Cold-Fusion-example.cfm

//Get locaiton id
<cfset jsonString = serializejson(request.params)>
<cfset requestPath = "connect.squareup.com/v2/locations">;
<cfhttp url="#requestPath#" method="get" result="response">
	<cfhttpparam type="HEADER" name="Accept" value="application/json">
	<cfhttpparam type="HEADER" name="Content-Type" value="application/json">
	<cfhttpparam type="HEADER" name="Authorization" value="Bearer myid">
	<cfhttpparam type="body" name="params" value="#jsonString#">
</cfhttp>
<cfset v_result = deserializeJSON(response.FileContent)>
<cfset v_locationid = "#v_result.locations[1].id#">

//make charge request - see https://docs.connect.squareup.com/articles/paymentform-overview for information about card_nonce
<cfset IDKey = CreateUUID()>
<cfset request.params.card_nonce = form.nonce>
<cfset request.params.amount_money.amount = 100>
<cfset request.params.amount_money.currency = 'USD'>
<cfset request.params.idempotency_key = IDKey>
<cfset jsonString = serializejson(request.params)>
<cfset requestPath = "https://connect.squareup.com/v2/locations/<replace_locationid>/transactions">
<cfhttp url="#requestPath#" method="post" result="response">
	<cfhttpparam type="HEADER" name="Accept" value="application/json">
	<cfhttpparam type="HEADER" name="Content-Type" value="application/json">
	<cfhttpparam type="HEADER" name="Authorization" value="Bearer <replace_access_token>">
	<cfhttpparam type="body" name="params" value="#jsonString#">
</cfhttp>