### Create Invoice with TypeScript SDK

Source: https://spaceinvoices.com/docs/croatia-fina

Use the SpaceInvoices TypeScript SDK to create an invoice. Ensure you have the correct sandbox API key and entity ID. The SDK handles automatic fiscalization upon finalization.

```typescript
import SpaceInvoices from '@spaceinvoices/js-sdk';

const sdk = new SpaceInvoices('sk_sandbox_...');

const invoice = await sdk.invoices.createInvoice({
  x_entity_id: 'ent_lunar_base_alpha',
  data: {
    items: [
      {
        name: 'Satellite Deployment Mission',
        quantity: 1,
        price: 45000,
        taxes: [{ rate: 22 }]
      }
    ]
  }
});
```

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