and customer loyalty be? Find out – with a quick performance check by our messaging experts.
Reliably delivered OTPs are the prerequisite for secure and smooth authentication and verification along the customer journey. They strengthen customer loyalty, protect your IT resources and contribute to the success of your company.
How much better could your customer experience and customer loyalty be? Find out – with a quick performance check by our messaging experts.
Every error-free OTP strengthens customer loyalty, every lost or delayed OTP weakens it.
Request a non-binding performance check now:
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Reliable OTP delivery by e-mail or SMS
Whether for registration, login via 2FA/MFA, password recovery, device verification, remote access, changes to account settings or document retrieval – Retarus ensures that your OTPs arrive. By e-mail or SMS, depending on your needs.
Top Inbox Placement
Sending via whitelisted, CSA-certified IPs - for a strong sender reputation.
SMS without detours
Intelligent route selection - for reliable delivery of transactional SMS worldwide.
Crisis-tested
Critical communication during the coronavirus crisis: reliable and compliant implementation.