Choosing an OTP Channel: SMS, WhatsApp, Telegram, or Email
A practical guide to choosing between SMS, WhatsApp, Telegram, and email for one-time passcodes, comparing reach, latency, and fallback strategy.
Posts tagged “deliverability”
A practical guide to choosing between SMS, WhatsApp, Telegram, and email for one-time passcodes, comparing reach, latency, and fallback strategy.