---
agentTools:
  projectIndex: https://developers.ampeco.com/llms.txt
---

# Release Notes: Public API 3.18.0

1. Add `preconditioningTime` to:
   1. the response of [Personal smart charging preferences / Read](https://developers.ampeco.com/reference/personalsmartchargingpreferences)
   2. the parameters and the response of [Personal smart charging preferences / Update](https://developers.ampeco.com/reference/personalsmartchargingpreferencespost) and [Charge Points / Smart Charging / Update](https://developers.ampeco.com/reference/postchargepointsmartcharging)