Authkey.io is powered to send SMS, Email, Voice, and WhatsApp via all three channels individually or parallelly.
Authkey offers a single API platform for SMS, Voice calls, Email, OTP, 2FA, WhatsApp marketing campaigns, and secure Login.
The
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application is built keeping in mind that it would be used for a variety of purposes, such as sending OTPs and sending notifications, SMS, Voice Calls, Emails, etc.