If you want to enable Two-factor authentication with SMS services then you can try MSG91 OTP sending services called SendOTP. They have built a dedicated platform to send OTP SMS directly from the website where you just have to integrate API on your platform. Two-factor authentication services by MSG91 can provide you the most secure way to verify your users. Try Now.

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Visit Us: PHP SMS API - https://msg91.com/
Add: 405-406, Capt. C.S. Naidu Arcade,
Near Greater Kailash Hospital, 10/2 Old Palasia, Indore, Madhya Pradesh, India-452018
Contact Number: 8818888733
E-mail: khushboo@msg91.com