# Reference
client.changeTierApiV1BillingChangeTierPost({ ...params }) -> Skyvern.ChangeTierResponse
#### 📝 Description
Redirect to Stripe Portal for tier changes. Portal handles proration based on configured settings: - Upgrades: Immediate proration charge - Downgrades: Apply at end of billing period
#### 🔌 Usage
```typescript await client.changeTierApiV1BillingChangeTierPost({ tier: "free" }); ```
#### ⚙️ Parameters
**request:** `Skyvern.ChangeTierRequest`
**requestOptions:** `SkyvernClient.RequestOptions`
## ## Scripts
client.scripts.runScript(scriptId) -> unknown
#### 📝 Description
Run a script
#### 🔌 Usage
```typescript await client.scripts.runScript("s_abc123"); ```
#### ⚙️ Parameters
**scriptId:** `string` — The unique identifier of the script
**requestOptions:** `Scripts.RequestOptions`