# 2026-02-12


## API Changelog v2-20260211-09d3d6e108 vs. v2-20260212-697226c160

### `POST /{administration_id}/time_entries{format}`
- :warning: the 'time_entry/ended_at' request property type/format changed from 'string'/'' to 'string'/'date-time'
- :warning: the 'time_entry/started_at' request property type/format changed from 'string'/'' to 'string'/'date-time'
-  the 'billable' request property default value 'true' was added