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<cfset variables.ytapikey = "insert API key here"> 
<!--- I think this value is hidden from external users. Make certain of it, prior to live release --->
<cfset variables.ytvidID = "insert videoID here" >
  
<!--- 
The following code displays all the data available through this API method data for this specified (presumably, valid) videoID#. 

<cfhttp method="get" url="https://www.googleapis.com/youtube/v3/videos?id=#variables.ytvidid#&key=#variables.ytapikey#&part=snippet" >  
<cfdump var="#deserializeJSON(cfhttp.fileContent)#">
Ideally, you would tweak that "&fields={ + value }" (below), specifying which data is needed. Why? To minimizing the limited data usage allotted to your API.
--->
 
<cfhttp method="get" url="https://www.googleapis.com/youtube/v3/videos?id=#variables.ytvidid#&key=#variables.ytapikey#&part=snippet&fields=items/snippet/title" > 
<cfset getVidDetails = deserializeJSON(cfhttp.fileContent) />

<cfif getVidDetails.error.code EQ "400" >  
  <p>Bad Request Error - The account set-up with the API key you specified has issues.</p>
  <!--- cfdump var="#getVidDetails#"---> 
<cfelseif arrayLen(getVidDetails.items) NEQ 1 >
  <p>The specified videoID () is not valid.</p>
<cfelse>
  <p>Title for www.youtube.com/watch/?v=#variables.ytvidID# = <strong>#getVidDetails.items[1].snippet.title#</strong></p> 
</cfif>