I think this is what your looking for:
Sample Call:
exec spSelect_CallWebPage 'http://www.google.com'
CODE:
CREATE PROCEDURE [dbo].[spSelect_CallWebPage]
(@URL varchar(1000))
AS
DECLARE @vPointer INT,
@vResponseText VARCHAR(8000),
@vStatus INT,
@vStatusText VARCHAR(200)
EXEC sp_OACreate 'WinHttp.WinHttpRequest.5.1', @vPointer OUTPUT
EXEC sp_OAMethod @vPointer, 'open',NULL, 'GET', @URL,0
EXEC sp_OAMethod @vPointer, 'send'
EXEC sp_OAMethod...