K4G payments - Credit/Debit card | K4G.com Help Center

Using your Credit/Debit card (Visa, MasterCard, Amex, Maestro etc.) is a safe and convenient way to pay. Below, you will find a step-by-step guide on how to complete your payment successfully.

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How to complete a Credit/Debit card payment:

1. Select Credit/Debit card as your preferred payment method at checkout

2. If you don’t have a K4G account, please enter the email address where you would like to receive your order

3. Select Order and Pay

4. Enter your card details

Card number,
Expiration date,
CVV/CVC code (3 digits on the back),
Cardholder’s name exactly as printed on the card.

⚠️ Certain cards (like prepaid) might not be supported.

5. Accept the payment by pressing Pay now

⚠️ Our card payments are operated by PayPal, but don’t worry - you do not have to have an account with them to place an order on K4G

6. 3D Secure/Bank Authentication

Some banks will require an extra security step in a form of SMS code, app confirmation or bank login. Proceed with instructions you will be shown on the screen.

EXAMPLE

After confirmation, you will be redirected back to K4G website and a confirmation message will appear whenever the payment is successful.

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Common Issues & Mistakes

Card has been declined

Insufficient funds - Please make sure you have sufficient funds in the account to complete the purchase. Pay attention to the possible currency exchange - K4G operates in Euros.

Wrong card details entered

Before proceeding with the payment, check if the provided payment details are correct (name, number, expiry date, CVV).

In order to make a purchase, the card cannot be expired and has to be activated beforehand.

3D Secure code is invalid - If your bank requested a 2-Factor Authentication verification, ensure you have:

Entered the correct code,
The code is not expired,
Provided the correct phone number for the verification,
Completed the verification till the very end.

Browser issues:

Outdated browser - Try placing your order using a different browser or through your mobile device,

❗Cookies disabled - Please enable cookies (or reset them if needed) to allow the payment to process correctly,

❗Ad blocker interfering - Disable any ad blocker temporarily to ensure the payment goes through without issues.

Internet connection was interrupted during checkout,
Payment has not been completed because the website timed out, or the tab/browser was closed before finishing,

❗Pending payment - Sometimes payments may remain “Pending" or “Processing” for a few hours (or up to 1–2 business days in rare cases). Check PLACEHOLDER for more details regarding the issue.

In case of the problems below, please contact your bank directly.

Card is not enabled for online or international payments,
Daily/monthly spending limit reached,
Card is blocked by the bank for security reasons.

Please remember, you can always try to place an order with the use of a different card or payment method.

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Error still occurring?

Have you encountered a payment problem regarding K4G site, not the provider? Take a full screenshot showcasing the issue and reach out to us ⬇️

If you have any further questions, feel free to contact our Customer Service via 24/7 LiveChat or by creating a support ticket by e-mailing us at [email protected]

K4G payments - Credit/Debit card