Check email

POST https://api.sendios.io/v1/email/check

API endpoint to validate the user's email address and bring it to the correct and valid format (if possible and necessary). The endpoint does NOT create a new user in the system.

In response, the request returns information about the user's email address:

Response params	Description
reason	Reason why the email is invalid (only if valid = false);
orig	Original user email;
valid	Email validity: true / false;
email	User email that will be stored;
vendor	Mailer: AOL, Google, Mail.ru, Hotmail, Yahoo!, Rambler, Apple, Ukr.net, etc.;
domain	Mailer domain;
trusted	true / false (this parameter determines whether the vendor of the email address is verified: for example, trusted = true for well-known mailers such as Google, Mail.ru, Outlook, etc. If we do not have information about the vendor of the email address, then the value trusted = false).

Reasons why the email may be invalid:

Reason value	Description
invalid	Incorrect email format;
mx_record	There is no MX record for the mail domain;
application	Email refers to the application (for example, fb.com);
system	System email (for example, [email protected]);
blacklisted	Email is in the blacklist;
mx_record_blacklisted	Email's MX record is in the blacklist;
mx_ip_blacklisted	IP address of the MX record is in the blacklist.

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MX record (from a mail exchanger) is a type of DNS record that stores a mail exchange server for a domain and is designed to route email using the SMTP protocol.

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For detailed information on the email address validation process, please refer to the Email Validation article.