# Usage-Based Billing


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## How it works

- **Usage-based billing**: You pay for the resources your apps consume
- **Required subscription**: $5/month gives you $5 in credits
- **Additional credits**: When you need more than $5/month, you prepay
  for extra credits
- **Monthly reset**: Subscription credits reset to $5 each month;
  prepaid credits roll over
- **Payment priority**: Subscription credits are used first, then
  prepaid credits
- **Daily billing**: Costs are calculated and deducted from your credits
  once per day
- **Automatic protection**: Apps stop if both credit balances go
  negative or your subscription becomes inactive

## Viewing your usage and costs

### Usage dashboard

View detailed usage for each app in your
[dashboard](https://pla.sh/dashboard). Click “View usage” to see daily
breakdowns of:

- vCPU core minutes
- Memory GB minutes  
- Disk GB minutes
- Egress GB transferred
- Daily costs

<figure>
<img src="usage_dashboard.png" alt="Usage Dashboard" />
<figcaption aria-hidden="true">Usage Dashboard</figcaption>
</figure>

### Billing center

Monitor your finances in the [billing center](https://pla.sh/billing):

- View your account balance
- Manage your subscription
- Purchase additional prepaid credits
- View your payment history and billing settings

<figure>
<img src="billing_center.png" alt="Billing Center" />
<figcaption aria-hidden="true">Billing Center</figcaption>
</figure>

### Account protection

Your apps automatically stop if:

- Both credit balances go negative, OR
- Your subscription becomes inactive

This prevents unexpected charges and keeps you in control of costs.

## What we track and charge for

Plash monitors four types of resource usage and charges based on actual
consumption:

- **CPU:** $0.028 per vCPU core-hour: Processing power your app uses
- **Memory:** $0.014 per GB-hour: RAM your app uses while running
- **Storage:** $0.15 per GB-month: Disk space your app files take up
- **Egress:** $0.02 per GB: Data your app sends to users (downloads, web
  pages, API responses)

Our pricing is setup in a way that most apps should stay well within the
$5/month credit allowance.

## Questions or issues?

If you have questions about billing or run into any issues with your
account, email us at support@answer.ai and we’ll help you out.