# Billing
You can upgrade or downgrade your plan at any time using the Settings->Billing page.
Affinity accepts credit cards and uses Stripe to manage payments and subscriptions. You will be billed for each active seat you are using.
The billing page will show you details of prior invoices as well as your current plan details.
Please contact us if you have any questions or which to explore enterprise options.
## Upgrading the Free Plan
To upgrade the free plan, navigate to the billing panel in settings and then:
1. Add a valid credit/debit card as a payment method
2. Click subscribe to the Pro Plan
### Editing Billing Contact
You can edit the billing contact who will receive the automated invoices. This setting can be changed at any time. Navigate to the Settings page followed by the Billing tab.
Underneath Payment Method you will find a panel where you can edit the email contact of your billing manager.
Example of Editing the Billing Contact. Click 'save' to finalize the change.
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