Email Validation PHP API

A well-crafted email validation script can prevent your business from wasting time and money on emails that are unlikely to deliver or even be valid. Invalid or mistyped email addresses can result in missed opportunities, poor data quality, and bad publicity.

Using an guide to validate email addresses using PHP allows you to verify the validity of email addresses at multiple points in your software stack and ensure that you have valid and reliable contact data. Email address validation APIs use a regularly updated provider database to distinguish between free, disposable email accounts and established legitimate domains. They also offer advanced data lookups that go beyond simple format validation and verify whether an email address is real or a spam trap.

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Email validation uses pattern matching to determine the validity of an email address. Pattern matching is typically performed with regular expressions (regex) which are flexible and offer a wide range of options. Regular expressions allow you to enforce custom rules for email IDs such as requiring that an email ID not contain the underscore ‘_’ character. However, writing a regex that validates an email address correctly is challenging and may result in false positives.

An email validation PHP API can save you time and effort by performing all of these checks at once. Email validation APIs can also help you reduce the load on your local systems by offloading the work to a remote server. Many of these services provide additional functionality such as identifying if an email is a spam trap, if it is a disposable address or if it has been blacklisted.