Check Out Help

If you experience technical issues during the checkout process, the following may address the problem you are experiencing:


  • Select appropriate credit card type.
  • Do not use spaces, dashes or other characters when typing in your credit card number.
  • Please make sure the expiration date and security code are exact.
  • Once you are finished typing in your credit card information, click on the lock icon to validate your information, then click Complete Order.


If you have filled everything out correctly, but are still receiving error messages, then you may be using an older web browser that is not secure enough for making payments. You will need to update your browser in order to complete your purchase.


reCAPTCHA is a free service from Google that helps protect websites from spam and abuse. A "CAPTCHA" is a turing test to tell humans and bots apart. It is easy for humans to solve, but hard for "bots" and other malicious software to figure out.

To learn how to use it, click here.


You may see some of the following error messages while trying to checkout:

MessageNext Steps
Please enter a valid credit card number.
Invalid Visa
Invalid Mastercard
Invalid Discover
This means: The credit card number was not entered correctly.

To resolve the issue: Make sure the number entered is 16 digits and matches your credit card exactly. Do not use spaces, dashes, or any other characters.
Please enter a valid card security code.This means: The security code was not entered correctly.

To resolve the issue: Make sure the security code is entered exactly as it is on your credit card.
CAPTCHA authentication failed. Please try again.This means: The reCAPTCHA checkbox was not clicked or the challenge was not completed (if applicable).

To resolve the issue: Click the checkbox next to "I'm not a robot". You can learn more about reCAPTCHA in the section "How do I use reCAPTCHA?".


If you have a question that is not addressed in this section and need help, contact us at [email protected].