Terms of Use

Last Updated:
January 19, 2019

The following Terms and Conditions govern all use of the hubuco.com website and all of its subdomains.

"Terms and Conditions": Terms of Use, Anti-Spam Policy, Privacy Policy,Cookie Policy and Data Processing Agreement published on www.hubuco.com.

"HuBuCo": HUBUCO Limited, a company registered in England and Wales, Office 1 Unit C1/B30 Brunel Road, Manor Trading Estate, Benfleet, Essex, England, SS7 4PS, UnitedKingdom.

"Website": hubuco.com and any of its subdomains.

"API": Application programming interface to connect HuBuCo's services with other websites, servers or applications.

"Service" or "Services": all content, services and products available at, or through the Website, including, but not limited to, verifying email addresses using HuBuCo's website or API or receiving advice from any colleagues working at HuBuCo.

"User": an individual or company that creates an account on HuBuCo's Website.

The Service and Website is operated by HuBuCo. The primary Service HuBuCo provides is email verification.


  • You must be at least 18 years of age to use HuBuCo's Services.
  • You must provide true and complete contact information in your account and billing details.
  • You must agree to our Terms and Conditions and abide by them.
  • You must not use our services for verifying purchased/rented email lists, or email lists collected from the internet.
  • You must not use our services for verifying made up/scraped email addresses.
  • You must not use any other email verification service.
  • You must not create multiple user accounts.

By using our Services, you warrant that you meet the above eligibility requirements. HuBuCo reserves the right to suspend or delete accounts of any users for any reason disclosed or undisclosed, and to change these eligibility requirements at any time.

Security, Accounts and Passwords

If you create an online account on the Website, you are responsible for maintaining the security of your account and the API key assigned to you. It is up to you as the account owner to keep your password and API key confidential.You are fully responsible for all activities that occur under the account andAPI key, and any other actions taken in connection with your account, or the use of the Website or API by that account or API key.

You will contact HuBuCo immediately if you suspect a breach of security regarding your account.

Payments and Credits

For email verification you can pay with credits purchased on the Website. Payments for bulk or monthly credits must be made upfront and they are not refundable. 1email verification requires 1 credit. You can follow your credit changes in your credit log for up to 60 days.

Bulk Credits: You may purchase any number of bulk credits any time. Bulk credits never expire. You can pay for bulk credits by card, with PayPal account or you may pay with bank transfer to our British bank account.

Monthly Plans: You may subscribe to any available monthly plans. They are monthly subscriptions, you will be charged on a monthly basis for your plan.Your monthly credits are renewed once a month and they are valid for one month only. Upon renewal any unused monthly credits are removed from your account.There is no minimum term, you can upgrade, downgrade or cancel your plan anytime. You can cancel your plan any time, however amounts already paid are not refundable. You can pay for monthly plans by card.

Refunds and Disputes

HuBuCo offers a free account with 100 free credits available every day. This is a great zero risk way for a comprehensive free trial. We encourage our customers to use these free credits to try our system before purchasing bulk or monthly credits. By using HuBuCo's Services you agree that payments made on the Website are not refundable under any circumstances with the exception of our “100%Money Back Guarantee”.

99%+ Email Delivery Rate, Guaranteed!

The”99%+ Email Delivery Rate Guaranteed” guide is available for all of our users who had purchased any bulk or monthly credits.

If you follow our advice outlined in the document called “99%+ Email Delivery RateGuaranteed” and use HuBuCo’s online email verification service to verify email addresses, you can achieve 99%+ email delivery rate. If you have followed all steps and advice in the document and still had higher than 1% bounce rate, one of HuBuCo’s support colleagues will investigate your bounce rate, and if any improvement areas found, will advise how to further improve your email delivery rate.

HuBuCo provides this investigation for free as your guarantee. During investigationHuBuCo’s colleagues might ask you to export and forward bounce reports, send test emails or the exact copy of last used email campaign to any test email addresses, or might need to login in to your email sending application. You are expected to fully cooperate during this investigation.

ShouldHuBuCo’s colleague find any hard bounces during the investigation, this will be further investigated by developers and the information will be used to further improve HuBuCo’s email verification application.

You explicitly agree that you use HuBuCo’s services and follow HuBuCo’s colleagues’ advice at your own risk. Under no circumstances is HuBuCo, nor its owners, employees, contractors liable or responsible for your email delivery rate. You are not eligible for a refund under 99%+ email delivery rate guarantee.

100% Money Back Guarantee

If you send an email campaign to the email addresses, that you had verified byHuBuCo within 7 days of verification and your hard bounce rate is higher than 4% we refund your last payment.

