The most comprehensive API for real-time and bulk validation
Whether you're a developer who is writing an application that requires the registration of new valid users or just a business with a large mailing list, DeBounce can handle the task of verifying the validity of your emails.
Email is the main means of contact between your business and the customer or client. DeBounce can help you reach your audience and keep your email sender reputation intact. We provide full end-to-end services to suit all of your email address validation needs.
Remove invalid and hard bounce email addresses from your database.
Get an avatar URL associated with any email address you provide. Avatars are obtained from multiple online resources.
The address is syntactically verified to ensure that it has a valid format according to RFC standards.
Bulk Email Validation
Upload your email lists using the API for validation and download the results.
The address is DNS verified to determine whether or not the domain exists and that there is a mail server attached to receive incoming mail.
The address is filtered against a database of role-based mailboxes which is constantly updated.
Get a "Do You Mean" suggestion if a misspelled email is provided. The correction of major email provider is available.
The address is filtered against a database of disposable address providers which is constantly updated.
The address is filtered against a database of known spam-traps and honeypots which is constantly updated.
The address is filtered against a database of known habitual complainers which is constantly updated.
The address is filtered against a database of free address providers which is constantly updated.
The address is verified on the receiving mail server to determine that the mailbox exists and is able to accept mail.
Which Checks Does Email Validator Perform?
DeBounce uses a multi-layer checking process, with every single email going through the following testing and cleaning steps:
DNS validation, including MX record lookup
Disposable email address detection
Misspelled domain detection to prevent Typosquatting
Syntax verification (IETF/RFC standard conformance)
Temporary unavailability detection
Mailbox existence checking
SMTP connection and availability checking
Frequently Asked Questions
Read the list below for our frequently asked questions. If your question is not listed here, then don’t hesitate to contact us. We'd love to hear from you!
We are constantly monitoring all of our validation servers, including API. Currently, DeBounce API's uptime guarantee is 99.8% - we never go below this. You can monitor all DeBounce servers and their up-times via this status page.