example.conf

{
"pools" : [
	{
		"url" : "http://url1:8332",
		"user" : "user1",
		"pass" : "pass1"
	},
	{
		"url" : "http://url2:8344",
		"user" : "user2",
		"pass" : "pass2"
	},
	{
		"url" : "http://url3:8332",
		"user" : "user3",
		"pass" : "pass3"
	}
],

"failover-only" : true,
"no-submit-stale" : true,
"api-listen" : true,
"api-port" : "4028",
"api-allow" : "W:192.168.1.0/24,W:127.0.0.1"
}