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My-Addr Project contact form (email verification service)
Server time: Sun 18:09 GMT
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service secured by https
Lastest news:
19 May 2016
Changes in design of bulk verification page and added pagination for more than 30 files.
17 May 2016
IMPORTANT: we replace old parser with new one and update prices.
13 May 2016
IMPORTANT: we going to improve our parser, pls test your files on new parser before we replace old one.
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.
31 Mar 2016
Now our API is available with using HTTPS connection, we strongly recommending to use secure connection to API.
25 Mar 2016
Processing of yahoo emails will more slow for next two days.
22 Mar 2016
My-Addr Project was strongly brute forced, but we find solution and now services working fine.
20 Mar 2016
Yahoo SMTP seems overloaded and returning "451 4.3.2 Internal error reading data", it causing delay in verification and some yahoo emails will be marked as "unknown".
04 Mar 2016
Added sub-statuses for 300k different smtp servers that using non standard reply.
03 Mar 2016
Finished testing of improved logic for yahoo emails, now our system will not mark yahoo email with "ok" if it is valid but disabled/discontinued.
17 Feb 2016
Added handling of situation when destination SMTP server is crashing during email verification, we will mark related emails with substatus "smtp protocol".
11 Dec 2015
Added "cancel file verification" for "API: bulk emails verification", see details on description page.
27 Nov 2015
Bulk verification: we added "Display files uploaded during last N days", now you can limit number of files in list or make your page reloading faster.
26 Nov 2015
We working on speed up our system, and now if you uploading files, our system start to parse first uploaded file but will not touch other files until first will be parsed completely.
22 Nov 2015
Starting from next week "Sat-Sun discount" will be 15%, it linked with service loading on this "Sat-Sun".
21 Nov 2015
Increased speed for files that contains emails from different email services.
20 Nov 2015
Fixed issue when message about "Sat-Sun 25% discount" was on "bulk verification" page without reason.
15 Nov 2015
We added Saturday and Sunday discount, see more details in "prices and discounts".
14 Nov 2015
Verification speed for bulk verification increased to 20%
03 Nov 2015
Fixed "Notify me when balance is low", now it working correct, you can find it in "billing settings".

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

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.
Request url is[secret_key_from_your_account]&email=[email]
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 then 5 seconds per email.
Notice: format can be customized by customer request.
Verify emails in two easy steps!

Few reasons about why this API better then 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 user email servers
  • Your server will not be banned by email server
It's the cheapest offer for email verificartion API!

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