Endpoint usage and cost statistics

<Warning> You can only retrieve data traffic costs for organizations without multi-inclusive volumes. </Warning> Retrieves endpoint usage and cost statistics for a given ID. Usage statistics are sorted by `data` and `sms`. Returns statistics from the following periods: - `last_month`: Previous billing month, from the first to last day (for example, April 1-30, 2023, when you send the request sometime in May 2023). - `current_month`: Current month, with statistics calculated up to and including the date requested (for example, May 1-8, 2023, when you sent the request on May 8, 2023). - `last_hour`: Previous 60 minutes, accumulated per minute and organized by data or SMS received by the device (`rx`) and transmitted by the device (`tx`). <Info> `last_month` and `current_month` are only included in the responses if traffic exists. </Info>