Abstract Email Validation

Abstract Email Validation API is a web service that helps you verify the email addresses of your customers. It does this by checking the validity of email addresses against a variety of sources, including DNS servers and blacklists. As a result, you can be sure that your customer data is up-to-date and accurate.The Abstract Email Validation API is a RESTful API that uses HTTP requests to verify email addresses. You can use the API to verify a single email address, or you can verify a list of email addresses. In addition, you can specify the level of verification that you want to perform. The Abstract Email Validation API supports the following verification levels:-Basic verification: Checks the email address against a DNS server.-Advanced verification: Checks the email address against a DNS server and a blacklist.-Double verification: Checks the email address against a DNS server and a blacklist, and compares the results to the email address's local directory.The Abstract Email Validation API is free to use, and there are no restrictions on the number of API requests that you can make.