Hello, I run a software where i schedule exams for students online and recently i got many bounce emails because a bunch of emails was nonexistent, i googled and i got to learn about email verification API, but i don't know how to use it. It will be great if anyone can explain it to me.
You can use the sample codes in the page below. https://www.mailboxvalidator.com/api-single-validation
You just need to sign up for the MailboxValidator free API to get your API key. https://www.mailboxvalidator.com/plans#api
Your best option is to use an email verification specialist such as Email Checker who offer industry-leading Real-Time and Batch API solutions.
They offered detailed integration documentation and dedicated support to help you get integrated and up and running right away.
You can sign up for a free account and API key here: https://login.emailchecker.com/?api