Set up OTP SMS verification on your website in minutes using iSMS IFRAME integration. Free for all registered iSMS accounts — no extra cost.
Register to Get Started →Bulk SMS One-Time Password (OTP) is an online transaction verification service that generates random passwords sent to users via SMS. Banks use OTP to authenticate transactions, and shopping carts use it to verify user authenticity. With iSMS, you can set up OTP for your member verification at no additional cost.
%pin% in your message template. The %pin% variable will be automatically replaced with a 6-digit one-time password by the iSMS system before sending to the user.Log in to your iSMS member account at the iSMS website.
Go to menu "SMS EXTRA" → click "SMS Verification".
Update the following settings:
Your pin is %pin%Click "Submit" to save your OTP configuration.
Copy the code shown in the "SMS Verification with iframe" section into your HTML or PHP file.
Your OTP verification is now live. Users will receive a 6-digit SMS OTP when they request verification on your website.
Need help? Contact our support team