This is a sample code of bdbulksms.net OTP API. bdbulksms.net is one of the best bulk sms service provider in bangladesh. We have woocommerce/wordpress sms plugin and powerful sms api for integrating with any kinds of softwares or applications. you can use it in your software or any application. this repo will show you simple way of adding an otp system in your login or any page. dont forget to visit bdbulksms.net for more information.

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You're free to modify it and use it as per your purposes. Do not forget to set the SMS sending limits per IP and Mobile number wise.