Failover API can be queried using both JSON and XML.

JSON

Query current list of failovers (since last reset):

http://easymail.com/publicinterface/failovers.json?account=ABC12345

Query current list of failovers (since last reset) and reset(clear) list:

http://easymail.com/publicinterface/failovers.json?_method=PUT&account=ABC12345&reset=true

JSON Response

[{
	"epid": " Q9VGGCHHM2Q7D68MJVMR9TDTGPQ4",
	"customer_reference": "20924",
	"dbid": 80712339,
	"failover_reason": "5.1.1: SMTP; 550 Requested action not taken: mailbox unavailable",
	"idx": 1,
	"failover_posix_ts": 1487720980,
	"failover_time": "22/02/2017 10:49:40",
	"transport": ["EMAIL",
	"POST"]
}]

XML

Query current list of failovers (since last reset):

http://easymail.com/publicinterface/failovers.xml?account=ABC12345

Query current list of failovers (since last reset) and reset(clear) list:

http://easymail.com/publicinterface/failovers.xml?_method=PUT&account=ABC12345&reset=true

Authentication is available using digest auth. Only enabled on request.

 
XML Response

<?xml version="1.0" encoding="UTF-8"?>
<ListFailoversResult>
	<FailoverLetter>
		<CustomerReference>20924</CustomerReference>
		<Reason>5.1.1: SMTP; 550 Requested action not taken: mailbox unavailable </Reason>
		<EPID>X2PPTRGDC7B89W7PXQDQ78DKHXVK</EPID>
		<index>1</index>
		<FailoverTime>24/08/2012 09:36:05</FailoverTime>
		<BingDBID>14376202</BingDBID>
		<FailoverPosixTS>1345764965</FailoverPosixTS>
	</FailoverLetter>
</ListFailoversResult>