Use Cases

OTP & Authentication

Verify sign-ins, payments and account changes with fast one-time passcodes.

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OTP traffic is prioritised for speed, with voice fallback for customers who do not receive the SMS.

Channels that fit this use case

Reliable business messaging at scale.

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Connect with customers through voice.

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Clear answers to the questions we hear most. If yours is not here, ask us directly.

How fast is OTP delivery typically?

SMS OTPs are prioritised for speed and typically arrive within seconds under normal network conditions, with voice OTP available as a fallback.

Can OTP be sent over WhatsApp?

Yes, WhatsApp supports authentication template messages for OTP delivery, usually alongside SMS as the primary channel.

Tell us what you are trying to achieve. We will help you choose the right mix of SMS, WhatsApp, RCS, Voice and Email and get you started.