List stores (Partner API)

Returns the total available balance for a specific store. The balance represents the sum of available balances from all wallets associated with the store. **Balance Information:** - Returns the total available balance across all wallets for the store - Available balance = total balance - blocked balance - Balance is returned in the store's currency - Amount is in cents (smallest currency unit) **Use Cases:** - Check store balance before creating transfers - Display balance information in dashboards - Monitor store financial status - Validate sufficient funds for operations **Authentication:** Requires API key headers.