Our Email Verification API performs a comprehensive validation of email addresses in real-time and conveniently. Verify the email addresses coming from new user registrations, reduce email bouncing, block spam, and more.Get started
1,000 free requests monthly. No credit card required.
Check if the email address conforms to the IETF standards by using a complete syntactic email validation engine.
Check if the address is custom and linked to a business email account or if it is generic and coming from a free email service.
Check if the email address is supplied by a known disposable email address provider such as Mailinator, 10MinuteMail, GuerrillaMail, and 2,000+ more.
Check for the availability of email addresses’ corresponding domains by ensuring the existence of DNS MX records.
Check if the email address exists and can receive emails via the Simple Mail Transfer Protocol (SMTP) through email-sending emulation techniques.
Check if the email address can receive emails for more than one email address.
An email verification API, also known as an email validation API, is a means for developers and product architects to integrate email checking capabilities into existing software and applications via API calls using different programming languages.
In email marketing, it is important that the emails you send are verified, validated, and received by customers. One of the most common causes of email bouncing is sending to unverified email addresses.
By eliminating bounced emails and utilizing email verification and email validation tools, you can increase your sender score and email campaign quality.
Integrating Email Verification API in a way that matches your system requirements is easy with our readily available client libraries.Go to libraries
Ensure the validity and quality of any email address.Learn more
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API access through WhoisXMLAPI can be purchased as an annual subscription. The access pricing is based on the number of queries, which is measured monthly with per-minute rate limits. The pricing structure gives predictability to business planning and solution architecture.Learn more