An email validator API is a tool that can be embedded into an online form, website or application to ensure that the entered email address is valid. This can help prevent fraudulent sign-ups, improve the quality of email lists and increase deliverability rates. A clean list means more emails make it to the inbox, which can lead to a higher ROI on marketing campaigns.

The best email validation API can automatically verify the integrity of an email address on the fly, helping to cut down on bounces and keep a business’s email program free from invalid addresses. This can help reduce spam and spoofing, which may impact deliverability rates and reputation. There are many different email validation API tools available on the market, and it’s important to choose one that meets your unique needs.

Free Email Verifier Test Online: Ensure Email Validity

Some email verification services can identify common typos such as misspellings, or format errors, whereas others use more in-depth verification processes including DNS checks, SMTP verification and mailbox simulation. It is recommended to use a combination of both methods to help minimize false positives and ensure that your email addresses are validated.

Clearout’s email validation API can be embedded into an online form to check email addresses as they are submitted. It can also be used in real time to catch errors before they cause problems, which can be especially helpful for businesses with high volumes of incoming leads and contacts. It can be used for both individual addresses and entire CSV files, and is available with a free trial and various paid tiers.