We are integrating sf wit h boomi.I have generated partner wsdl and given to boomi team but they want to access it by using url. they can not consume file.how can boomi direcly access partner wsdl?
Boomi has salesforce connector. Why do you want to consume partner wsdl ?
As you have found, you need to provide credentials to access the Salesforce WSDLs. If Boomi insists on getting the WSDL from a URL you might find it easiest to download the WSDL yourself and then host it on a file sharing site of your choice. It will still be complete with the endpoint URL from the instance that generated it.