Ano, můžete tvořit takto
CREATE PROCEDURE CALLWEBSERVICE(@Para1 ,@Para2)
AS
BEGIN
Declare @Object as Int;
Declare @ResponseText as Varchar(8000);
Exec sp_OACreate 'MSXML2.XMLHTTP', @Object OUT;
Exec sp_OAMethod @Object, 'open', NULL, 'get', 'http://www.webservicex.com/stockquote.asmx/GetQuote?symbol=MSFT','false'
Exec sp_OAMethod @Object, 'send'
Exec sp_OAMethod @Object, 'responseText', @ResponseText OUTPUT
Select @ResponseText
Exec sp_OADestroy @Object
END