According to [Get Storage Service Properties REST API](http://msdn.microsoft.com/en-us/library/windowsazure/ee460802.aspx) the blob endpoint is the first endpoint
```
<Endpoints>
        <Endpoint>http://{storage-service-name}.blob.core.windows.net/</Endpoint>
        <Endpoint>http://{storage-service-name}.queue.core.windows.net/</Endpoint>
        <Endpoint>http://{storage-service-name}.table.core.windows.net/</Endpoint>
</Endpoints>
```