> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/ReservationService).

Service for reservation related operations. This service is not publicly available.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/services/reservation_service.proto)
The following methods are available for this service:

- [BookCampaigns](https://developers.google.com/google-ads/api/reference/rpc/v23/ReservationService/BookCampaigns.md.txt)
- [QuoteCampaigns](https://developers.google.com/google-ads/api/reference/rpc/v23/ReservationService/QuoteCampaigns.md.txt)