Kwork for Android

Email Address Validation and Cleansing

Kwork Overview

When it comes to keeping your business relevant to real people, the importance of email verification cannot be overlooked. A bounce rate of just 5% can get your domain permanently blacklisted.

We send out a hell of a lot of emails every month, so we benefit from rock bottom prices when it comes to email validation.

Our tools identify which emails will bounce and which are safe to send, helping you to keep your bounce rate under control.

We check for catch-all emails. This helps you maintain a high-quality database.

Our tools suggest possible modifications for misspelt contacts. Don't allow typos to influence your list quality.

We also clean your database from addresses with syntax errors, saving you a huge amount of time.

Our tools also mark all of the emails containing inactive or invalid domains that are known for spam and abuse.

What's the cost?

On average, our prices are over 50% cheaper than providers like NeverBounce, ZeroBounce and Mailgun.

If you need more emails, or if you have any questions, please get in touch.

To get started, the seller needs:

Send across your email list after you place your order. FYI - We don't store any email addresses, we don't share them, and we certainly don't sell them.

Scope of this kwork: 10 000 data units

Extra Options

  • +$40
  • +$70
Number of data units 
Money-back Guarantee
We promise an excellent order experience or
your money back. How does this work?


$20Order Details
1-day delivery
Number of data units  
Kwork Extra Options
What are extra options

Money-back Guarantee

We promise an excellent order experience or your money back.

How does this work?

If you're not satisfied, we're not satisfied. That's why you have the chance to review and approve a seller's delivery before your money changes hands.

You'll get your money back

  • instantly if you cancel within 20 minutes of placing the order
  • instantly if the seller misses the deadline and you choose to cancel the order
  • instantly if the buyer and seller mutually agree to cancel the order
  • within several hours if the order is completed poorly or incomplete.
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