Email Address Verification

Focus your sales and marketing efforts on quality, confirmed email addresses. Improve the ROI, deliverability, and engagement of your campaigns with CheckMail.

Sign Up Sign up today and receive 100 free verifications.
No credit card required.
Email Verification API
1{
2   "result": "undeliverable",
3   "reason": "invalid_domain",
5   "email": "test@hotmial.com",
6   "did_you_mean": "test@hotmail.com",
7   "localpart": "test",
8   "domain": "hotmail.com",
9   "country_code": "US",
10   "country_name": "United States",
11   "free": true,
12   "disposable": false,
13   "social_media": false,
14   "accept_all": false,
15   "role": true,
17}

CheckMail Demo

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Global Presence for the Fastest Response Times

We maintain multiple global instances of our verification service, to ensure the fastest response times.

We regularly add capacity in new or existing regions throughout the world.
Contact us if you're looking for service in a region not listed above.

Email List Verification

Quickly and accurately verify your email lists. Simply drag-and-drop your Excel or CSV documents and we’ll clean, sort, and verify your list for you.

Easily discard invalid or low-quality email addresses, so you can focus your sales and marketing efforts on quality, confirmed leads.

How it Works
Email Verification API
1{
2   "result": "undeliverable",
3   "reason": "invalid_domain",
5   "email": "test@hotmial.com",
6   "did_you_mean": "test@hotmail.com",
7   "localpart": "test",
8   "domain": "hotmail.com",
9   "country_code": "US",
10   "country_name": "United States",
11   "free": true,
12   "disposable": false,
13   "social_media": false,
14   "accept_all": false,
15   "role": true,
17}
Invalid Email Address

Real-Time API

Avoid spending time manually sorting or cleaning your captured leads, by Integrating the CheckMail API into your existing lead-capture or account sign up process:

  • Discard invalid addresses at the point of entry.
  • Automatically correct common misspelled domains.
  • Filter out low-quality email addresses.

Get up and running quickly with the CheckMail API libraries for Node.js, PHP, Python, and Ruby.

Learn More

Why Choose CheckMail

CheckMail is trusted by companies in over 45 countries around the world.

Fast Response Times

We maintain multiple instances of the CheckMail service throughout the world, to ensure the fastest response times possible to our API.

International Support

CheckMail has full IDN support for email addresses and domains. Whether the address is john@example.com, jöns@example.com, or even 若望@例如.中国, CheckMail can verify it.

Cloud-Based + SaaS Pricing

No software to install, and no upgrade or licensing fees. You’re always using the newest version of the CheckMail product, all for a competitive pay-per-use price, which scales with usage.

Easy API Integration

Easily integrate CheckMail into your existing lead generation or account sign up process, by using one of our ready-to-use API libraries, available for PHP, Node.js, Ruby, and Python.

Increase Conversion Rates

Increase conversation rates and the ROI of your campaigns, by focusing your efforts on leads that have been confirmed to be real, working email addresses.

Protect Your Reputation

Avoid needlessly sending emails to bad, broken, or misspelled addresses, which reduces your exposure to Spamtraps and black lists.

Flexible Pricing with No Surprises

Get 100 FREE verification credits when you sign up. Additional credits start at less than a penny.

2,500

verifications

$22.00

5,000

verifications

$40.00

10,000

verifications

$60.00

25,000

verifications

$130.00

50,000

verifications

$240.00

100,000

verifications

$380.00

250,000

verifications

$750.00

500,000

verifications

$1,000.00

Easy to Understand SaaS Pricing

Get verification credits for or /check.
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We Want to Hear from You

What’s on your mind? Contact us and we'll be in touch with you within 24 hours.

Sales Inquiries

sales@checkmail.io

Media Requests

media@checkmail.io

General Information

info@checkmail.io