Alexa verify ID is what you need to verify your site on Alexa.
Many times users misplace or mistakenly delete this ID
Follow the steps below to recover ID.
1. Go to alexa website http://www.alexa.com
2. Sign into your Alexa account
3. After sign in, click on "My dashboard
", you get to see where your site is listed.
4. Click on your site (The site you forgot the Alexa verify ID) and click on Site Management
This will bring a drop down menu
5. Click Claim your site
then follow other information.
Thats all you are done! If you find this helpful, please share