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[Home](./index.md) &gt; [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) &gt; [UserOptions](./ibm-cloud-sdk-core.useroptions.md) &gt; [serviceUrl](./ibm-cloud-sdk-core.useroptions.serviceurl.md)

## UserOptions.serviceUrl property

The base url to use when contacting the service. The base url may differ between IBM Cloud regions.

**Signature:**

```typescript
serviceUrl?: string;
```