How to customize the rest API’s, adding timestamp as input parameter so that we can send only newly added or modified records greater than the given input timestamp (Only Delta changes)
@sridevigara you would want to look at adding web service search handlers.
Examples you can look at this Pr
Hi Mozzy, Thank you but I am newbie to Openmrs and we are using openmrs1.0 version. What exactly I am looking is xxxxxxxx/api?q=starttime=timestamp so that I can modify the api to return only delta records of the given input timestamp
Really ?? 
. you need to upgrade to a higher version and enjoy more rich features.
yes , surely just look at the search handlers , you can be able to add any param you want