This login method allows you to authenticate with the web service API as a developer. A SessionId will be returned and placed in a cookie, if cookies are enabled. If cookies are enabled, then the sessionId in the cookie will be read allowing access to the rest of the API. If cookies are not enabled, then the sessionId will need to be passed on the query string of each request.
Request GET
http://wsdev.onegreatfamily.com/v11.02/Developer.svc/Login?developerId=myid&password=gl4q23cwofpshi55sg1dvc3o
Success Response Payload
<Result xmlns="http://schemas.datacontract.org/2004/07/OGF.WS.Data">
<Code>0</Code>
<Message>Success</Message>
<Value i:type="a:string" xmlns:a="http://www.w3.org/2001/XMLSchema">jlo3gum1ncwxmdqtr2xxu02d</Value>
</Result>
Failed Response Payload
<Result xmlns="http://schemas.datacontract.org/2004/07/OGF.WS.Data">
<Code>27005</Code>
<Message>Invalid login credentials.</Message>
</Result>
Fault Response Payload
<RestFault xmlns="http://schemas.datacontract.org/2004/07/OGF.WS.Data">
<ErrorCode>551</ErrorCode>
<FaultMessage>An unhandled exception has occurred</FaultMessage>
</RestFault>