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API Documentation > SOAP API > Outbound Fax Reference > Service Endpoint

Service Endpoint

The InterFAX outbound fax Web Service WSDL may be accessed at the following endpoint:

TLS over HTTPS, port 443

https://ws.interfax.net/dfs.asmx
The WSDL for the service is available at https://ws.interfax.net/dfs.asmx?WSDL