--- title: "Select the 8x8 Cost Center billing contact" slug: "select-the-8x8-cost-center-billing-contact" updated: 2026-07-23T10:06:38Z published: 2026-07-23T10:06:38Z canonical: "help.8x8.com/select-the-8x8-cost-center-billing-contact" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.8x8.com/llms.txt > Use this file to discover all available pages before exploring further. # Select the 8x8 Cost Center billing contact The **8x8 Cost Center**'s default billing contact is the primary contact for your **8x8 Cost Center** account. Administrators can view or change the **8x8 Cost Center**'s billing contact by logging in to **My 8x8** application. **To view or change the default billing contact:** 1. Go to [https://login.8x8.com](https://login.8x8.com/). 2. Enter your login credentials and click **Login**. The application panel launches. 3. Click **My 8x8**. 4. Open **Billing > Cost Center Management** from the top navigation menu. 5. Navigate to the **Cost Center Setup** tab. 6. View the **Default Billing Contact**. 7. To modify the billing contact, click ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/icon-cost-center-edit.png?sv=2026-02-06&spr=https&st=2026-11-03T22%3A40%3A33Z&se=2026-11-03T23%3A40%3A33Z&sr=c&sp=r&sig=Sca3WYl9HCwHcWiXHkviTfEoRkG3cj4RxT34hAizayE%3D) to edit. You can select another contact from the existing contacts. The primary contact is usually the name of the user or the **8x8 Cost Center**’s account holder. For any changes to your 8x8 billing contact, reach out to your account manager or support at [https://support.8x8.com](http://support.8x8.com/). ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/default-billing-contact.png?sv=2026-02-06&spr=https&st=2026-11-03T22%3A40%3A33Z&se=2026-11-03T23%3A40%3A33Z&sr=c&sp=r&sig=Sca3WYl9HCwHcWiXHkviTfEoRkG3cj4RxT34hAizayE%3D) 8. Click **Save** if you have made any changes. A green message box appears indicating you have saved successfully. ## Select the 8x8 Cost Center payment method The **8x8 Cost Center**'s default payment method is the primary option selected for payment on your **8x8 Cost Center** account. Administrators can change the **8x8 Cost Center**'s payment method by logging in to **My 8x8** application. **To view the default payment method and change the primary option:** 1. Log in to **My 8x8**. 2. Open **Billing > Cost Center Management** from the top navigation menu. 3. Navigate to the **Cost Center Setup** tab. 4. View the default **Payment Method**. The default payment method is the credit card on the **8x8 Cost Center** account saved when setting up the account. ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/default-payment-method.png?sv=2026-02-06&spr=https&st=2026-11-03T22%3A40%3A33Z&se=2026-11-03T23%3A40%3A33Z&sr=c&sp=r&sig=Sca3WYl9HCwHcWiXHkviTfEoRkG3cj4RxT34hAizayE%3D) 5. To change the default payment method or add a new credit card, go to **Billing > Payment Methods**, choose another option, and click **Make Primary** for the payment option of your choice. ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/payment-method.png?sv=2026-02-06&spr=https&st=2026-11-03T22%3A40%3A33Z&se=2026-11-03T23%3A40%3A33Z&sr=c&sp=r&sig=Sca3WYl9HCwHcWiXHkviTfEoRkG3cj4RxT34hAizayE%3D) > [!NOTE] > Note: > > You can add more payment methods by clicking **Add Payment Method** at the bottom of the page, and entering your credit card or ACH debAccess your 8x8 billing portalit authorization information.