To enable captcha verification in Sapaad Direct:

Step 1: Navigate to Setup > Sapaad Add-OnsSapaad Direct
Step 2: Under the Primary Settings tab, scroll down to the Enable Captcha Verification checkbox 
Step 3: Tick the Enable Captcha Verification checkbox 
Step 4: Scroll down and click the Save button

Watch our video guide below on how to enable captcha verification in Sapaad Direct: