Dates
All date and time values are displayed as integer numbers and represent the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT), like PHP time() function. The date/time property type in the specification is specified as “Time”, the actual JSON type is “Number”.
Case Sensitive Parameters
The field and parameter names in requests are case sensitive.
HTTP Response Code
The following HTTP codes are used by the API to respond to requests:
200 : request successful
201 : the object has been created
204 : the object has been destroyed
400 : any kind of logical error (missing parameters, invalid operation, constraint violation etc.)
403 : access is forbidden (authentication or authorization failure)
404 : object not found
405 : HTTP method not allowed (for example if you try to update a read-only object)
411 : length Required (if the request body is empty for methods that require it)
422 : unprocessable entity (missing parameters, invalid operation, constraint violation etc.)
500 : internal server error