MoneyBack Guarantee applies for email address verifications under the following conditions only:

  • Emails must be verified usingHuBuCo's website, uploading your file on the following page: https://app.hubuco.com/email_verify
  • Money Back Guarantee doesn't apply for verifications completed using HuBuCo's API or One By One, because HuBuCo doesn't keep a record of these verifications.
  • Your hard bounce rate is higher than4%. Hard bounces occur when a recipient's email address does not exist.
  • Does not apply for soft bounces.Soft bounces are down to your personal sending history, settings, server, IP reputation and email content.
  • Only applies for emails sent to email addresses returned as 'OK' by HuBuCo's verification system.
  • You must send an email to each verified 'OK' email address within 7 days of verification.
  • The % of hard bounces will be calculated:
  • * hard bounces / OK emails * 100
  • * OK emails: all emails returned asOK by HuBuCo since last payment
  • * hard bounces: emails that had hard bounces that were marked as OK by HuBuCo since last payment
  • You must use a professional 3rd party email sender for sending your emails.
  • Only email providers that provide detailed reports of your soft and hard bounces are accepted. If a detailed breakdown of your bounced emails is not available our Money Back Guarantee does not apply.
  • You must allow us to log in to your email sender account to review your results, export reports and analyse bounces.

General Rules

You are only allowed to have one HuBuCo account. If HuBuCo is under the impression that you have created multiple accounts, we reserve the right to suspend any or all of them.

HuBuCo will verify the email addresses as you provide them. HuBuCo will not make any alterations or modifications to your data.

HuBuCo's email verification service may be used for opt-in subscribers only.

The failure of HuBuCo to enforce any provision of these Terms and Conditions shall not constitute or be construed as a waiver of such provision or of the right to enforce it at a later time.

Disclaimer of Warranties

TheService is provided “as is” and “as available”. Neither HuBuCo, nor its owners, employees, contractors, suppliers and licencors, make any warranty that theService will meet your requirements, be error free, accurate, reliable, compatible, timely or fast enough or that access thereto will be continuous and uninterrupted.

You understand that you utilise the API, or otherwise obtain content or services through, this website and API at your own discretion and risk.

HuBuCo does not warrant that the information on the website, or the information or advice provided by HuBuCo’s colleagues is complete, accurate, non-misleading or true.

In the event HuBuCo is unable to verify an email address, HuBuCo will return the result: "unknown". Credits deducted for unknown emails are automatically returned to the user's account for later use. The number or the level of unknown results does not qualify for refund of payment under any circumstances.

Limitation of Liability

You agree to accept full responsibility of any loss resulting from the use ofHuBuCo’s website, services, tools, downloads, advices or any other use of theServices. You agree to use the Services and follow advices at your own risk.HuBuCo does not take responsibility for any delays, downtime, errors, inconsistent or inaccurate results.

In no event will HuBuCo; nor its owners, employees, contractors, suppliers and licencors, be liable with respect to any subject matter of this agreement under any contract, negligence, strict liability or other legal or equitable theory for: (i) any special, incidental or consequential damages; (ii) the cost of procurement or substitute products or services; (iii) for interruption of use or loss or corruption of data; or (iv) for any amounts that exceed US$100.00.


HuBuCo has the right to, at HuBuCo's sole discretion

  • refuse to verify any emails that, in HuBuCo's opinion, violates the Terms and Conditions or is in any way harmful or objectionable, or
  • terminate or deny access to and use of the Service and API to any individual or entity for any reason, or
  • terminate any or all of its Services without notice. In case Service is terminated, user accounts are not eligible for any refund for any unused bulk or monthly credits.

Any account that has outstanding amount to pay to HuBuCo may be suspended 30 days after the amount was due by.

If your account is suspended, creating another account will automatically resulting suspension whether or not you have made a payment on any of the accounts.Any account which shows no activity for more than 12 months may be considered inactive. If an account is considered inactive, the account may be deleted and all data associated with that account may be permanently erased.

Any account that has been suspended or deleted may loose all unused bulk or monthly credits. If your account is suspended or deleted, or if the Service is terminated you will not be eligible for refund for any payments made in the past, regardless of the number of bulk or monthly credits left on your account.


HuBuCo reserves the right, at its sole discretion, to modify or replace any part of its Terms and Conditions. It is your responsibility to review HuBuCo's Terms and Conditions periodically for changes. Any changes made to HuBuCo’s Terms ofUse, Anti-Spam Policy, Privacy Policy, Cookie Policy and Data ProcessingAgreement go into effect immediately and your continued use of or access to theService and API following the posting of any changes to this Terms andConditions constitutes acceptance of those changes.

HuBuCo reserves the right to change, suspend or remove (temporarily or permanently)its website, or to terminate its Services without notice, and you confirm thatHuBuCo, nor its owners shall not be liable to you for any such change or removal, and you also confirm that you are not eligible for refund under any circumstances for any payments made in the past, regardless of the number of bulk or monthly credits left on your account.


TheTerms and Conditions shall be governed by and construed in accordance with the law of England and Wales. This Agreement, including the policies included in our Terms of Use, Anti-Spam Policy, Privacy Policy, Cookie Policy and DataProcessing Agreement constitutes the entire agreement between HuBuCo and which you, the user have agreed to concerning the subject matter herein and pertaining to services as outlined on the website hubuco.com.