11870.com allows to query for the check-ins made by a user or in a place, and also allows applications granted by a user to create new check-ins for that user. To get the list of check-ins you must access one of the following urls:
The first url gives the check-ins made by a user and the second url gives the check-ins made in one place. In both cases the check-ins are ordered starting with the most recent. The mapping of the returned objects is the one explained in Check-in mapping.
The creation of check-ins has a REST interface. In order to make a new check-in the following url must be called with the POST method and the following parameters:
If the check-in has been succesfully made a 204 code will be returned.
Remember that this requests should be properly signed with OAuth.