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My-Addr Project contact form (email verification service)
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Lastest news:
11 Oct 2016
Processing for emails that related to domains restored but it is very slow.
30 Sep 2016
Now CSV parser will work even for files with extended data where "space" before or after email address.
13 Aug 2016
Important upgrade for descrease number of emails marked with "smtp_protocol" sub-status.
08 Aug 2016
Improved API for one-by-one verification, now you can also get "sub-status".
06 Aug 2016
Design of upload form is changed, not it must be compatible with biggest number of browsers.
26 July 2016
Fixed issue with slow parsing after yesterday's changes.
26 July 2016
Improved handling for some domains that will a little decrease % of unknown results.
14 July 2016
We changed DNS servers for better performance, pls make us know if something will going wrong.
01 July 2016
We starting to change IP of site in few hours (for better HTTPS compatibility).
24 June 2016
Fixed bug that slow down processing for "canceled" files.
04 June 2016
Statistics of most popular email providers and domains.
01 June 2016
We changed design for upload form, make us know if it working incorrect (or use ?old_form=1 for old one).
30 May 2016
We removed ":" and "tab" from list of allowed field delimiters for CSV file (bulk verification).
19 May 2016
Changes in design of bulk verification page and added pagination for more than 30 files.
17 May 2016
Parser improved for "multi data files" processing.
06 May 2016
Today service was overloaded with big number of files, so we upgrade "parsing" and now it taking files for parse faster.
25 Apr 2016
Upgraded "contact us" form, looking a little better now.
17 Apr 2016
My-Addr cluster improved with one more powerful server! Make us know if something will going wrong.
1 Apr 2016
Fixed issue when site did not work for WinXP. Pls do not use IE on WinXP or on oldest version of Windows.
31 Mar 2016
Site moved to HTTPS, pls update your bookmarks and make us know if something will going wrong.

Verify Email for Exist API service

Common information

Our API service can be used for verify emails in automatic mode, so you do not need to upload emails to our service manually.
This email verification method require basic programming knowledge and consist of HTTP request to our service.
Verification speed of email box is linked with kind of email service because some email services using 30-60 seconds delay before answer.
Verify Email for Exist API scheme
We strongly recommend to use it only for basic verification of not big amount of emails,
this verification method is not compatible with our "anti-greylisting" feature.
If you want to get better speed and use our "anti-greylisting" feature - use bulk email verification instead.


  • Verify email account on more than 95% of email services
  • Pay per result (price from 0.2$ to 0.093$ per 1000 requests)
  • Emails list safety guarantee (we will not use emails for any other cases or resale)
  • Automatic processing without manually email uploading
  • Instant verification result
  • Pay per result, so do not pay for "unknown" emails
  • You can get "sub-status" of verification (examples: domain_error, unknown_email, email_disabled, dead_server, ...)

Prices per 1000 emails verification

Our email verification rate per 1000 emails linked with number of processed entries per your account, see pricing table.

0-200,000 200,000-500,000 500,000-5,000,000 5,000,000-...
$0.2 $0.15 $0.1 $0.093

* If you want to verify more that 2,000,000 emails you can contact us and get lower rate.
** Email verification rate will not be increased, for example if you have process 5,000,000 emails - all next emails will cost $0.093 too.
*** For example, you initially pay $0.2 per 1000 emails, after you will verify 200,000 emails - your next 1000 emails will cost $0.15.

Email verification protocol

Verification based on one HTTPS request to our service.
Basic verification
Request url is:[secret_key_from_your_account]&email=[email]&ext=1
Input data for API: email
Output of API: {ok|fail|unknown}
ok - email address exist and correct
fail - email address not exist
unknown - we can't verify this email box (you do not pay for it)
Our API working not so fast - because it's taking lots of time for checking server (from 2 seconds up to 1 minute).
Incorrect emails taking more time, as usually it more than 5 seconds per email.

Getting sub-status of verification (added 08-Aug-2016)
You can get "sub-status" for each processed email if you will add "&ext=1" into API url. It will look like:[secret_key_from_your_account]&email=[email]&ext=1
Response will consist of "status" (ok, fail or unknown) and "sub-status":
There are 13 sub-statuses, prefix "t_" or "p_" can be added to sub-status, so sub-statues in report can be with/without prefix. For example: "fail|p_unknown_email", "fail|t_email_disabled", "unknown|antispam_system", "ok|ok" or "unknown|ok_for_all".
You can find more information about sub-statuses understanding here.
Notice: format can be customized by customer request.
Verify emails in two easy steps!

Few reasons about why this API better than some local script

  • Biggest part of ISP and servers do not configured for email verification
  • Our API is up to date, and always compatible with most popular email providers
  • Your server/computer will not be banned by email provider or anti-spam system
  • You do not paying money if email verification status is "unkown"
It's the cheapest offer for email verificartion API!

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