Telesign offers a unified Messaging API that enhances communications and account security across web and mobile applications. It supports two-way messaging for engaging, direct conversations and configurable channel failover to ensure seamless user experiences. Real-time notifications, such as appointment reminders, personalize interactions, while number masking protects privacy through secure virtual numbers. Covering multiple channels—including SMS, email, WhatsApp, Viber, MMS, and RCS—Telesign’s API empowers businesses to build secure, flexible, and reliable messaging solutions that improve customer engagement globally.

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