OTP based Authentication in Oracle APEX using Twilio
Recently, a new requirement came up to implement One Time Password (OTP) based authentication in Oracle APEX. In this, the user will enter his mobile number on the login page and will receive an OTP via SMS. The user will then enter the OTP on the login page and be able to authenticate himself in the APEX app. When I started working on this requirement, first I identified all the steps that I need to implement for the solution. Below are the steps that I followed: 1. Generate the OTP and temporarily store it in a database table. 2. Send the generated OTP to the user by integrating REST API to send the SMS 3. Validate the user entered OTP against the OTP that is stored in the table and authenticate the user. 4. Create a Custom Authentication Scheme. 5. Modify the login page. Let's understand each step in more detail. Step 1: Generate the OTP and temporarily store it in a database table. First, create a table to temporarily store the OTP for the validation. Here I created a si