# BillingPlanUnitPrice

> Billing is currently in Beta and its APIs are experimental and may undergo breaking changes. To mitigate potential disruptions, we recommend [pinning](https://clerk.com/docs/pinning.md?sdk=vue) your SDK and `clerk-js` package versions.

The `BillingPlanUnitPrice` type represents unit pricing for a specific unit type (for example, seats) on a plan.

## Properties

| Property                           | Type                                                                                                                             | Description                                        |
| ---------------------------------- | -------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------- |
| <a id="blocksize"></a> `blockSize` | `number`                                                                                                                         | Number of units represented by one billable block. |
| <a id="name"></a> `name`           | `string`                                                                                                                         | The unit name, for example `seats`.                |
| <a id="tiers"></a> `tiers`         | <code><a href="https://clerk.com/docs/vue/reference/types/billing-plan-unit-price-tier.md">BillingPlanUnitPriceTier</a>[]</code> | Tiers that define how each block range is priced.  |

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