Verify and Validate Email Addresses with MailsGuide API
Maximize email deliverability and protect your sender reputation with our email verification API.
verify the existence, validity and quality of any email address
Our API offers comprehensive, real-time email address validation to improve email delivery and open rates, reduce bouncing, block spam and more; making it a convenient solution for you to keep your communication channels running smoothly.

Email Address | support@mailsguide.com |
Autocorrect | – |
Valid Format | ![]() |
SMTP | ![]() |
MX | ![]() |
Catch-all | False |
Role | True |
Free | False |
Disposable | False |
Score | 0.8 |
{
“email”:“support@mailsguide.com”,
“autocorrect”: “”,
“valid_format”: true,
“mx_found”: true,
“smtp_check”: true,
“catch_all”: false,
“role”: true,
“free”: false,
“disposable”: false,
“score”: 0.8
}
keep your email lists accurate and trustworthy with Our Email Verification API
Powerful real-time email validation and verification
Only let high-value contacts enter your database with our email validation and verification API
Typo checking and Smart Suggestions
The API catches user input mistakes (typos) and provides corrected suggestions.
Bulk check
Check multiple email adresses at the same time.
MX And SMTP Verification
Check email andress existance and availability via SMTP and MX-records.
Email Adress Identification:
Catch-all email check
Check if the email address can receive emails for more than one email address.
Role check
The API recognizes role-based emails (support@domain.com, marketing@domain.com etc.), making it easier for you to filter them.
Disposable and free email providers check
Improve email accuracy with our daily updated provider database, distinguishing real domains from free and disposable emails.
Read more about our email adress identification API.
Check Emails and Optimize Business Results With MailsGuide API
accuracy
Our Email Verification API boasts a 99,5%+ accuracy rate, ensuring a high level of confidence in the validity of the email addresses being processed.
Performance
Send up to 30 API calls/sec and
check up to 100 000 emails at one go.
Security
The system is designed to keep all data anonymous, in line with GDPR regulations.
All data streams are securely encrypted using industry-standard HTTPS.
Easy integration
Comprehensive documentation and support, along with SDKs for various programming languages, to ensure a smooth and efficient integration process for users.