> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vindicia.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Specifying the SOAP Address

By default, the SOAP address points to Vindicia’s production servers. Before going live with Vindicia Retain, test your integration code in a Vindicia sandbox server. If your language-specific implementation of a SOAP client does not override the SOAP address specified by the WSDL file, you can download the WSDL files from Vindicia, save them locally, and update the SOAP address to reflect the sandbox and Vindicia Subscribe SOAP API version you will use.

For example, if you wish to call in to Vindicia Subscribe on Vindicia’s Staging sandbox, update the `service` attribute in your local WSDL file as follows:

```

<service name="Select">
	<port binding="tns:SelectBinding" name="SelectPort">
		<soap:address location="https://soap.staging.us-west.vindicia.com/
			soap.pl" />
	</port>
</service>
```

**Parent topic:**[Working with WSDL Files](../topics/Working_with_WSDL_Files)


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