# [MailboxValidator](https://www.mailboxvalidator.com/api-email-free) ## __Description__ Validate email address to improve deliverability ## __Example Request__ * Curl ``` curl https://api.mailboxvalidator.com/v1/email/free?email=test@test.com&key={{token}} ``` * Raw ``` GET /v1/email/free?email=test@test.com&key={{token}} HTTP/1.1 Host: api.mailboxvalidator.com ``` ## __Response__ * Success ``` { "email_address":"test@test.com", "is_free":"False", "credits_available":999, "error_code":"", "error_message":"" } ``` * Error ``` { "email_address":"", "is_free":"", "credits_available":"", "error_code":"101", "error_message":"API key not found." } ``` ## __Regex__ ``` [A-Z0-9]{20} ``` ## __Example API key__ ``` 1MA2C3BBBASAAAA6AA77 ```