FAQ AppSumo

Mailcheck provides the highest amount of the email validations AppSumo ever had, with 100,000 credits monthly limit. Currently, we allow Sumolings to verify 2M credits lifetime.

We have several solutions,

1) If you are using WordPress, you can install our plugin and set it up on your website, we're constantly updating our code, so you can fully rely on us.

2) Use our API to simply copy and paste within the website

In case you have more than 1 code, please go to settings -> click on "AppSumo" here you can activate up to 5 codes.

Yes, you can! We allow the first code to be activated by the customer, if you have more, please contact our specialists, and we will activate them on your behalf

Please note, in order to proceed through the additional security checks and switch back to the previous plan you need to contact

Unfortunately, during the campaign we are not able to increase the limits, as the solution we suggest increasing the limits in 2 weeks as the AppSumo campaign ends,

Unfortunately, during the campaign we are not able to increase the limits, as the solution we suggest increasing the limits in 2 weeks as the AppSumo campaign ends,

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