Template Name: OTP Verification Using Sms4india Api With Php and Mysql.

High Resolution: – Yes.

Compatible Browsers: – All Browser.

Source Files included: – HTML, External CSS, and PHP.

OTP verification is used for security purposes during registration or login time. So here, we made OTP Verification using the third-party API with some PHP functions and validation. Here we also used a database for a matching purpose OTP is right/wrong.

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In this OTP verification, we used one form with some primary input fields. Also, for validation purposes, we used submit function, which we write in code. Here we used sms4india free API(25 messages only) with the primary API key and secret keys.

How to create an account in Sms4india:-

Step 1: Create an account in sms4india.

Step 2: After Login, Click To Api and See over The Navbar.

Step 3: Click on Test Key, Then Copy API Key And Secret Key, Paste "apikey=''&secret='', and remove the Comma.

Step 4: Then They Provide Only 25 Test Free SMS.

After that, you have to create one database with one table. Under the table, you have added 3 Columns contact numbers, OTP, and time. Then make a connection in the PHP file.