This gist will POST to StackMob and create a new schema if it does not exist and post two messages. Based on an implementation of Harry Klein´s (http://oauth.riaforge.org/) oAuth for ColdFusion. It uses oAuth 1.0 for signing requests. Tested on Railo Server 4.0.2, with PostgreSQL on OSX 10.7.5. For this to work you do not need a database. If you…

postMessage.cfm

<cfprocessingdirective pageencoding="utf-8" />
<!--- cfcontent is also important for unicode --->
<cfcontent type="text/html charset=utf-8"> 
<!--- set up the parameters --->
<cfset sConsumerKey = 'yourPublickey'> <!--- Paste your dev or prod keys here --->
<cfset sConsumerSecret = 'youPrivatekey'> <!--- Paste your dev or prod keys here --->     
<cfset OAUTH_VERIFIER = '' /> <!--- You get back these when doing oauth registration --->
<cfset token = '' /> <!--- You get back these when doing oauth registrationt --->
<cfset tokenSecret = '' /> <!--- You get back these when doing oauth registration --->

<!--- set up the required objects including signature method--->
<cfset oReqSigMethodSHA = CreateObject("component", "oauth.oauthsignaturemethod_hmac_sha1")>
<cfset oToken = CreateObject("component", "oauth.oauthtoken").init(sKey = token, sSecret = tokenSecret)>
<cfset oConsumer = CreateObject("component", "oauth.oauthconsumer").init(sKey = sConsumerKey, sSecret = sConsumerSecret)>

<cfset oReq = CreateObject("component", "oauth.oauthrequest").fromConsumerAndToken(
    oConsumer = oConsumer,
    oToken = oToken,
    sHttpMethod = "POST",
    sHttpURL = 'https://api.stackmob.com/chatmessage')> <!--- This will create the schema if it´s not exists! --->
   
<cfset oReq.signRequest(
    oSignatureMethod = oReqSigMethodSHA,
    oConsumer = oConsumer,
    oToken = oToken)> <!--- Sign the request --->

<!--- Tested with some crap, to see that utf-8 works! --->
<cfset theMess = serializeJson([
    {
        "message": "hello world! åäö ÅÄÖ",
        "author": "johndoeÅÖ"
    },
    {
        "message": "goodbye world!",
        "author": "johndoe€"
    }
])>

<cfhttp url="#oReq.GETNORMALIZEDHTTPURL()#" method="POST" charset="utf-8">
<cfhttpparam encoded="no" type="CGI" name="accept" value="application/vnd.stackmob+json; version=0">
<cfhttpparam type="header" name="authorization" value="#oReq.TOHEADER()#" />
<cfhttpparam type="body" value="#theMess#" encoded="no">
</cfhttp>

<cfdump var="#cfhttp#" />